Generated by Cython 3.1.1

Yellow lines hint at Python interaction.
Click on a line that starts with a "+" to see the C code that Cython generated for it.

Raw output: dataframe.pxi

 0001: # See: dataframe.md for technical overview.
 0002: 
 0003: # Auto-flush settings.
 0004: # The individual `interval`, `row_count` and `byte_count`
 0005: # settings are set to `-1` when disabled.
 0006: # If `.enabled`, then at least one of the settings are `!= -1`.
+0007: cdef struct auto_flush_mode_t:
struct __pyx_t_7questdb_7ingress_auto_flush_mode_t {
  int enabled;
  int64_t interval;
  int64_t row_count;
  int64_t byte_count;
};
 0008:     bint enabled
 0009:     int64_t interval
 0010:     int64_t row_count
 0011:     int64_t byte_count
 0012: 
 0013: 
+0014: cdef struct auto_flush_t:
struct __pyx_t_7questdb_7ingress_auto_flush_t {
  struct line_sender *sender;
  struct __pyx_t_7questdb_7ingress_auto_flush_mode_t mode;
  int64_t *last_flush_ms;
};
 0015:     line_sender* sender
 0016:     auto_flush_mode_t mode
 0017:     int64_t* last_flush_ms
 0018: 
 0019: 
+0020: cdef auto_flush_t auto_flush_blank() noexcept nogil:
static struct __pyx_t_7questdb_7ingress_auto_flush_t __pyx_f_7questdb_7ingress_auto_flush_blank(void) {
  struct __pyx_t_7questdb_7ingress_auto_flush_t __pyx_v_af;
  struct __pyx_t_7questdb_7ingress_auto_flush_t __pyx_r;
/* … */
  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}
 0021:     cdef auto_flush_t af
+0022:     af.sender = NULL
  __pyx_v_af.sender = NULL;
+0023:     af.mode.enabled = False
  __pyx_v_af.mode.enabled = 0;
+0024:     af.mode.interval = -1
  __pyx_v_af.mode.interval = -1L;
+0025:     af.mode.row_count = -1
  __pyx_v_af.mode.row_count = -1L;
+0026:     af.mode.byte_count = -1
  __pyx_v_af.mode.byte_count = -1L;
+0027:     af.last_flush_ms = NULL
  __pyx_v_af.last_flush_ms = NULL;
+0028:     return af
  __pyx_r = __pyx_v_af;
  goto __pyx_L0;
 0029: 
+0030: cdef bint should_auto_flush(
static int __pyx_f_7questdb_7ingress_should_auto_flush(struct __pyx_t_7questdb_7ingress_auto_flush_mode_t const *__pyx_v_af_mode, struct line_sender_buffer *__pyx_v_ls_buf, int64_t __pyx_v_last_flush_ms) {
  int __pyx_r;
/* … */
  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}
 0031:             const auto_flush_mode_t* af_mode,
 0032:             line_sender_buffer* ls_buf,
 0033:             int64_t last_flush_ms):
+0034:     if not af_mode.enabled:
  __pyx_t_1 = (!(__pyx_v_af_mode->enabled != 0));
  if (__pyx_t_1) {
/* … */
  }
+0035:         return False
    __pyx_r = 0;
    goto __pyx_L0;
 0036: 
 0037:     # Check `auto_flush_rows` breach.
+0038:     if (af_mode.row_count != -1) and \
  __pyx_t_2 = (__pyx_v_af_mode->row_count != -1L);
  if (__pyx_t_2) {
  } else {
    __pyx_t_1 = __pyx_t_2;
    goto __pyx_L5_bool_binop_done;
  }
/* … */
  if (__pyx_t_1) {
/* … */
  }
+0039:         (<int64_t>line_sender_buffer_row_count(ls_buf) >= af_mode.row_count):
  __pyx_t_2 = (((int64_t)line_sender_buffer_row_count(__pyx_v_ls_buf)) >= __pyx_v_af_mode->row_count);
  __pyx_t_1 = __pyx_t_2;
  __pyx_L5_bool_binop_done:;
+0040:         return True
    __pyx_r = 1;
    goto __pyx_L0;
 0041: 
 0042:     # Check `auto_flush_bytes` breach.
+0043:     if (af_mode.byte_count != -1) and \
  __pyx_t_2 = (__pyx_v_af_mode->byte_count != -1L);
  if (__pyx_t_2) {
  } else {
    __pyx_t_1 = __pyx_t_2;
    goto __pyx_L8_bool_binop_done;
  }
/* … */
  if (__pyx_t_1) {
/* … */
  }
+0044:         (<int64_t>line_sender_buffer_size(ls_buf) >= af_mode.byte_count):
  __pyx_t_2 = (((int64_t)line_sender_buffer_size(__pyx_v_ls_buf)) >= __pyx_v_af_mode->byte_count);
  __pyx_t_1 = __pyx_t_2;
  __pyx_L8_bool_binop_done:;
+0045:         return True
    __pyx_r = 1;
    goto __pyx_L0;
 0046: 
 0047:     # Check for interval breach.
+0048:     if (af_mode.interval != -1) and \
  __pyx_t_2 = (__pyx_v_af_mode->interval != -1L);
  if (__pyx_t_2) {
  } else {
    __pyx_t_1 = __pyx_t_2;
    goto __pyx_L11_bool_binop_done;
  }
/* … */
  if (__pyx_t_1) {
/* … */
  }
+0049:         (((line_sender_now_micros() / 1000) - last_flush_ms) >= af_mode.interval):
  __pyx_t_2 = (((((double)line_sender_now_micros()) / 1000.0) - __pyx_v_last_flush_ms) >= __pyx_v_af_mode->interval);
  __pyx_t_1 = __pyx_t_2;
  __pyx_L11_bool_binop_done:;
+0050:         return True
    __pyx_r = 1;
    goto __pyx_L0;
 0051: 
+0052:     return False
  __pyx_r = 0;
  goto __pyx_L0;
 0053: 
 0054: 
+0055: cdef struct col_chunks_t:
struct __pyx_t_7questdb_7ingress_col_chunks_t {
  size_t n_chunks;
  struct ArrowArray *chunks;
};
 0056:     size_t n_chunks
 0057:     ArrowArray* chunks  # We calloc `n_chunks + 1` of these.
 0058: 
 0059: 
+0060: cdef struct col_cursor_t:
struct __pyx_t_7questdb_7ingress_col_cursor_t {
  struct ArrowArray *chunk;
  size_t chunk_index;
  size_t offset;
};
 0061:     ArrowArray* chunk  # Current chunk.
 0062:     size_t chunk_index
 0063:     size_t offset  # i.e. the element index (not byte offset)
 0064: 
 0065: 
+0066: cdef enum col_target_t:
enum __pyx_t_7questdb_7ingress_col_target_t {
  __pyx_e_7questdb_7ingress_col_target_skip = 0,
  __pyx_e_7questdb_7ingress_col_target_table = 1,
  __pyx_e_7questdb_7ingress_col_target_symbol = 2,
  __pyx_e_7questdb_7ingress_col_target_column_bool = 3,
  __pyx_e_7questdb_7ingress_col_target_column_i64 = 4,
  __pyx_e_7questdb_7ingress_col_target_column_f64 = 5,
  __pyx_e_7questdb_7ingress_col_target_column_str = 6,
  __pyx_e_7questdb_7ingress_col_target_column_ts = 7,
  __pyx_e_7questdb_7ingress_col_target_column_arr_f64 = 8,
  __pyx_e_7questdb_7ingress_col_target_at = 9
};
 0067:     col_target_skip = 0
 0068:     col_target_table = 1
 0069:     col_target_symbol = 2
 0070:     col_target_column_bool = 3
 0071:     col_target_column_i64 = 4
 0072:     col_target_column_f64 = 5
 0073:     col_target_column_str = 6
 0074:     col_target_column_ts = 7
 0075:     col_target_column_arr_f64 = 8
 0076:     col_target_at = 9
 0077: 
 0078: 
 0079: cdef dict _TARGET_NAMES = {
+0080:     col_target_t.col_target_skip: "skipped",
  __pyx_t_2 = __Pyx_PyDict_NewPresized(10); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 80, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
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  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem(__pyx_t_2, __pyx_t_3, __pyx_mstate_global->__pyx_n_u_skipped) < 0) __PYX_ERR(1, 80, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+0081:     col_target_t.col_target_table: "table name",
  __pyx_t_3 = __Pyx_PyLong_From_enum____pyx_t_7questdb_7ingress_col_target_t(__pyx_e_7questdb_7ingress_col_target_table); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 81, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem(__pyx_t_2, __pyx_t_3, __pyx_mstate_global->__pyx_kp_u_table_name_2) < 0) __PYX_ERR(1, 80, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+0082:     col_target_t.col_target_symbol: "symbol",
  __pyx_t_3 = __Pyx_PyLong_From_enum____pyx_t_7questdb_7ingress_col_target_t(__pyx_e_7questdb_7ingress_col_target_symbol); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 82, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem(__pyx_t_2, __pyx_t_3, __pyx_mstate_global->__pyx_n_u_symbol) < 0) __PYX_ERR(1, 80, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+0083:     col_target_t.col_target_column_bool: "boolean",
  __pyx_t_3 = __Pyx_PyLong_From_enum____pyx_t_7questdb_7ingress_col_target_t(__pyx_e_7questdb_7ingress_col_target_column_bool); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 83, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem(__pyx_t_2, __pyx_t_3, __pyx_mstate_global->__pyx_n_u_boolean) < 0) __PYX_ERR(1, 80, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+0084:     col_target_t.col_target_column_i64: "integer",
  __pyx_t_3 = __Pyx_PyLong_From_enum____pyx_t_7questdb_7ingress_col_target_t(__pyx_e_7questdb_7ingress_col_target_column_i64); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 84, __pyx_L1_error)
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  if (PyDict_SetItem(__pyx_t_2, __pyx_t_3, __pyx_mstate_global->__pyx_n_u_integer) < 0) __PYX_ERR(1, 80, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+0085:     col_target_t.col_target_column_f64: "float",
  __pyx_t_3 = __Pyx_PyLong_From_enum____pyx_t_7questdb_7ingress_col_target_t(__pyx_e_7questdb_7ingress_col_target_column_f64); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 85, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem(__pyx_t_2, __pyx_t_3, __pyx_mstate_global->__pyx_n_u_float) < 0) __PYX_ERR(1, 80, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+0086:     col_target_t.col_target_column_str: "string",
  __pyx_t_3 = __Pyx_PyLong_From_enum____pyx_t_7questdb_7ingress_col_target_t(__pyx_e_7questdb_7ingress_col_target_column_str); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 86, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem(__pyx_t_2, __pyx_t_3, __pyx_mstate_global->__pyx_n_u_string) < 0) __PYX_ERR(1, 80, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+0087:     col_target_t.col_target_column_ts: "timestamp",
  __pyx_t_3 = __Pyx_PyLong_From_enum____pyx_t_7questdb_7ingress_col_target_t(__pyx_e_7questdb_7ingress_col_target_column_ts); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 87, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem(__pyx_t_2, __pyx_t_3, __pyx_mstate_global->__pyx_n_u_timestamp) < 0) __PYX_ERR(1, 80, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+0088:     col_target_t.col_target_column_arr_f64: "array",
  __pyx_t_3 = __Pyx_PyLong_From_enum____pyx_t_7questdb_7ingress_col_target_t(__pyx_e_7questdb_7ingress_col_target_column_arr_f64); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 88, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem(__pyx_t_2, __pyx_t_3, __pyx_mstate_global->__pyx_n_u_array) < 0) __PYX_ERR(1, 80, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+0089:     col_target_t.col_target_at: "designated timestamp",
  __pyx_t_3 = __Pyx_PyLong_From_enum____pyx_t_7questdb_7ingress_col_target_t(__pyx_e_7questdb_7ingress_col_target_at); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 89, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem(__pyx_t_2, __pyx_t_3, __pyx_mstate_global->__pyx_kp_u_designated_timestamp) < 0) __PYX_ERR(1, 80, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__TARGET_NAMES);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__TARGET_NAMES, ((PyObject*)__pyx_t_2));
  __Pyx_GIVEREF(__pyx_t_2);
  __pyx_t_2 = 0;
 0090: }
 0091: 
 0092: 
+0093: cdef enum col_source_t:
enum __pyx_t_7questdb_7ingress_col_source_t {
  __pyx_e_7questdb_7ingress_col_source_nulls = 0,
  __pyx_e_7questdb_7ingress_col_source_bool_pyobj = 0x18AEC,
  __pyx_e_7questdb_7ingress_col_source_bool_numpy = 0x18E70,
  __pyx_e_7questdb_7ingress_col_source_bool_arrow = 0x19258,
  __pyx_e_7questdb_7ingress_col_source_int_pyobj = 0x3118C,
  __pyx_e_7questdb_7ingress_col_source_u8_numpy = 0x31510,
  __pyx_e_7questdb_7ingress_col_source_i8_numpy = 0x318F8,
  __pyx_e_7questdb_7ingress_col_source_u16_numpy = 0x31CE0,
  __pyx_e_7questdb_7ingress_col_source_i16_numpy = 0x320C8,
  __pyx_e_7questdb_7ingress_col_source_u32_numpy = 0x324B0,
  __pyx_e_7questdb_7ingress_col_source_i32_numpy = 0x32898,
  __pyx_e_7questdb_7ingress_col_source_u64_numpy = 0x32C80,
  __pyx_e_7questdb_7ingress_col_source_i64_numpy = 0x33068,
  __pyx_e_7questdb_7ingress_col_source_u8_arrow = 0x33450,
  __pyx_e_7questdb_7ingress_col_source_i8_arrow = 0x33838,
  __pyx_e_7questdb_7ingress_col_source_u16_arrow = 0x33C20,
  __pyx_e_7questdb_7ingress_col_source_i16_arrow = 0x34008,
  __pyx_e_7questdb_7ingress_col_source_u32_arrow = 0x343F0,
  __pyx_e_7questdb_7ingress_col_source_i32_arrow = 0x347D8,
  __pyx_e_7questdb_7ingress_col_source_u64_arrow = 0x34BC0,
  __pyx_e_7questdb_7ingress_col_source_i64_arrow = 0x34FA8,
  __pyx_e_7questdb_7ingress_col_source_float_pyobj = 0x4982C,
  __pyx_e_7questdb_7ingress_col_source_f32_numpy = 0x49BB0,
  __pyx_e_7questdb_7ingress_col_source_f64_numpy = 0x49F98,
  __pyx_e_7questdb_7ingress_col_source_f32_arrow = 0x4A380,
  __pyx_e_7questdb_7ingress_col_source_f64_arrow = 0x4A768,
  __pyx_e_7questdb_7ingress_col_source_str_pyobj = 0x61ECC,
  __pyx_e_7questdb_7ingress_col_source_str_utf8_arrow = 0x62250,
  __pyx_e_7questdb_7ingress_col_source_str_i8_cat = 0x62638,
  __pyx_e_7questdb_7ingress_col_source_str_i16_cat = 0x62A20,
  __pyx_e_7questdb_7ingress_col_source_str_i32_cat = 0x62E08,
  __pyx_e_7questdb_7ingress_col_source_str_lrg_utf8_arrow = 0x631F0,
  __pyx_e_7questdb_7ingress_col_source_dt64ns_numpy = 0x7A508,
  __pyx_e_7questdb_7ingress_col_source_dt64ns_tz_arrow = 0x7A8F0,
  __pyx_e_7questdb_7ingress_col_source_arr_f64_numpyobj = 0x92C0C
};
 0094:     # Note: Hundreds digit set to 1 if GIL is required.
 0095:     col_source_nulls =                       0
 0096:     col_source_bool_pyobj =             101100
 0097:     col_source_bool_numpy =             102000
 0098:     col_source_bool_arrow =             103000
 0099:     col_source_int_pyobj =              201100
 0100:     col_source_u8_numpy =               202000
 0101:     col_source_i8_numpy =               203000
 0102:     col_source_u16_numpy =              204000
 0103:     col_source_i16_numpy =              205000
 0104:     col_source_u32_numpy =              206000
 0105:     col_source_i32_numpy =              207000
 0106:     col_source_u64_numpy =              208000
 0107:     col_source_i64_numpy =              209000
 0108:     col_source_u8_arrow =               210000
 0109:     col_source_i8_arrow =               211000
 0110:     col_source_u16_arrow =              212000
 0111:     col_source_i16_arrow =              213000
 0112:     col_source_u32_arrow =              214000
 0113:     col_source_i32_arrow =              215000
 0114:     col_source_u64_arrow =              216000
 0115:     col_source_i64_arrow =              217000
 0116:     col_source_float_pyobj =            301100
 0117:     col_source_f32_numpy =              302000
 0118:     col_source_f64_numpy =              303000
 0119:     col_source_f32_arrow =              304000
 0120:     col_source_f64_arrow =              305000
 0121:     col_source_str_pyobj =              401100
 0122:     col_source_str_utf8_arrow =         402000
 0123:     col_source_str_i8_cat =             403000
 0124:     col_source_str_i16_cat =            404000
 0125:     col_source_str_i32_cat =            405000
 0126:     col_source_str_lrg_utf8_arrow =     406000
 0127:     col_source_dt64ns_numpy =           501000
 0128:     col_source_dt64ns_tz_arrow =        502000
 0129:     col_source_arr_f64_numpyobj =       601100
 0130: 
 0131: 
+0132: cdef bint col_source_needs_gil(col_source_t source) noexcept nogil:
static int __pyx_f_7questdb_7ingress_col_source_needs_gil(enum __pyx_t_7questdb_7ingress_col_source_t __pyx_v_source) {
  int __pyx_r;
/* … */
  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}
 0133:     # Check if hundreds digit is 1.
+0134:     return <int>source // 100 % 10 == 1
  __pyx_r = (__Pyx_mod_long(__Pyx_div_long(((int)__pyx_v_source), 0x64, 1), 10, 1) == 1);
  goto __pyx_L0;
 0135: 
 0136: 
 0137: cdef set _STR_SOURCES = {
+0138:     col_source_t.col_source_str_pyobj,
  __pyx_t_2 = __Pyx_PyLong_From_enum____pyx_t_7questdb_7ingress_col_source_t(__pyx_e_7questdb_7ingress_col_source_str_pyobj); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 138, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
+0139:     col_source_t.col_source_str_utf8_arrow,
  __pyx_t_3 = __Pyx_PyLong_From_enum____pyx_t_7questdb_7ingress_col_source_t(__pyx_e_7questdb_7ingress_col_source_str_utf8_arrow); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 139, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
+0140:     col_source_t.col_source_str_lrg_utf8_arrow,
  __pyx_t_4 = __Pyx_PyLong_From_enum____pyx_t_7questdb_7ingress_col_source_t(__pyx_e_7questdb_7ingress_col_source_str_lrg_utf8_arrow); if (unlikely(!__pyx_t_4)) __PYX_ERR(1, 140, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
+0141:     col_source_t.col_source_str_i8_cat,
  __pyx_t_5 = __Pyx_PyLong_From_enum____pyx_t_7questdb_7ingress_col_source_t(__pyx_e_7questdb_7ingress_col_source_str_i8_cat); if (unlikely(!__pyx_t_5)) __PYX_ERR(1, 141, __pyx_L1_error)
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 0238: 
 0239: # Targets that map directly from a meta target.
 0240: cdef set _DIRECT_META_TARGETS = {
+0241:     col_target_t.col_target_table,
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 0244: }
 0245: 
 0246: 
 0247: # This is verbose, but..
 0248: #   * Enums give us constants.
 0249: #   * Constants allow unfolding `if` statements into `switch`
 0250: #   * Switch statements can be more heavily optimized by the C compiler.
+0251: cdef enum col_dispatch_code_t:
enum __pyx_t_7questdb_7ingress_col_dispatch_code_t {
 0252:     col_dispatch_code_skip_nulls = \
 0253:         col_target_t.col_target_skip + col_source_t.col_source_nulls
 0254: 
 0255:     col_dispatch_code_table__str_pyobj = \
 0256:         col_target_t.col_target_table + col_source_t.col_source_str_pyobj
 0257:     col_dispatch_code_table__str_utf8_arrow = \
 0258:         col_target_t.col_target_table + col_source_t.col_source_str_utf8_arrow
 0259:     col_dispatch_code_table__str_lrg_utf8_arrow = \
 0260:         col_target_t.col_target_table + col_source_t.col_source_str_lrg_utf8_arrow
 0261:     col_dispatch_code_table__str_i8_cat = \
 0262:         col_target_t.col_target_table + col_source_t.col_source_str_i8_cat
 0263:     col_dispatch_code_table__str_i16_cat = \
 0264:         col_target_t.col_target_table + col_source_t.col_source_str_i16_cat
 0265:     col_dispatch_code_table__str_i32_cat = \
 0266:         col_target_t.col_target_table + col_source_t.col_source_str_i32_cat
 0267: 
 0268:     col_dispatch_code_symbol__str_pyobj = \
 0269:         col_target_t.col_target_symbol + col_source_t.col_source_str_pyobj
 0270:     col_dispatch_code_symbol__str_utf8_arrow = \
 0271:         col_target_t.col_target_symbol + col_source_t.col_source_str_utf8_arrow
 0272:     col_dispatch_code_symbol__str_lrg_utf8_arrow = \
 0273:         col_target_t.col_target_symbol + col_source_t.col_source_str_lrg_utf8_arrow
 0274:     col_dispatch_code_symbol__str_i8_cat = \
 0275:         col_target_t.col_target_symbol + col_source_t.col_source_str_i8_cat
 0276:     col_dispatch_code_symbol__str_i16_cat = \
 0277:         col_target_t.col_target_symbol + col_source_t.col_source_str_i16_cat
 0278:     col_dispatch_code_symbol__str_i32_cat = \
 0279:         col_target_t.col_target_symbol + col_source_t.col_source_str_i32_cat
 0280: 
 0281:     col_dispatch_code_column_bool__bool_pyobj = \
 0282:         col_target_t.col_target_column_bool + col_source_t.col_source_bool_pyobj
 0283:     col_dispatch_code_column_bool__bool_numpy = \
 0284:         col_target_t.col_target_column_bool + col_source_t.col_source_bool_numpy
 0285:     col_dispatch_code_column_bool__bool_arrow = \
 0286:         col_target_t.col_target_column_bool + col_source_t.col_source_bool_arrow
 0287: 
 0288:     col_dispatch_code_column_i64__int_pyobj = \
 0289:         col_target_t.col_target_column_i64 + col_source_t.col_source_int_pyobj
 0290:     col_dispatch_code_column_i64__u8_numpy = \
 0291:         col_target_t.col_target_column_i64 + col_source_t.col_source_u8_numpy
 0292:     col_dispatch_code_column_i64__i8_numpy = \
 0293:         col_target_t.col_target_column_i64 + col_source_t.col_source_i8_numpy
 0294:     col_dispatch_code_column_i64__u16_numpy = \
 0295:         col_target_t.col_target_column_i64 + col_source_t.col_source_u16_numpy
 0296:     col_dispatch_code_column_i64__i16_numpy = \
 0297:         col_target_t.col_target_column_i64 + col_source_t.col_source_i16_numpy
 0298:     col_dispatch_code_column_i64__u32_numpy = \
 0299:         col_target_t.col_target_column_i64 + col_source_t.col_source_u32_numpy
 0300:     col_dispatch_code_column_i64__i32_numpy = \
 0301:         col_target_t.col_target_column_i64 + col_source_t.col_source_i32_numpy
 0302:     col_dispatch_code_column_i64__u64_numpy = \
 0303:         col_target_t.col_target_column_i64 + col_source_t.col_source_u64_numpy
 0304:     col_dispatch_code_column_i64__i64_numpy = \
 0305:         col_target_t.col_target_column_i64 + col_source_t.col_source_i64_numpy
 0306:     col_dispatch_code_column_i64__u8_arrow = \
 0307:         col_target_t.col_target_column_i64 + col_source_t.col_source_u8_arrow
 0308:     col_dispatch_code_column_i64__i8_arrow = \
 0309:         col_target_t.col_target_column_i64 + col_source_t.col_source_i8_arrow
 0310:     col_dispatch_code_column_i64__u16_arrow = \
 0311:         col_target_t.col_target_column_i64 + col_source_t.col_source_u16_arrow
 0312:     col_dispatch_code_column_i64__i16_arrow = \
 0313:         col_target_t.col_target_column_i64 + col_source_t.col_source_i16_arrow
 0314:     col_dispatch_code_column_i64__u32_arrow = \
 0315:         col_target_t.col_target_column_i64 + col_source_t.col_source_u32_arrow
 0316:     col_dispatch_code_column_i64__i32_arrow = \
 0317:         col_target_t.col_target_column_i64 + col_source_t.col_source_i32_arrow
 0318:     col_dispatch_code_column_i64__u64_arrow = \
 0319:         col_target_t.col_target_column_i64 + col_source_t.col_source_u64_arrow
 0320:     col_dispatch_code_column_i64__i64_arrow = \
 0321:         col_target_t.col_target_column_i64 + col_source_t.col_source_i64_arrow
 0322: 
 0323:     col_dispatch_code_column_f64__float_pyobj = \
 0324:         col_target_t.col_target_column_f64 + col_source_t.col_source_float_pyobj
 0325:     col_dispatch_code_column_f64__f32_numpy = \
 0326:         col_target_t.col_target_column_f64 + col_source_t.col_source_f32_numpy
 0327:     col_dispatch_code_column_f64__f64_numpy = \
 0328:         col_target_t.col_target_column_f64 + col_source_t.col_source_f64_numpy
 0329:     col_dispatch_code_column_f64__f32_arrow = \
 0330:         col_target_t.col_target_column_f64 + col_source_t.col_source_f32_arrow
 0331:     col_dispatch_code_column_f64__f64_arrow = \
 0332:         col_target_t.col_target_column_f64 + col_source_t.col_source_f64_arrow
 0333: 
 0334:     col_dispatch_code_column_str__str_pyobj = \
 0335:         col_target_t.col_target_column_str + col_source_t.col_source_str_pyobj
 0336:     col_dispatch_code_column_str__str_utf8_arrow = \
 0337:         col_target_t.col_target_column_str + col_source_t.col_source_str_utf8_arrow
 0338:     col_dispatch_code_column_str__str_lrg_utf8_arrow = \
 0339:         col_target_t.col_target_column_str + col_source_t.col_source_str_lrg_utf8_arrow
 0340:     col_dispatch_code_column_str__str_i8_cat = \
 0341:         col_target_t.col_target_column_str + col_source_t.col_source_str_i8_cat
 0342:     col_dispatch_code_column_str__str_i16_cat = \
 0343:         col_target_t.col_target_column_str + col_source_t.col_source_str_i16_cat
 0344:     col_dispatch_code_column_str__str_i32_cat = \
 0345:         col_target_t.col_target_column_str + col_source_t.col_source_str_i32_cat
 0346: 
 0347:     col_dispatch_code_column_ts__dt64ns_numpy = \
 0348:         col_target_t.col_target_column_ts + col_source_t.col_source_dt64ns_numpy
 0349:     col_dispatch_code_column_ts__dt64ns_tz_arrow = \
 0350:         col_target_t.col_target_column_ts + \
 0351:         col_source_t.col_source_dt64ns_tz_arrow
 0352: 
 0353:     col_dispatch_code_at__dt64ns_numpy = \
 0354:         col_target_t.col_target_at + col_source_t.col_source_dt64ns_numpy
 0355:     col_dispatch_code_at__dt64ns_tz_arrow = \
 0356:         col_target_t.col_target_at + col_source_t.col_source_dt64ns_tz_arrow
 0357: 
 0358:     col_dispatch_code_column_arr_f64__arr_f64_numpyobj = \
+0359:         col_target_t.col_target_column_arr_f64 + col_source_t.col_source_arr_f64_numpyobj
  __pyx_e_7questdb_7ingress_col_dispatch_code_skip_nulls = (__pyx_e_7questdb_7ingress_col_target_skip + __pyx_e_7questdb_7ingress_col_source_nulls),
  __pyx_e_7questdb_7ingress_col_dispatch_code_table__str_pyobj = (__pyx_e_7questdb_7ingress_col_target_table + __pyx_e_7questdb_7ingress_col_source_str_pyobj),
  __pyx_e_7questdb_7ingress_col_dispatch_code_table__str_utf8_arrow = (__pyx_e_7questdb_7ingress_col_target_table + __pyx_e_7questdb_7ingress_col_source_str_utf8_arrow),
  __pyx_e_7questdb_7ingress_col_dispatch_code_table__str_lrg_utf8_arrow = (__pyx_e_7questdb_7ingress_col_target_table + __pyx_e_7questdb_7ingress_col_source_str_lrg_utf8_arrow),
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  __pyx_e_7questdb_7ingress_col_dispatch_code_column_str__str_utf8_arrow = (__pyx_e_7questdb_7ingress_col_target_column_str + __pyx_e_7questdb_7ingress_col_source_str_utf8_arrow),
  __pyx_e_7questdb_7ingress_col_dispatch_code_column_str__str_lrg_utf8_arrow = (__pyx_e_7questdb_7ingress_col_target_column_str + __pyx_e_7questdb_7ingress_col_source_str_lrg_utf8_arrow),
  __pyx_e_7questdb_7ingress_col_dispatch_code_column_str__str_i8_cat = (__pyx_e_7questdb_7ingress_col_target_column_str + __pyx_e_7questdb_7ingress_col_source_str_i8_cat),
  __pyx_e_7questdb_7ingress_col_dispatch_code_column_str__str_i16_cat = (__pyx_e_7questdb_7ingress_col_target_column_str + __pyx_e_7questdb_7ingress_col_source_str_i16_cat),
  __pyx_e_7questdb_7ingress_col_dispatch_code_column_str__str_i32_cat = (__pyx_e_7questdb_7ingress_col_target_column_str + __pyx_e_7questdb_7ingress_col_source_str_i32_cat),
  __pyx_e_7questdb_7ingress_col_dispatch_code_column_ts__dt64ns_numpy = (__pyx_e_7questdb_7ingress_col_target_column_ts + __pyx_e_7questdb_7ingress_col_source_dt64ns_numpy),
  __pyx_e_7questdb_7ingress_col_dispatch_code_column_ts__dt64ns_tz_arrow = (__pyx_e_7questdb_7ingress_col_target_column_ts + __pyx_e_7questdb_7ingress_col_source_dt64ns_tz_arrow),
  __pyx_e_7questdb_7ingress_col_dispatch_code_at__dt64ns_numpy = (__pyx_e_7questdb_7ingress_col_target_at + __pyx_e_7questdb_7ingress_col_source_dt64ns_numpy),
  __pyx_e_7questdb_7ingress_col_dispatch_code_at__dt64ns_tz_arrow = (__pyx_e_7questdb_7ingress_col_target_at + __pyx_e_7questdb_7ingress_col_source_dt64ns_tz_arrow),
  __pyx_e_7questdb_7ingress_col_dispatch_code_column_arr_f64__arr_f64_numpyobj = (__pyx_e_7questdb_7ingress_col_target_column_arr_f64 + __pyx_e_7questdb_7ingress_col_source_arr_f64_numpyobj)
};
 0360: 
 0361: 
 0362: # Int values in order for sorting (as needed for API's sequential coupling).
+0363: cdef enum meta_target_t:
enum __pyx_t_7questdb_7ingress_meta_target_t {
 0364:     meta_target_table = <int>col_target_t.col_target_table
 0365:     meta_target_symbol = <int>col_target_t.col_target_symbol
 0366:     meta_target_field = <int>col_target_t.col_target_column_bool
+0367:     meta_target_at = <int>col_target_t.col_target_at
  __pyx_e_7questdb_7ingress_meta_target_table = ((int)__pyx_e_7questdb_7ingress_col_target_table),
  __pyx_e_7questdb_7ingress_meta_target_symbol = ((int)__pyx_e_7questdb_7ingress_col_target_symbol),
  __pyx_e_7questdb_7ingress_meta_target_field = ((int)__pyx_e_7questdb_7ingress_col_target_column_bool),
  __pyx_e_7questdb_7ingress_meta_target_at = ((int)__pyx_e_7questdb_7ingress_col_target_at)
};
 0368: 
 0369: 
+0370: cdef struct col_setup_t:
struct __pyx_t_7questdb_7ingress_col_setup_t {
  struct __pyx_t_7questdb_7ingress_col_chunks_t chunks;
  size_t orig_index;
  Py_buffer pybuf;
  struct ArrowSchema arrow_schema;
  enum __pyx_t_7questdb_7ingress_col_source_t source;
  enum __pyx_t_7questdb_7ingress_meta_target_t meta_target;
  enum __pyx_t_7questdb_7ingress_col_target_t target;
};
 0371:     col_chunks_t chunks
 0372:     size_t orig_index
 0373:     Py_buffer pybuf
 0374:     ArrowSchema arrow_schema  # Schema of first chunk.
 0375:     col_source_t source
 0376:     meta_target_t meta_target
 0377:     col_target_t target
 0378: 
 0379: 
+0380: cdef struct col_t:
struct __pyx_t_7questdb_7ingress_col_t {
  enum __pyx_t_7questdb_7ingress_col_dispatch_code_t dispatch_code;
  struct line_sender_column_name name;
  struct __pyx_t_7questdb_7ingress_col_cursor_t cursor;
  struct __pyx_t_7questdb_7ingress_col_setup_t *setup;
};
 0381:     col_dispatch_code_t dispatch_code  # source + target. Determines serializer.
 0382:     line_sender_column_name name
 0383:     col_cursor_t cursor
 0384:     col_setup_t* setup  # Grouping to reduce size of struct.
 0385: 
 0386: 
+0387: cdef void col_t_release(col_t* col) noexcept:
static void __pyx_f_7questdb_7ingress_col_t_release(struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col) {
  size_t __pyx_v_chunk_index;
  struct ArrowArray *__pyx_v_chunk;
/* … */
  /* function exit code */
}
 0388:     """
 0389:     Release a (possibly) initialized column.
 0390: 
 0391:     col_t objects are `calloc`ed, so uninitialized (or partially) initialized
 0392:     objects will have their pointers and other values set to 0.
 0393:     """
 0394:     cdef size_t chunk_index
 0395:     cdef ArrowArray* chunk
 0396: 
+0397:     if Py_buffer_obj_is_set(&col.setup.pybuf):
  __pyx_t_1 = Py_buffer_obj_is_set((&__pyx_v_col->setup->pybuf));
  if (__pyx_t_1) {
/* … */
  }
+0398:         PyBuffer_Release(&col.setup.pybuf)  # Note: Sets `.pybuf.obj` to NULL.
    PyBuffer_Release((&__pyx_v_col->setup->pybuf));
 0399: 
+0400:     for chunk_index in range(col.setup.chunks.n_chunks):
  __pyx_t_2 = __pyx_v_col->setup->chunks.n_chunks;
  __pyx_t_3 = __pyx_t_2;
  for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
    __pyx_v_chunk_index = __pyx_t_4;
+0401:         chunk = &col.setup.chunks.chunks[chunk_index]
    __pyx_v_chunk = (&(__pyx_v_col->setup->chunks.chunks[__pyx_v_chunk_index]));
+0402:         if chunk.release != NULL:
    __pyx_t_1 = (__pyx_v_chunk->release != NULL);
    if (__pyx_t_1) {
/* … */
    }
+0403:             chunk.release(chunk)
      __pyx_v_chunk->release(__pyx_v_chunk);
+0404:         memset(chunk, 0, sizeof(ArrowArray))
    (void)(memset(__pyx_v_chunk, 0, (sizeof(struct ArrowArray))));
  }
 0405: 
+0406:     if col.setup.arrow_schema.release != NULL:
  __pyx_t_1 = (__pyx_v_col->setup->arrow_schema.release != NULL);
  if (__pyx_t_1) {
/* … */
  }
+0407:         col.setup.arrow_schema.release(&col.setup.arrow_schema)
    __pyx_v_col->setup->arrow_schema.release((&__pyx_v_col->setup->arrow_schema));
 0408: 
+0409:     free(col.setup.chunks.chunks)
  free(__pyx_v_col->setup->chunks.chunks);
+0410:     col.setup.chunks.chunks = NULL
  __pyx_v_col->setup->chunks.chunks = NULL;
+0411:     col.setup.chunks.n_chunks = 0
  __pyx_v_col->setup->chunks.n_chunks = 0;
 0412: 
+0413:     free(col.setup)
  free(__pyx_v_col->setup);
+0414:     col.setup = NULL
  __pyx_v_col->setup = NULL;
 0415: 
 0416: 
 0417: # Calloc'd array of col_t.
+0418: cdef struct col_t_arr:
struct __pyx_t_7questdb_7ingress_col_t_arr {
  size_t size;
  struct __pyx_t_7questdb_7ingress_col_t *d;
};
 0419:     size_t size
 0420:     col_t* d
 0421: 
 0422: 
+0423: cdef col_t_arr col_t_arr_blank() noexcept nogil:
static struct __pyx_t_7questdb_7ingress_col_t_arr __pyx_f_7questdb_7ingress_col_t_arr_blank(void) {
  struct __pyx_t_7questdb_7ingress_col_t_arr __pyx_v_arr;
  struct __pyx_t_7questdb_7ingress_col_t_arr __pyx_r;
/* … */
  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}
 0424:     cdef col_t_arr arr
+0425:     arr.size = 0
  __pyx_v_arr.size = 0;
+0426:     arr.d = NULL
  __pyx_v_arr.d = NULL;
+0427:     return arr
  __pyx_r = __pyx_v_arr;
  goto __pyx_L0;
 0428: 
 0429: 
+0430: cdef col_t_arr col_t_arr_new(size_t size) noexcept nogil:
static struct __pyx_t_7questdb_7ingress_col_t_arr __pyx_f_7questdb_7ingress_col_t_arr_new(size_t __pyx_v_size) {
  struct __pyx_t_7questdb_7ingress_col_t_arr __pyx_v_arr;
  size_t __pyx_v_index;
  struct __pyx_t_7questdb_7ingress_col_t_arr __pyx_r;
/* … */
  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}
 0431:     cdef col_t_arr arr
 0432:     cdef size_t index
+0433:     arr.size = size
  __pyx_v_arr.size = __pyx_v_size;
+0434:     arr.d = <col_t*>calloc(size, sizeof(col_t))
  __pyx_v_arr.d = ((struct __pyx_t_7questdb_7ingress_col_t *)calloc(__pyx_v_size, (sizeof(struct __pyx_t_7questdb_7ingress_col_t))));
+0435:     for index in range(size):
  __pyx_t_1 = __pyx_v_size;
  __pyx_t_2 = __pyx_t_1;
  for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
    __pyx_v_index = __pyx_t_3;
+0436:         arr.d[index].setup = <col_setup_t*>calloc(1, sizeof(col_setup_t))
    (__pyx_v_arr.d[__pyx_v_index]).setup = ((struct __pyx_t_7questdb_7ingress_col_setup_t *)calloc(1, (sizeof(struct __pyx_t_7questdb_7ingress_col_setup_t))));
  }
+0437:     return arr
  __pyx_r = __pyx_v_arr;
  goto __pyx_L0;
 0438: 
 0439: 
+0440: cdef void col_t_arr_release(col_t_arr* arr) noexcept:
static void __pyx_f_7questdb_7ingress_col_t_arr_release(struct __pyx_t_7questdb_7ingress_col_t_arr *__pyx_v_arr) {
  size_t __pyx_v_index;
/* … */
  /* function exit code */
}
 0441:     cdef size_t index
+0442:     if arr.d:
  __pyx_t_1 = (__pyx_v_arr->d != 0);
  if (__pyx_t_1) {
/* … */
  }
+0443:         for index in range(arr.size):
    __pyx_t_2 = __pyx_v_arr->size;
    __pyx_t_3 = __pyx_t_2;
    for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
      __pyx_v_index = __pyx_t_4;
+0444:             col_t_release(&arr.d[index])
      __pyx_f_7questdb_7ingress_col_t_release((&(__pyx_v_arr->d[__pyx_v_index])));
    }
+0445:         free(arr.d)
    free(__pyx_v_arr->d);
+0446:         arr.size = 0
    __pyx_v_arr->size = 0;
+0447:         arr.d = NULL
    __pyx_v_arr->d = NULL;
 0448: 
 0449: 
+0450: cdef object _NUMPY = None  # module object
  __Pyx_INCREF(Py_None);
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__NUMPY);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__NUMPY, Py_None);
  __Pyx_GIVEREF(Py_None);
+0451: cdef object _NUMPY_BOOL = None
  __Pyx_INCREF(Py_None);
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__NUMPY_BOOL);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__NUMPY_BOOL, Py_None);
  __Pyx_GIVEREF(Py_None);
+0452: cdef object _NUMPY_UINT8 = None
  __Pyx_INCREF(Py_None);
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__NUMPY_UINT8);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__NUMPY_UINT8, Py_None);
  __Pyx_GIVEREF(Py_None);
+0453: cdef object _NUMPY_INT8 = None
  __Pyx_INCREF(Py_None);
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__NUMPY_INT8);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__NUMPY_INT8, Py_None);
  __Pyx_GIVEREF(Py_None);
+0454: cdef object _NUMPY_UINT16 = None
  __Pyx_INCREF(Py_None);
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__NUMPY_UINT16);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__NUMPY_UINT16, Py_None);
  __Pyx_GIVEREF(Py_None);
+0455: cdef object _NUMPY_INT16 = None
  __Pyx_INCREF(Py_None);
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__NUMPY_INT16);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__NUMPY_INT16, Py_None);
  __Pyx_GIVEREF(Py_None);
+0456: cdef object _NUMPY_UINT32 = None
  __Pyx_INCREF(Py_None);
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__NUMPY_UINT32);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__NUMPY_UINT32, Py_None);
  __Pyx_GIVEREF(Py_None);
+0457: cdef object _NUMPY_INT32 = None
  __Pyx_INCREF(Py_None);
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__NUMPY_INT32);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__NUMPY_INT32, Py_None);
  __Pyx_GIVEREF(Py_None);
+0458: cdef object _NUMPY_UINT64 = None
  __Pyx_INCREF(Py_None);
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  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__NUMPY_UINT64, Py_None);
  __Pyx_GIVEREF(Py_None);
+0459: cdef object _NUMPY_INT64 = None
  __Pyx_INCREF(Py_None);
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  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__NUMPY_INT64, Py_None);
  __Pyx_GIVEREF(Py_None);
+0460: cdef object _NUMPY_FLOAT32 = None
  __Pyx_INCREF(Py_None);
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__NUMPY_FLOAT32);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__NUMPY_FLOAT32, Py_None);
  __Pyx_GIVEREF(Py_None);
+0461: cdef object _NUMPY_FLOAT64 = None
  __Pyx_INCREF(Py_None);
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__NUMPY_FLOAT64);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__NUMPY_FLOAT64, Py_None);
  __Pyx_GIVEREF(Py_None);
+0462: cdef object _NUMPY_DATETIME64_NS = None
  __Pyx_INCREF(Py_None);
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__NUMPY_DATETIME64_NS);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__NUMPY_DATETIME64_NS, Py_None);
  __Pyx_GIVEREF(Py_None);
+0463: cdef object _NUMPY_OBJECT = None
  __Pyx_INCREF(Py_None);
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__NUMPY_OBJECT);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__NUMPY_OBJECT, Py_None);
  __Pyx_GIVEREF(Py_None);
+0464: cdef object _PANDAS = None  # module object
  __Pyx_INCREF(Py_None);
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__PANDAS);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__PANDAS, Py_None);
  __Pyx_GIVEREF(Py_None);
+0465: cdef object _PANDAS_NA = None  # pandas.NA
  __Pyx_INCREF(Py_None);
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__PANDAS_NA);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__PANDAS_NA, Py_None);
  __Pyx_GIVEREF(Py_None);
+0466: cdef object _PYARROW = None  # module object, if available or None
  __Pyx_INCREF(Py_None);
  __Pyx_XGOTREF(__pyx_v_7questdb_7ingress__PYARROW);
  __Pyx_DECREF_SET(__pyx_v_7questdb_7ingress__PYARROW, Py_None);
  __Pyx_GIVEREF(Py_None);
 0467: 
+0468: cdef int64_t _NAT = INT64_MIN  # pandas NaT
  __pyx_v_7questdb_7ingress__NAT = INT64_MIN;
 0469: 
 0470: 
+0471: cdef object _dataframe_may_import_deps():
static PyObject *__pyx_f_7questdb_7ingress__dataframe_may_import_deps(void) {
  PyObject *__pyx_v_pandas = NULL;
  PyObject *__pyx_v_numpy = NULL;
  PyObject *__pyx_v_pyarrow = NULL;
  PyObject *__pyx_v_ie = NULL;
  PyObject *__pyx_r = NULL;
/* … */
  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_8);
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  __Pyx_AddTraceback("questdb.ingress._dataframe_may_import_deps", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = 0;
  __pyx_L0:;
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  __Pyx_XDECREF(__pyx_v_pyarrow);
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  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}
 0472:     """"
 0473:     Lazily import module dependencies on first use to avoid startup overhead.
 0474: 
 0475:     $ cat imp_test.py
 0476:     import numpy
 0477:     import pandas
 0478:     import pyarrow
 0479: 
 0480:     $ time python3 ./imp_test.py
 0481:     python3 ./imp_test.py  0.56s user 1.60s system 852% cpu 0.254 total
 0482:     """
 0483:     global _NUMPY, _PANDAS, _PYARROW, _PANDAS_NA
 0484:     global _NUMPY_BOOL
 0485:     global _NUMPY_UINT8
 0486:     global _NUMPY_INT8
 0487:     global _NUMPY_UINT16
 0488:     global _NUMPY_INT16
 0489:     global _NUMPY_UINT32
 0490:     global _NUMPY_INT32
 0491:     global _NUMPY_UINT64
 0492:     global _NUMPY_INT64
 0493:     global _NUMPY_FLOAT32
 0494:     global _NUMPY_FLOAT64
 0495:     global _NUMPY_DATETIME64_NS
 0496:     global _NUMPY_OBJECT
+0497:     if _NUMPY is not None:
  __pyx_t_1 = (__pyx_v_7questdb_7ingress__NUMPY != Py_None);
  if (__pyx_t_1) {
/* … */
  }
+0498:         return
    __Pyx_XDECREF(__pyx_r);
    __pyx_r = Py_None; __Pyx_INCREF(Py_None);
    goto __pyx_L0;
+0499:     try:
  {
    /*try:*/ {
/* … */
    }
    __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
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    __pyx_L4_error:;
    __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
/* … */
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    __Pyx_XGIVEREF(__pyx_t_2);
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    goto __pyx_L1_error;
    __pyx_L9_try_end:;
  }
+0500:         import pandas
      __pyx_t_5 = __Pyx_ImportDottedModule(__pyx_mstate_global->__pyx_n_u_pandas, NULL); if (unlikely(!__pyx_t_5)) __PYX_ERR(1, 500, __pyx_L4_error)
      __Pyx_GOTREF(__pyx_t_5);
      __pyx_v_pandas = __pyx_t_5;
      __pyx_t_5 = 0;
+0501:         import numpy
      __pyx_t_5 = __Pyx_ImportDottedModule(__pyx_mstate_global->__pyx_n_u_numpy, NULL); if (unlikely(!__pyx_t_5)) __PYX_ERR(1, 501, __pyx_L4_error)
      __Pyx_GOTREF(__pyx_t_5);
      __pyx_v_numpy = __pyx_t_5;
      __pyx_t_5 = 0;
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 0574:                 'Bad argument `table_name_col`: ' +
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 0579:             'Bad argument `table_name_col`: ',
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 0589:                 'Bad dataframe index name as table name: Expected str, ' +
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 0592:         # If the index has a name, use that as the table name.
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/* … */
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+0594:             str_to_table_name_copy(b, <PyObject*>df.index.name, name_out)
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 0601:             'Must specify at least one of `table_name` or `table_name_col`, ' +
 0602:             'or set the dataframe index name (df.index.name = \'tbl_name\').')
 0603: 
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 0606:         str arg_name, int col_num, size_t col_count,
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 0608:     """
 0609:     Validate that `col_index` is in bounds for `col_count`.
 0610:     This function also converts negative indicies (e.g. -1 for last column) to
 0611:     positive indicies.
 0612:     """
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+0614:     cdef int orig_col_num = col_num
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/* … */
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+0616:         col_num += col_count  # Try convert negative offsets to positive ones.
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+0617:     if col_num < 0:
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/* … */
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/* … */
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 0659:         object df,
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/* … */
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/* … */
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/* … */
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/* … */
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/* … */
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/* … */
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 0688:                 f'Bad argument `symbols`: Must be a bool or a tuple or list '+
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/* … */
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/* … */
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 0697:                     f'Bad argument `symbols`: Elements must ' +
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/* … */
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/* … */
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+0707:             pandas_col = pandas_cols[col_index]
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/* … */
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/* … */
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/* … */
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/* … */
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+0904:             f'Bad column {pandas_col.name!r}: ' +
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 0905:             'Expected a category of strings, ' +
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 0907: 
 0908: 
+0909: cdef inline bint _dataframe_is_float_nan(PyObject* obj) noexcept:
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/* … */
  /* function exit code */
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}
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 0911: 
 0912: 
+0913: cdef inline bint _dataframe_is_null_pyobj(PyObject* obj) noexcept:
static CYTHON_INLINE int __pyx_f_7questdb_7ingress__dataframe_is_null_pyobj(PyObject *__pyx_v_obj) {
  int __pyx_r;
/* … */
  /* function exit code */
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}
 0914:     return (
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    __pyx_t_1 = __pyx_t_2;
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 0918: 
 0919: # noinspection PyUnreachableCode
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static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_series_sniff_pyobj(struct __pyx_obj_7questdb_7ingress_PandasCol *__pyx_v_pandas_col, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col) {
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/* … */
  /* function exit code */
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  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_XDECREF(__pyx_t_9);
  __Pyx_XDECREF(__pyx_t_11);
  __Pyx_XDECREF(__pyx_t_12);
  __Pyx_XDECREF(__pyx_t_13);
  __Pyx_XDECREF(__pyx_t_15);
  __Pyx_AddTraceback("questdb.ingress._dataframe_series_sniff_pyobj", __pyx_clineno, __pyx_lineno, __pyx_filename);
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  return __pyx_r;
}
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 0922:     """
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 0924:     Object columns can contain pretty much anything, but they usually don't.
 0925:     We make an educated guess by finding the first non-null value in the column.
 0926:     """
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 0928:     cdef size_t el_index
+0929:     cdef size_t n_elements = len(pandas_col.series)
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  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == ((Py_ssize_t)-1))) __PYX_ERR(1, 929, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
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 0930:     cdef PyObject** obj_arr
 0931:     cdef PyObject* obj
 0932: 
 0933:     # To access elements which are themselves arrays.
 0934:     cdef PyArrayObject* arr
 0935:     cdef npy_int arr_type
 0936:     cdef cnp.dtype arr_descr  # A cython defn for `PyArray_Descr*`
 0937:     cdef str arr_type_name
 0938: 
+0939:     _dataframe_series_as_pybuf(pandas_col, col)
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+0940:     obj_arr = <PyObject**>(col.setup.pybuf.buf)
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    __pyx_v_el_index = __pyx_t_6;
+0942:         obj = obj_arr[el_index]
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+0943:         if not _dataframe_is_null_pyobj(obj):
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/* … */
    }
  }
+0944:             if PyBool_Check(obj):
      __pyx_t_7 = PyBool_Check(__pyx_v_obj);
      if (__pyx_t_7) {
/* … */
        goto __pyx_L6;
      }
+0945:                 col.setup.source = col_source_t.col_source_bool_pyobj
        __pyx_v_col->setup->source = __pyx_e_7questdb_7ingress_col_source_bool_pyobj;
+0946:             elif PyLong_CheckExact(obj):
      __pyx_t_7 = PyLong_CheckExact(__pyx_v_obj);
      if (__pyx_t_7) {
/* … */
        goto __pyx_L6;
      }
+0947:                 col.setup.source = col_source_t.col_source_int_pyobj
        __pyx_v_col->setup->source = __pyx_e_7questdb_7ingress_col_source_int_pyobj;
+0948:             elif PyFloat_CheckExact(obj):
      __pyx_t_7 = PyFloat_CheckExact(__pyx_v_obj);
      if (__pyx_t_7) {
/* … */
        goto __pyx_L6;
      }
+0949:                 col.setup.source = col_source_t.col_source_float_pyobj
        __pyx_v_col->setup->source = __pyx_e_7questdb_7ingress_col_source_float_pyobj;
+0950:             elif PyUnicode_CheckExact(obj):
      __pyx_t_7 = PyUnicode_CheckExact(__pyx_v_obj);
      if (__pyx_t_7) {
/* … */
        goto __pyx_L6;
      }
+0951:                 col.setup.source = col_source_t.col_source_str_pyobj
        __pyx_v_col->setup->source = __pyx_e_7questdb_7ingress_col_source_str_pyobj;
+0952:             elif PyArray_CheckExact(obj):
      __pyx_t_7 = PyArray_CheckExact(__pyx_v_obj);
      if (likely(__pyx_t_7)) {
/* … */
        goto __pyx_L6;
      }
+0953:                 arr = <PyArrayObject*>obj
        __pyx_v_arr = ((PyArrayObject *)__pyx_v_obj);
+0954:                 arr_type = PyArray_TYPE(arr)
        __pyx_v_arr_type = PyArray_TYPE(__pyx_v_arr);
+0955:                 if arr_type == NPY_DOUBLE:
        __pyx_t_7 = (__pyx_v_arr_type == NPY_DOUBLE);
        if (__pyx_t_7) {
/* … */
          goto __pyx_L7;
        }
+0956:                     col.setup.source = col_source_t.col_source_arr_f64_numpyobj
          __pyx_v_col->setup->source = __pyx_e_7questdb_7ingress_col_source_arr_f64_numpyobj;
 0957:                 else:
+0958:                     arr_type_name = '??unknown??'
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          __pyx_v_arr_type_name = __pyx_mstate_global->__pyx_kp_u_unknown;
+0959:                     arr_descr = cnp.PyArray_DescrFromType(arr_type)
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          __pyx_v_arr_descr = ((PyArray_Descr *)__pyx_t_1);
          __pyx_t_1 = 0;
+0960:                     if arr_descr is not None:
          __pyx_t_7 = (((PyObject *)__pyx_v_arr_descr) != Py_None);
          if (__pyx_t_7) {
/* … */
          }
+0961:                         arr_type_name = arr_descr.name.decode('ascii')
            __pyx_t_9 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_arr_descr), __pyx_mstate_global->__pyx_n_u_name); if (unlikely(!__pyx_t_9)) __PYX_ERR(1, 961, __pyx_L1_error)
            __Pyx_GOTREF(__pyx_t_9);
            __pyx_t_8 = __pyx_t_9;
            __Pyx_INCREF(__pyx_t_8);
            __pyx_t_10 = 0;
            {
              PyObject *__pyx_callargs[2] = {__pyx_t_8, __pyx_mstate_global->__pyx_n_u_ascii};
              __pyx_t_1 = __Pyx_PyObject_FastCallMethod(__pyx_mstate_global->__pyx_n_u_decode, __pyx_callargs+__pyx_t_10, (2-__pyx_t_10) | (1*__Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET));
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            __Pyx_DECREF_SET(__pyx_v_arr_type_name, ((PyObject*)__pyx_t_1));
            __pyx_t_1 = 0;
+0962:                     raise IngressError(
          __pyx_t_9 = NULL;
          __Pyx_GetModuleGlobalName(__pyx_t_8, __pyx_mstate_global->__pyx_n_u_IngressError); if (unlikely(!__pyx_t_8)) __PYX_ERR(1, 962, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_8);
+0963:                         IngressErrorCode.BadDataFrame,
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          __Pyx_GOTREF(__pyx_t_11);
          __pyx_t_12 = __Pyx_PyObject_GetAttrStr(__pyx_t_11, __pyx_mstate_global->__pyx_n_u_BadDataFrame); if (unlikely(!__pyx_t_12)) __PYX_ERR(1, 963, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_12);
          __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
+0964:                         f'Bad column {pandas_col.name!r}: ' +
          __pyx_t_11 = __Pyx_PyObject_FormatSimpleAndDecref(PyObject_Repr(__pyx_v_pandas_col->name), __pyx_mstate_global->__pyx_empty_unicode); if (unlikely(!__pyx_t_11)) __PYX_ERR(1, 964, __pyx_L1_error)
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/* … */
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          if (unlikely(!__pyx_t_15)) __PYX_ERR(1, 964, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_15);
          __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
          __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
          __pyx_t_10 = 1;
          #if CYTHON_UNPACK_METHODS
          if (unlikely(PyMethod_Check(__pyx_t_8))) {
            __pyx_t_9 = PyMethod_GET_SELF(__pyx_t_8);
            assert(__pyx_t_9);
            PyObject* __pyx__function = PyMethod_GET_FUNCTION(__pyx_t_8);
            __Pyx_INCREF(__pyx_t_9);
            __Pyx_INCREF(__pyx__function);
            __Pyx_DECREF_SET(__pyx_t_8, __pyx__function);
            __pyx_t_10 = 0;
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          #endif
          {
            PyObject *__pyx_callargs[3] = {__pyx_t_9, __pyx_t_12, __pyx_t_15};
            __pyx_t_1 = __Pyx_PyObject_FastCall(__pyx_t_8, __pyx_callargs+__pyx_t_10, (3-__pyx_t_10) | (__pyx_t_10*__Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET));
            __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
            __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
            __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
            __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
            if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 962, __pyx_L1_error)
            __Pyx_GOTREF(__pyx_t_1);
          }
          __Pyx_Raise(__pyx_t_1, 0, 0, 0);
          __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
          __PYX_ERR(1, 962, __pyx_L1_error)
        }
        __pyx_L7:;
 0965:                         'Unsupported object column containing a numpy array ' +
+0966:                         f'of an unsupported element type {arr_type_name}.')
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          __pyx_t_14[2] = __pyx_mstate_global->__pyx_kp_u_Unsupported_object_column_conta;
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          __pyx_t_14[4] = __pyx_mstate_global->__pyx_kp_u_;
+0967:             elif PyBytes_CheckExact(obj):
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/* … */
      }
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        __Pyx_GOTREF(__pyx_t_15);
+0969:                     IngressErrorCode.BadDataFrame,
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        __Pyx_GOTREF(__pyx_t_9);
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+0970:                     f'Bad column {pandas_col.name!r}: ' +
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        __pyx_t_16[0] = __pyx_mstate_global->__pyx_kp_u_Bad_column;
        __pyx_t_16[1] = __pyx_t_12;
        __pyx_t_16[2] = __pyx_mstate_global->__pyx_kp_u_Unsupported_object_column_conta_2;
        __pyx_t_13 = __Pyx_PyUnicode_Join(__pyx_t_16, 3, 11 + __Pyx_PyUnicode_GET_LENGTH(__pyx_t_12) + 140, 127 | __Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_12));
        if (unlikely(!__pyx_t_13)) __PYX_ERR(1, 970, __pyx_L1_error)
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        __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
        __pyx_t_10 = 1;
        #if CYTHON_UNPACK_METHODS
        if (unlikely(PyMethod_Check(__pyx_t_15))) {
          __pyx_t_8 = PyMethod_GET_SELF(__pyx_t_15);
          assert(__pyx_t_8);
          PyObject* __pyx__function = PyMethod_GET_FUNCTION(__pyx_t_15);
          __Pyx_INCREF(__pyx_t_8);
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          __Pyx_DECREF_SET(__pyx_t_15, __pyx__function);
          __pyx_t_10 = 0;
        }
        #endif
        {
          PyObject *__pyx_callargs[3] = {__pyx_t_8, __pyx_t_9, __pyx_t_13};
          __pyx_t_1 = __Pyx_PyObject_FastCall(__pyx_t_15, __pyx_callargs+__pyx_t_10, (3-__pyx_t_10) | (__pyx_t_10*__Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET));
          __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
          __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
          __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
          __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
          if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 968, __pyx_L1_error)
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        __Pyx_Raise(__pyx_t_1, 0, 0, 0);
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        __PYX_ERR(1, 968, __pyx_L1_error)
 0971:                     'Unsupported object column containing bytes.' +
 0972:                     'If this is a string column, decode it first. ' +
 0973:                     'See: https://stackoverflow.com/questions/40389764/')
 0974:             else:
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+0976:                     IngressErrorCode.BadDataFrame,
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        __Pyx_GOTREF(__pyx_t_8);
        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
+0977:                     f'Bad column {pandas_col.name!r}: ' +
        __pyx_t_9 = __Pyx_PyObject_FormatSimpleAndDecref(PyObject_Repr(__pyx_v_pandas_col->name), __pyx_mstate_global->__pyx_empty_unicode); if (unlikely(!__pyx_t_9)) __PYX_ERR(1, 977, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_9);
        __pyx_t_16[0] = __pyx_mstate_global->__pyx_kp_u_Bad_column;
        __pyx_t_16[1] = __pyx_t_9;
        __pyx_t_16[2] = __pyx_mstate_global->__pyx_kp_u_Unsupported_object_column_conta_3;
        __pyx_t_12 = __Pyx_PyUnicode_Join(__pyx_t_16, 3, 11 + __Pyx_PyUnicode_GET_LENGTH(__pyx_t_9) + 57, 127 | __Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_9));
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        __Pyx_GOTREF(__pyx_t_12);
        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
+0978:                     f'Unsupported object column containing an object of type ' +
        __pyx_t_11 = __Pyx_PyUnicode_ConcatInPlaceSafe(__pyx_t_12, __pyx_t_9); if (unlikely(!__pyx_t_11)) __PYX_ERR(1, 978, __pyx_L1_error)
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/* … */
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/* … */
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/* … */
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/* … */
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 1093:             'Raise an issue if you think it should be supported: ' +
 1094:             'https://github.com/questdb/py-questdb-client/issues.')
 1095: 
 1096: 
+1097: cdef void_int _dataframe_resolve_target(
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/* … */
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 1098:         PandasCol pandas_col, col_t* col) except -1:
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 1100:     cdef set target_sources
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/* … */
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+1102:         col.setup.target = <col_target_t><int>col.setup.meta_target
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/* … */
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+1106:         if col.setup.source in target_sources:
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/* … */
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+1116: cdef void _dataframe_init_cursor(col_t* col) noexcept nogil:
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/* … */
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 1121: 
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/* … */
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 1124:         list pandas_cols,
 1125:         col_t_arr* cols,
 1126:         bint* any_cols_need_gil_out) except -1:
 1127:     cdef size_t index
+1128:     cdef size_t len_dataframe_cols = len(pandas_cols)
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 1129:     cdef PandasCol pandas_col
 1130:     cdef col_t* col
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 1135: 
 1136:         # The target is resolved in stages:
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 1138:         # * Then, depending on argument parsing some/none of the columns
 1139:         #   obtain a meta-target of "table", "symbol" or "at".
 1140:         # * Finally, based on the source, any remaining "meta_target_field"
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 1144: 
 1145:         # We will sort columns later. The index will be used to achieve a stable
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+1149:         _dataframe_resolve_source_and_buffers(pandas_col, col)
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/* … */
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+1152:             any_cols_need_gil_out[0] = True
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 1154: 
+1155: cdef void_int _dataframe_resolve_cols_target_name_and_dc(
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 1156:         qdb_pystr_buf* b,
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 1159:     cdef size_t index
 1160:     cdef col_t* col
 1161:     cdef PandasCol pandas_col
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+1168:                 f'Bad value: Column {pandas_col.name!r} ' +
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+1171:         col.dispatch_code = <col_dispatch_code_t>(
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 1172:             <int>col.setup.source + <int>col.setup.target)
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 1174:         # Since we don't need to send the column names for 'table' and
 1175:         # 'at' columns, we don't need to validate and encode them as
 1176:         # column names. This allows unsupported names for these columns.
+1177:         if ((col.setup.meta_target != meta_target_t.meta_target_table) and
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/* … */
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/* … */
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/* … */
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 1178:                 (col.setup.meta_target != meta_target_t.meta_target_at)):
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 1180: 
 1181: 
+1182: cdef int _dataframe_compare_cols(const void* lhs, const void* rhs) noexcept nogil:
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/* … */
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+1184:     cdef col_t* rhs_col = <col_t*>rhs
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+1185:     cdef int source_diff = lhs_col.setup.meta_target - rhs_col.setup.meta_target
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/* … */
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+1187:         return source_diff
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 1189: 
 1190: # noinspection PyUnreachableCode
+1191: cdef void_int _dataframe_resolve_args(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_resolve_args(PyObject *__pyx_v_df, PyObject *__pyx_v_table_name, PyObject *__pyx_v_table_name_col, PyObject *__pyx_v_symbols, PyObject *__pyx_v_at, struct qdb_pystr_buf *__pyx_v_b, size_t __pyx_v_col_count, struct line_sender_table_name *__pyx_v_c_table_name_out, int64_t *__pyx_v_at_value_out, struct __pyx_t_7questdb_7ingress_col_t_arr *__pyx_v_cols, int *__pyx_v_any_cols_need_gil_out) {
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  Py_ssize_t __pyx_v_at_col;
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  PyObject *__pyx_7genexpr__pyx_v_series = NULL;
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/* … */
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 1192:         object df,
 1193:         object table_name,
 1194:         object table_name_col,
 1195:         object symbols,
 1196:         object at,
 1197:         qdb_pystr_buf* b,
 1198:         size_t col_count,
 1199:         line_sender_table_name* c_table_name_out,
 1200:         int64_t* at_value_out,
 1201:         col_t_arr* cols,
 1202:         bint* any_cols_need_gil_out) except -1:
 1203:     cdef ssize_t name_col
 1204:     cdef ssize_t at_col
 1205: 
+1206:     cdef list pandas_cols = [
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+1207:         PandasCol(name, df.dtypes.iloc[index], series)
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+1208:         for index, (name, series) in enumerate(df.items())]
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+1209:     _dataframe_resolve_cols(b, pandas_cols, cols, any_cols_need_gil_out)
  __pyx_t_14 = __pyx_f_7questdb_7ingress__dataframe_resolve_cols(__pyx_v_b, __pyx_v_pandas_cols, __pyx_v_cols, __pyx_v_any_cols_need_gil_out); if (unlikely(__pyx_t_14 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 1209, __pyx_L1_error)
+1210:     name_col = _dataframe_resolve_table_name(
  __pyx_t_15 = __pyx_f_7questdb_7ingress__dataframe_resolve_table_name(__pyx_v_b, __pyx_v_df, __pyx_v_pandas_cols, __pyx_v_cols, __pyx_v_table_name, __pyx_v_table_name_col, __pyx_v_col_count, __pyx_v_c_table_name_out); if (unlikely(__pyx_t_15 == ((Py_ssize_t)-2))) __PYX_ERR(1, 1210, __pyx_L1_error)
  __pyx_v_name_col = __pyx_t_15;
 1211:         b,
 1212:         df,
 1213:         pandas_cols,
 1214:         cols,
 1215:         table_name,
 1216:         table_name_col,
 1217:         col_count,
 1218:         c_table_name_out)
+1219:     at_col = _dataframe_resolve_at(df, cols, at, col_count, at_value_out)
  __pyx_t_15 = __pyx_f_7questdb_7ingress__dataframe_resolve_at(__pyx_v_df, __pyx_v_cols, __pyx_v_at, __pyx_v_col_count, __pyx_v_at_value_out); if (unlikely(__pyx_t_15 == ((Py_ssize_t)-2))) __PYX_ERR(1, 1219, __pyx_L1_error)
  __pyx_v_at_col = __pyx_t_15;
+1220:     _dataframe_resolve_symbols(df, pandas_cols, cols, name_col, at_col, symbols)
  __pyx_t_14 = __pyx_f_7questdb_7ingress__dataframe_resolve_symbols(__pyx_v_df, __pyx_v_pandas_cols, __pyx_v_cols, __pyx_v_name_col, __pyx_v_at_col, __pyx_v_symbols); if (unlikely(__pyx_t_14 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 1220, __pyx_L1_error)
+1221:     _dataframe_resolve_cols_target_name_and_dc(b, pandas_cols, cols)
  __pyx_t_14 = __pyx_f_7questdb_7ingress__dataframe_resolve_cols_target_name_and_dc(__pyx_v_b, __pyx_v_pandas_cols, __pyx_v_cols); if (unlikely(__pyx_t_14 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 1221, __pyx_L1_error)
+1222:     qsort(cols.d, col_count, sizeof(col_t), _dataframe_compare_cols)
  qsort(__pyx_v_cols->d, __pyx_v_col_count, (sizeof(struct __pyx_t_7questdb_7ingress_col_t)), __pyx_f_7questdb_7ingress__dataframe_compare_cols);
 1223: 
 1224: 
+1225: cdef inline bint _dataframe_arrow_get_bool(col_cursor_t* cursor) noexcept nogil:
static CYTHON_INLINE int __pyx_f_7questdb_7ingress__dataframe_arrow_get_bool(struct __pyx_t_7questdb_7ingress_col_cursor_t *__pyx_v_cursor) {
  int __pyx_r;
/* … */
  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}
 1226:     return (
+1227:         (<uint8_t*>cursor.chunk.buffers[1])[cursor.offset // 8] &
  __pyx_r = ((((uint8_t *)(__pyx_v_cursor->chunk->buffers[1]))[(__pyx_v_cursor->offset / 8)]) & (1 << (__pyx_v_cursor->offset % 8)));
  goto __pyx_L0;
 1228:         (1 << (cursor.offset % 8)))
 1229: 
 1230: 
+1231: cdef inline bint _dataframe_arrow_is_valid(col_cursor_t* cursor) noexcept nogil:
static CYTHON_INLINE int __pyx_f_7questdb_7ingress__dataframe_arrow_is_valid(struct __pyx_t_7questdb_7ingress_col_cursor_t *__pyx_v_cursor) {
  int __pyx_r;
/* … */
  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}
 1232:     """Check if the value is set according to the validity bitmap."""
 1233:     return (
+1234:         cursor.chunk.null_count == 0 or
  __pyx_t_2 = (__pyx_v_cursor->chunk->null_count == 0);
  if (!__pyx_t_2) {
  } else {
    __pyx_t_1 = __pyx_t_2;
    goto __pyx_L3_bool_binop_done;
  }
 1235:         (
+1236:             (<uint8_t*>cursor.chunk.buffers[0])[cursor.offset // 8] &
  __pyx_t_2 = (((((uint8_t *)(__pyx_v_cursor->chunk->buffers[0]))[(__pyx_v_cursor->offset / 8)]) & (1 << (__pyx_v_cursor->offset % 8))) != 0);
  __pyx_t_1 = __pyx_t_2;
  __pyx_L3_bool_binop_done:;
  __pyx_r = __pyx_t_1;
  goto __pyx_L0;
 1237:             (1 << (cursor.offset % 8))))
 1238: 
 1239: 
+1240: cdef inline void _dataframe_arrow_get_cat_value(
static CYTHON_INLINE void __pyx_f_7questdb_7ingress__dataframe_arrow_get_cat_value(struct __pyx_t_7questdb_7ingress_col_cursor_t *__pyx_v_cursor, size_t __pyx_v_key, size_t *__pyx_v_len_out, char const **__pyx_v_buf_out) {
  int32_t *__pyx_v_value_index_access;
  int32_t __pyx_v_value_begin;
  uint8_t *__pyx_v_value_char_access;
/* … */
  /* function exit code */
}
 1241:         col_cursor_t* cursor,
 1242:         size_t key,
 1243:         size_t* len_out,
 1244:         const char** buf_out) noexcept nogil:
 1245:     cdef int32_t* value_index_access
 1246:     cdef int32_t value_begin
 1247:     cdef uint8_t* value_char_access
+1248:     value_index_access = <int32_t*>cursor.chunk.dictionary.buffers[1]
  __pyx_v_value_index_access = ((int32_t *)(__pyx_v_cursor->chunk->dictionary->buffers[1]));
+1249:     value_begin = value_index_access[key]
  __pyx_v_value_begin = (__pyx_v_value_index_access[__pyx_v_key]);
+1250:     len_out[0] = value_index_access[key + 1] - value_begin
  (__pyx_v_len_out[0]) = ((__pyx_v_value_index_access[(__pyx_v_key + 1)]) - __pyx_v_value_begin);
+1251:     value_char_access = <uint8_t*>cursor.chunk.dictionary.buffers[2]
  __pyx_v_value_char_access = ((uint8_t *)(__pyx_v_cursor->chunk->dictionary->buffers[2]));
+1252:     buf_out[0] = <const char*>&value_char_access[value_begin]
  (__pyx_v_buf_out[0]) = ((char const *)(&(__pyx_v_value_char_access[__pyx_v_value_begin])));
 1253: 
 1254: 
+1255: cdef inline bint _dataframe_arrow_get_cat_i8(
static CYTHON_INLINE int __pyx_f_7questdb_7ingress__dataframe_arrow_get_cat_i8(struct __pyx_t_7questdb_7ingress_col_cursor_t *__pyx_v_cursor, size_t *__pyx_v_len_out, char const **__pyx_v_buf_out) {
  int __pyx_v_valid;
  int8_t *__pyx_v_key_access;
  int8_t __pyx_v_key;
  int __pyx_r;
/* … */
  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}
 1256:         col_cursor_t* cursor, size_t* len_out, const char** buf_out) noexcept nogil:
+1257:     cdef bint valid = _dataframe_arrow_is_valid(cursor)
  __pyx_v_valid = __pyx_f_7questdb_7ingress__dataframe_arrow_is_valid(__pyx_v_cursor);
 1258:     cdef int8_t* key_access
 1259:     cdef int8_t key
+1260:     if valid:
  if (__pyx_v_valid) {
/* … */
  }
+1261:         key_access = <int8_t*>cursor.chunk.buffers[1]
    __pyx_v_key_access = ((int8_t *)(__pyx_v_cursor->chunk->buffers[1]));
+1262:         key = key_access[cursor.offset]
    __pyx_v_key = (__pyx_v_key_access[__pyx_v_cursor->offset]);
+1263:         _dataframe_arrow_get_cat_value(cursor, <size_t>key, len_out, buf_out)
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+1264:     return valid
  __pyx_r = __pyx_v_valid;
  goto __pyx_L0;
 1265: 
 1266: 
+1267: cdef inline bint _dataframe_arrow_get_cat_i16(
static CYTHON_INLINE int __pyx_f_7questdb_7ingress__dataframe_arrow_get_cat_i16(struct __pyx_t_7questdb_7ingress_col_cursor_t *__pyx_v_cursor, size_t *__pyx_v_len_out, char const **__pyx_v_buf_out) {
  int __pyx_v_valid;
  int16_t *__pyx_v_key_access;
  int16_t __pyx_v_key;
  int __pyx_r;
/* … */
  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}
 1268:         col_cursor_t* cursor, size_t* len_out, const char** buf_out) noexcept nogil:
+1269:     cdef bint valid = _dataframe_arrow_is_valid(cursor)
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 1270:     cdef int16_t* key_access
 1271:     cdef int16_t key
+1272:     if valid:
  if (__pyx_v_valid) {
/* … */
  }
+1273:         key_access = <int16_t*>cursor.chunk.buffers[1]
    __pyx_v_key_access = ((int16_t *)(__pyx_v_cursor->chunk->buffers[1]));
+1274:         key = key_access[cursor.offset]
    __pyx_v_key = (__pyx_v_key_access[__pyx_v_cursor->offset]);
+1275:         _dataframe_arrow_get_cat_value(cursor, <size_t>key, len_out, buf_out)
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+1276:     return valid
  __pyx_r = __pyx_v_valid;
  goto __pyx_L0;
 1277: 
 1278: 
+1279: cdef inline bint _dataframe_arrow_get_cat_i32(
static CYTHON_INLINE int __pyx_f_7questdb_7ingress__dataframe_arrow_get_cat_i32(struct __pyx_t_7questdb_7ingress_col_cursor_t *__pyx_v_cursor, size_t *__pyx_v_len_out, char const **__pyx_v_buf_out) {
  int __pyx_v_valid;
  int32_t *__pyx_v_key_access;
  int32_t __pyx_v_key;
  int __pyx_r;
/* … */
  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}
 1280:         col_cursor_t* cursor, size_t* len_out, const char** buf_out) noexcept nogil:
+1281:     cdef bint valid = _dataframe_arrow_is_valid(cursor)
  __pyx_v_valid = __pyx_f_7questdb_7ingress__dataframe_arrow_is_valid(__pyx_v_cursor);
 1282:     cdef int32_t* key_access
 1283:     cdef int32_t key
+1284:     if valid:
  if (__pyx_v_valid) {
/* … */
  }
+1285:         key_access = <int32_t*>cursor.chunk.buffers[1]
    __pyx_v_key_access = ((int32_t *)(__pyx_v_cursor->chunk->buffers[1]));
+1286:         key = key_access[cursor.offset]
    __pyx_v_key = (__pyx_v_key_access[__pyx_v_cursor->offset]);
+1287:         _dataframe_arrow_get_cat_value(cursor, <size_t>key, len_out, buf_out)
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+1288:     return valid
  __pyx_r = __pyx_v_valid;
  goto __pyx_L0;
 1289: 
 1290: 
+1291: cdef inline bint _dataframe_arrow_str_utf8(
static CYTHON_INLINE int __pyx_f_7questdb_7ingress__dataframe_arrow_str_utf8(struct __pyx_t_7questdb_7ingress_col_cursor_t *__pyx_v_cursor, size_t *__pyx_v_len_out, char const **__pyx_v_buf_out) {
  int32_t *__pyx_v_index_access;
  uint8_t *__pyx_v_char_access;
  int32_t __pyx_v_begin;
  int __pyx_v_valid;
  int __pyx_r;
/* … */
  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}
 1292:         col_cursor_t* cursor,
 1293:         size_t* len_out,
 1294:         const char** buf_out) noexcept nogil:
 1295:     cdef int32_t* index_access
 1296:     cdef uint8_t* char_access
 1297:     cdef int32_t begin
+1298:     cdef bint valid = _dataframe_arrow_is_valid(cursor)
  __pyx_v_valid = __pyx_f_7questdb_7ingress__dataframe_arrow_is_valid(__pyx_v_cursor);
+1299:     if valid:
  if (__pyx_v_valid) {
/* … */
  }
+1300:         index_access = <int32_t*>cursor.chunk.buffers[1]
    __pyx_v_index_access = ((int32_t *)(__pyx_v_cursor->chunk->buffers[1]));
+1301:         char_access = <uint8_t*>cursor.chunk.buffers[2]
    __pyx_v_char_access = ((uint8_t *)(__pyx_v_cursor->chunk->buffers[2]));
+1302:         begin = index_access[cursor.offset]
    __pyx_v_begin = (__pyx_v_index_access[__pyx_v_cursor->offset]);
+1303:         len_out[0] = index_access[cursor.offset + 1] - begin
    (__pyx_v_len_out[0]) = ((__pyx_v_index_access[(__pyx_v_cursor->offset + 1)]) - __pyx_v_begin);
+1304:         buf_out[0] = <const char*>&char_access[begin]
    (__pyx_v_buf_out[0]) = ((char const *)(&(__pyx_v_char_access[__pyx_v_begin])));
+1305:     return valid
  __pyx_r = __pyx_v_valid;
  goto __pyx_L0;
 1306: 
+1307: cdef inline bint _dataframe_arrow_str_utf8_lrg(
static CYTHON_INLINE int __pyx_f_7questdb_7ingress__dataframe_arrow_str_utf8_lrg(struct __pyx_t_7questdb_7ingress_col_cursor_t *__pyx_v_cursor, size_t *__pyx_v_len_out, char const **__pyx_v_buf_out) {
  int64_t *__pyx_v_index_access;
  uint8_t *__pyx_v_char_access;
  int64_t __pyx_v_begin;
  int __pyx_v_valid;
  int __pyx_r;
/* … */
  /* function exit code */
  __pyx_L0:;
  return __pyx_r;
}
 1308:         col_cursor_t* cursor,
 1309:         size_t* len_out,
 1310:         const char** buf_out) noexcept nogil:
 1311:     cdef int64_t* index_access
 1312:     cdef uint8_t* char_access
 1313:     cdef int64_t begin
+1314:     cdef bint valid = _dataframe_arrow_is_valid(cursor)
  __pyx_v_valid = __pyx_f_7questdb_7ingress__dataframe_arrow_is_valid(__pyx_v_cursor);
+1315:     if valid:
  if (__pyx_v_valid) {
/* … */
  }
+1316:         index_access = <int64_t*>cursor.chunk.buffers[1]
    __pyx_v_index_access = ((int64_t *)(__pyx_v_cursor->chunk->buffers[1]));
+1317:         char_access = <uint8_t*>cursor.chunk.buffers[2]
    __pyx_v_char_access = ((uint8_t *)(__pyx_v_cursor->chunk->buffers[2]));
+1318:         begin = index_access[cursor.offset]
    __pyx_v_begin = (__pyx_v_index_access[__pyx_v_cursor->offset]);
+1319:         len_out[0] = index_access[cursor.offset + 1] - begin
    (__pyx_v_len_out[0]) = ((__pyx_v_index_access[(__pyx_v_cursor->offset + 1)]) - __pyx_v_begin);
+1320:         buf_out[0] = <const char*>&char_access[begin]
    (__pyx_v_buf_out[0]) = ((char const *)(&(__pyx_v_char_access[__pyx_v_begin])));
+1321:     return valid
  __pyx_r = __pyx_v_valid;
  goto __pyx_L0;
 1322: 
 1323: 
+1324: cdef inline void_int _dataframe_cell_str_pyobj_to_utf8(
static CYTHON_INLINE __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_cell_str_pyobj_to_utf8(struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_cursor_t *__pyx_v_cursor, int *__pyx_v_valid_out, struct line_sender_utf8 *__pyx_v_utf8_out) {
  PyObject **__pyx_v_access;
  PyObject *__pyx_v_cell;
  __pyx_t_7questdb_7ingress_void_int __pyx_r;
/* … */
  /* function exit code */
  __pyx_r = 0;
  goto __pyx_L0;
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  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
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  __pyx_r = -1;
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}
 1325:         qdb_pystr_buf* b,
 1326:         col_cursor_t* cursor,
 1327:         bint* valid_out,
 1328:         line_sender_utf8* utf8_out) except -1:
+1329:     cdef PyObject** access = <PyObject**>cursor.chunk.buffers[1]
  __pyx_v_access = ((PyObject **)(__pyx_v_cursor->chunk->buffers[1]));
+1330:     cdef PyObject* cell = access[cursor.offset]
  __pyx_v_cell = (__pyx_v_access[__pyx_v_cursor->offset]);
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  __pyx_t_1 = PyUnicode_CheckExact(__pyx_v_cell);
  if (__pyx_t_1) {
/* … */
    goto __pyx_L3;
  }
+1332:         str_to_utf8(b, cell, utf8_out)
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  __pyx_t_1 = __pyx_f_7questdb_7ingress__dataframe_is_null_pyobj(__pyx_v_cell);
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/* … */
    goto __pyx_L3;
  }
+1335:         valid_out[0] = False
    (__pyx_v_valid_out[0]) = 0;
 1336:     else:
+1337:         raise ValueError(
  /*else*/ {
    __pyx_t_4 = NULL;
    __Pyx_INCREF(__pyx_builtin_ValueError);
    __pyx_t_5 = __pyx_builtin_ValueError; 
 1338:             'Expected a string, ' +
+1339:             f'got an object of type {_fqn(type(<object>cell))}.')
    __pyx_t_6 = __pyx_f_7questdb_7ingress__fqn(((PyTypeObject*)((PyObject *)Py_TYPE(((PyObject *)__pyx_v_cell))))); if (unlikely(!__pyx_t_6)) __PYX_ERR(1, 1339, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_6);
    __pyx_t_7 = __Pyx_PyUnicode_Unicode(__pyx_t_6); if (unlikely(!__pyx_t_7)) __PYX_ERR(1, 1339, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_7);
    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    __pyx_t_8[0] = __pyx_mstate_global->__pyx_kp_u_Expected_a_string_got_an_object;
    __pyx_t_8[1] = __pyx_t_7;
    __pyx_t_8[2] = __pyx_mstate_global->__pyx_kp_u_;
    __pyx_t_6 = __Pyx_PyUnicode_Join(__pyx_t_8, 3, 41 + __Pyx_PyUnicode_GET_LENGTH(__pyx_t_7) + 1, 127 | __Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_7));
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      PyObject *__pyx_callargs[2] = {__pyx_t_4, __pyx_t_6};
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 1340: 
 1341: 
+1342: cdef void_int _dataframe_serialize_cell_table__str_pyobj(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_table__str_pyobj(struct line_sender_buffer *__pyx_v_ls_buf, struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col) {
  struct line_sender_error *__pyx_v_err;
  PyObject **__pyx_v_access;
  PyObject *__pyx_v_cell;
  struct line_sender_table_name __pyx_v_c_table_name;
  __pyx_t_7questdb_7ingress_void_int __pyx_r;
/* … */
  /* function exit code */
  __pyx_r = 0;
  goto __pyx_L0;
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  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_AddTraceback("questdb.ingress._dataframe_serialize_cell_table__str_pyobj", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = -1;
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}
 1343:         line_sender_buffer* ls_buf,
 1344:         qdb_pystr_buf* b,
 1345:         col_t* col) except -1:
+1346:     cdef line_sender_error* err = NULL
  __pyx_v_err = NULL;
+1347:     cdef PyObject** access = <PyObject**>col.cursor.chunk.buffers[1]
  __pyx_v_access = ((PyObject **)(__pyx_v_col->cursor.chunk->buffers[1]));
+1348:     cdef PyObject* cell = access[col.cursor.offset]
  __pyx_v_cell = (__pyx_v_access[__pyx_v_col->cursor.offset]);
 1349:     cdef line_sender_table_name c_table_name
+1350:     if not PyUnicode_CheckExact(cell):
  __pyx_t_1 = (!PyUnicode_CheckExact(__pyx_v_cell));
  if (__pyx_t_1) {
/* … */
  }
+1351:         if _dataframe_is_null_pyobj(cell):
    __pyx_t_1 = __pyx_f_7questdb_7ingress__dataframe_is_null_pyobj(__pyx_v_cell);
    if (unlikely(__pyx_t_1)) {
/* … */
    }
+1352:             raise ValueError('Expected a table name, got a null value')
      __pyx_t_3 = NULL;
      __Pyx_INCREF(__pyx_builtin_ValueError);
      __pyx_t_4 = __pyx_builtin_ValueError; 
      __pyx_t_5 = 1;
      {
        PyObject *__pyx_callargs[2] = {__pyx_t_3, __pyx_mstate_global->__pyx_kp_u_Expected_a_table_name_got_a_null};
        __pyx_t_2 = __Pyx_PyObject_FastCall(__pyx_t_4, __pyx_callargs+__pyx_t_5, (2-__pyx_t_5) | (__pyx_t_5*__Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET));
        __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
        if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1352, __pyx_L1_error)
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      __Pyx_Raise(__pyx_t_2, 0, 0, 0);
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __PYX_ERR(1, 1352, __pyx_L1_error)
 1353:         else:
+1354:             raise ValueError(
    /*else*/ {
      __pyx_t_4 = NULL;
      __Pyx_INCREF(__pyx_builtin_ValueError);
      __pyx_t_3 = __pyx_builtin_ValueError; 
 1355:                 'Expected a table name (str object), ' +
+1356:                 f'got an object of type {_fqn(type(<object>cell))}.')
      __pyx_t_6 = __pyx_f_7questdb_7ingress__fqn(((PyTypeObject*)((PyObject *)Py_TYPE(((PyObject *)__pyx_v_cell))))); if (unlikely(!__pyx_t_6)) __PYX_ERR(1, 1356, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_6);
      __pyx_t_7 = __Pyx_PyUnicode_Unicode(__pyx_t_6); if (unlikely(!__pyx_t_7)) __PYX_ERR(1, 1356, __pyx_L1_error)
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      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      __pyx_t_8[0] = __pyx_mstate_global->__pyx_kp_u_Expected_a_table_name_str_object;
      __pyx_t_8[1] = __pyx_t_7;
      __pyx_t_8[2] = __pyx_mstate_global->__pyx_kp_u_;
      __pyx_t_6 = __Pyx_PyUnicode_Join(__pyx_t_8, 3, 58 + __Pyx_PyUnicode_GET_LENGTH(__pyx_t_7) + 1, 127 | __Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_7));
      if (unlikely(!__pyx_t_6)) __PYX_ERR(1, 1356, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_6);
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
      __pyx_t_5 = 1;
      {
        PyObject *__pyx_callargs[2] = {__pyx_t_4, __pyx_t_6};
        __pyx_t_2 = __Pyx_PyObject_FastCall(__pyx_t_3, __pyx_callargs+__pyx_t_5, (2-__pyx_t_5) | (__pyx_t_5*__Pyx_PY_VECTORCALL_ARGUMENTS_OFFSET));
        __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
        __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
        if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1354, __pyx_L1_error)
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+1357:     str_to_table_name(b, cell, &c_table_name)
  __pyx_t_9 = __pyx_f_7questdb_7ingress_str_to_table_name(__pyx_v_b, __pyx_v_cell, (&__pyx_v_c_table_name)); if (unlikely(__pyx_t_9 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 1357, __pyx_L1_error)
+1358:     if not line_sender_buffer_table(ls_buf, c_table_name, &err):
  __pyx_t_1 = (!line_sender_buffer_table(__pyx_v_ls_buf, __pyx_v_c_table_name, (&__pyx_v_err)));
  if (unlikely(__pyx_t_1)) {
/* … */
  }
+1359:         raise c_err_to_py(err)
    __pyx_t_2 = __pyx_f_7questdb_7ingress_c_err_to_py(__pyx_v_err); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1359, __pyx_L1_error)
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 1360: 
 1361: 
+1362: cdef void_int _dataframe_serialize_cell_table__str_utf8_arrow(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_table__str_utf8_arrow(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
  struct line_sender_error *__pyx_v_err;
  size_t __pyx_v_c_len;
  char const *__pyx_v_buf;
  struct line_sender_table_name __pyx_v_c_table_name;
  __pyx_t_7questdb_7ingress_void_int __pyx_r;
/* … */
  /* function exit code */
  __pyx_r = 0;
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_2);
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  __Pyx_AddTraceback("questdb.ingress._dataframe_serialize_cell_table__str_utf8_arrow", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = -1;
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}
 1363:         line_sender_buffer* ls_buf,
 1364:         qdb_pystr_buf* b,
 1365:         col_t* col,
 1366:         PyThreadState** gs) except -1:
+1367:     cdef line_sender_error* err = NULL
  __pyx_v_err = NULL;
 1368:     cdef size_t c_len
 1369:     cdef const char* buf
 1370:     cdef line_sender_table_name c_table_name
+1371:     if _dataframe_arrow_str_utf8(&col.cursor, &c_len, &buf):
  __pyx_t_1 = __pyx_f_7questdb_7ingress__dataframe_arrow_str_utf8((&__pyx_v_col->cursor), (&__pyx_v_c_len), (&__pyx_v_buf));
  if (likely(__pyx_t_1)) {
/* … */
    goto __pyx_L3;
  }
+1372:         if not line_sender_table_name_init(&c_table_name, c_len, buf, &err):
    __pyx_t_1 = (!line_sender_table_name_init((&__pyx_v_c_table_name), __pyx_v_c_len, __pyx_v_buf, (&__pyx_v_err)));
    if (unlikely(__pyx_t_1)) {
/* … */
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+1373:             _ensure_has_gil(gs)
      __pyx_f_7questdb_7ingress__ensure_has_gil(__pyx_v_gs); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 1373, __pyx_L1_error)
+1374:             raise c_err_to_py(err)
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+1375:         if not line_sender_buffer_table(ls_buf, c_table_name, &err):
    __pyx_t_1 = (!line_sender_buffer_table(__pyx_v_ls_buf, __pyx_v_c_table_name, (&__pyx_v_err)));
    if (unlikely(__pyx_t_1)) {
/* … */
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+1376:             _ensure_has_gil(gs)
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+1377:             raise c_err_to_py(err)
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      __PYX_ERR(1, 1377, __pyx_L1_error)
 1378:     else:
+1379:         _ensure_has_gil(gs)
  /*else*/ {
    __pyx_f_7questdb_7ingress__ensure_has_gil(__pyx_v_gs); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 1379, __pyx_L1_error)
+1380:         raise ValueError('Table name cannot be null')
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+1382: cdef void_int _dataframe_serialize_cell_table__str_lrg_utf8_arrow(
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/* … */
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/* … */
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/* … */
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+1403: cdef void_int _dataframe_serialize_cell_table__str_i8_cat(
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/* … */
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/* … */
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/* … */
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/* … */
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 1423: 
+1424: cdef void_int _dataframe_serialize_cell_table__str_i16_cat(
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/* … */
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 1430:     cdef size_t c_len
 1431:     cdef const char* c_buf
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/* … */
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/* … */
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/* … */
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/* … */
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/* … */
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/* … */
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 1465: 
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static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_symbol__str_pyobj(struct line_sender_buffer *__pyx_v_ls_buf, struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col) {
  struct line_sender_error *__pyx_v_err;
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/* … */
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 1467:         line_sender_buffer* ls_buf,
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+1470:     cdef line_sender_error* err = NULL
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/* … */
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+1475:         raise c_err_to_py(err)
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 1476: 
 1477: 
+1478: cdef void_int _dataframe_serialize_cell_symbol__str_utf8_arrow(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_symbol__str_utf8_arrow(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
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/* … */
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 1479:         line_sender_buffer* ls_buf,
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 1482:         PyThreadState** gs) except -1:
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  __pyx_v_err = NULL;
 1484:     cdef line_sender_utf8 utf8
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  if (__pyx_t_1) {
/* … */
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+1486:         if not line_sender_buffer_symbol(ls_buf, col.name, utf8, &err):
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/* … */
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+1487:             _ensure_has_gil(gs)
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+1488:             raise c_err_to_py(err)
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+1490: cdef void_int _dataframe_serialize_cell_symbol__str_lrg_utf8_arrow(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_symbol__str_lrg_utf8_arrow(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
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/* … */
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 1491:         line_sender_buffer* ls_buf,
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 1496:     cdef line_sender_utf8 utf8
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/* … */
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/* … */
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 1502: 
+1503: cdef void_int _dataframe_serialize_cell_symbol__str_i8_cat(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_symbol__str_i8_cat(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
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/* … */
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 1504:         line_sender_buffer* ls_buf,
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 1507:         PyThreadState** gs) except -1:
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 1509:     cdef line_sender_utf8 utf8
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/* … */
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+1511:         if not line_sender_buffer_symbol(ls_buf, col.name, utf8, &err):
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/* … */
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+1513:             raise c_err_to_py(err)
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 1515: 
+1516: cdef void_int _dataframe_serialize_cell_symbol__str_i16_cat(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_symbol__str_i16_cat(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
  struct line_sender_error *__pyx_v_err;
  struct line_sender_utf8 __pyx_v_utf8;
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/* … */
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 1517:         line_sender_buffer* ls_buf,
 1518:         qdb_pystr_buf* b,
 1519:         col_t* col,
 1520:         PyThreadState** gs) except -1:
+1521:     cdef line_sender_error* err = NULL
  __pyx_v_err = NULL;
 1522:     cdef line_sender_utf8 utf8
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/* … */
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/* … */
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 1528: 
+1529: cdef void_int _dataframe_serialize_cell_symbol__str_i32_cat(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_symbol__str_i32_cat(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
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/* … */
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 1530:         line_sender_buffer* ls_buf,
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 1533:         PyThreadState** gs) except -1:
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 1535:     cdef line_sender_utf8 utf8
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/* … */
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/* … */
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 1541: 
+1542: cdef void_int _dataframe_serialize_cell_column_bool__bool_pyobj(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_bool__bool_pyobj(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col) {
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/* … */
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 1543:         line_sender_buffer* ls_buf,
 1544:         qdb_pystr_buf* b,
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/* … */
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/* … */
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/* … */
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 1562:         line_sender_buffer* ls_buf,
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/* … */
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 1573: 
+1574: cdef void_int _dataframe_serialize_cell_column_bool__bool_arrow(
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/* … */
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 1575:         line_sender_buffer* ls_buf,
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/* … */
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/* … */
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+1592: cdef void_int _dataframe_serialize_cell_column_i64__int_pyobj(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__int_pyobj(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col) {
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/* … */
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 1593:         line_sender_buffer* ls_buf,
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/* … */
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    __pyx_v_value = __pyx_t_2;
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/* … */
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+1608:             'Expected an object of type int, got an object of type ' +
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 1611: 
+1612: cdef void_int _dataframe_serialize_cell_column_i64__u8_numpy(
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/* … */
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 1613:         line_sender_buffer* ls_buf,
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 1616:         PyThreadState** gs) except -1:
+1617:     cdef line_sender_error* err = NULL
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+1620:     if not line_sender_buffer_column_i64(ls_buf, col.name, <int64_t>cell, &err):
  __pyx_t_1 = (!line_sender_buffer_column_i64(__pyx_v_ls_buf, __pyx_v_col->name, ((int64_t)__pyx_v_cell), (&__pyx_v_err)));
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/* … */
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+1622:         raise c_err_to_py(err)
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 1623: 
 1624: 
+1625: cdef void_int _dataframe_serialize_cell_column_i64__i8_numpy(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__i8_numpy(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
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/* … */
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 1626:         line_sender_buffer* ls_buf,
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 1629:         PyThreadState** gs) except -1:
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+1633:     if not line_sender_buffer_column_i64(ls_buf, col.name, <int64_t>cell, &err):
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/* … */
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+1635:         raise c_err_to_py(err)
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 1636: 
 1637: 
+1638: cdef void_int _dataframe_serialize_cell_column_i64__u16_numpy(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__u16_numpy(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
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/* … */
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 1639:         line_sender_buffer* ls_buf,
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/* … */
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 1650: 
+1651: cdef void_int _dataframe_serialize_cell_column_i64__i16_numpy(
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/* … */
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 1652:         line_sender_buffer* ls_buf,
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/* … */
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 1663: 
+1664: cdef void_int _dataframe_serialize_cell_column_i64__u32_numpy(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__u32_numpy(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
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/* … */
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 1665:         line_sender_buffer* ls_buf,
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/* … */
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    __pyx_f_7questdb_7ingress__ensure_has_gil(__pyx_v_gs); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 1673, __pyx_L1_error)
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 1676: 
+1677: cdef void_int _dataframe_serialize_cell_column_i64__i32_numpy(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__i32_numpy(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
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/* … */
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 1678:         line_sender_buffer* ls_buf,
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/* … */
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+1690: cdef void_int _dataframe_serialize_cell_column_i64__u64_numpy(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__u64_numpy(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
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/* … */
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 1691:         line_sender_buffer* ls_buf,
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/* … */
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/* … */
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static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__i64_numpy(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
  struct line_sender_error *__pyx_v_err;
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/* … */
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 1707:         line_sender_buffer* ls_buf,
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 1710:         PyThreadState** gs) except -1:
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/* … */
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    __pyx_f_7questdb_7ingress__ensure_has_gil(__pyx_v_gs); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 1715, __pyx_L1_error)
+1716:         raise c_err_to_py(err)
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 1717: 
 1718: 
+1719: cdef void_int _dataframe_serialize_cell_column_i64__u8_arrow(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__u8_arrow(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
  struct line_sender_error *__pyx_v_err;
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  uint8_t *__pyx_v_access;
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/* … */
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  __Pyx_AddTraceback("questdb.ingress._dataframe_serialize_cell_column_i64__u8_arrow", __pyx_clineno, __pyx_lineno, __pyx_filename);
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 1720:         line_sender_buffer* ls_buf,
 1721:         qdb_pystr_buf* b,
 1722:         col_t* col,
 1723:         PyThreadState** gs) except -1:
+1724:     cdef line_sender_error* err = NULL
  __pyx_v_err = NULL;
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  __pyx_v_valid = __pyx_f_7questdb_7ingress__dataframe_arrow_is_valid((&__pyx_v_col->cursor));
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/* … */
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    __pyx_v_access = ((uint8_t *)(__pyx_v_col->cursor.chunk->buffers[1]));
+1729:         if not line_sender_buffer_column_i64(
    __pyx_t_1 = (!line_sender_buffer_column_i64(__pyx_v_ls_buf, __pyx_v_col->name, ((int64_t)(__pyx_v_access[__pyx_v_col->cursor.offset])), (&__pyx_v_err)));
    if (unlikely(__pyx_t_1)) {
/* … */
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 1731:                 col.name,
 1732:                 <int64_t>access[col.cursor.offset],
 1733:                 &err):
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      __pyx_f_7questdb_7ingress__ensure_has_gil(__pyx_v_gs); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 1734, __pyx_L1_error)
+1735:             raise c_err_to_py(err)
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 1736: 
 1737: 
+1738: cdef void_int _dataframe_serialize_cell_column_i64__i8_arrow(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__i8_arrow(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
  struct line_sender_error *__pyx_v_err;
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/* … */
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}
 1739:         line_sender_buffer* ls_buf,
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 1742:         PyThreadState** gs) except -1:
+1743:     cdef line_sender_error* err = NULL
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/* … */
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+1747:         access = <int8_t*>col.cursor.chunk.buffers[1]
    __pyx_v_access = ((int8_t *)(__pyx_v_col->cursor.chunk->buffers[1]));
+1748:         if not line_sender_buffer_column_i64(
    __pyx_t_1 = (!line_sender_buffer_column_i64(__pyx_v_ls_buf, __pyx_v_col->name, ((int64_t)(__pyx_v_access[__pyx_v_col->cursor.offset])), (&__pyx_v_err)));
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/* … */
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 1749:                 ls_buf,
 1750:                 col.name,
 1751:                 <int64_t>access[col.cursor.offset],
 1752:                 &err):
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      __pyx_f_7questdb_7ingress__ensure_has_gil(__pyx_v_gs); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 1753, __pyx_L1_error)
+1754:             raise c_err_to_py(err)
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 1756: 
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static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__u16_arrow(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
  struct line_sender_error *__pyx_v_err;
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/* … */
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 1758:         line_sender_buffer* ls_buf,
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+1762:     cdef line_sender_error* err = NULL
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 1764:     cdef uint16_t* access
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/* … */
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/* … */
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 1775: 
+1776: cdef void_int _dataframe_serialize_cell_column_i64__i16_arrow(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__i16_arrow(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
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/* … */
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 1777:         line_sender_buffer* ls_buf,
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/* … */
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/* … */
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 1794: 
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/* … */
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 1796:         line_sender_buffer* ls_buf,
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/* … */
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/* … */
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 1813: 
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/* … */
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/* … */
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/* … */
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/* … */
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/* … */
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/* … */
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/* … */
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/* … */
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/* … */
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  __pyx_v_access = ((PyObject **)(__pyx_v_col->cursor.chunk->buffers[1]));
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  __pyx_v_cell = (__pyx_v_access[__pyx_v_col->cursor.offset]);
 1883:     cdef double value
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  __pyx_t_1 = PyFloat_CheckExact(__pyx_v_cell);
  if (__pyx_t_1) {
/* … */
    goto __pyx_L3;
  }
+1885:         value = PyFloat_AS_DOUBLE(cell)
    __pyx_v_value = PyFloat_AS_DOUBLE(__pyx_v_cell);
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    __pyx_t_1 = (!line_sender_buffer_column_f64(__pyx_v_ls_buf, __pyx_v_col->name, __pyx_v_value, (&__pyx_v_err)));
    if (unlikely(__pyx_t_1)) {
/* … */
    }
+1887:             raise c_err_to_py(err)
      __pyx_t_2 = __pyx_f_7questdb_7ingress_c_err_to_py(__pyx_v_err); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1887, __pyx_L1_error)
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      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __PYX_ERR(1, 1887, __pyx_L1_error)
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  __pyx_t_1 = __pyx_f_7questdb_7ingress__dataframe_is_null_pyobj(__pyx_v_cell);
  if (likely(__pyx_t_1)) {
    goto __pyx_L3;
  }
 1889:         pass
 1890:     else:
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    __pyx_t_3 = NULL;
    __Pyx_INCREF(__pyx_builtin_ValueError);
    __pyx_t_4 = __pyx_builtin_ValueError; 
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/* … */
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 1894: 
 1895: 
+1896: cdef void_int _dataframe_serialize_cell_column_f64__f32_numpy(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_f64__f32_numpy(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
  struct line_sender_error *__pyx_v_err;
  float *__pyx_v_access;
  float __pyx_v_cell;
  __pyx_t_7questdb_7ingress_void_int __pyx_r;
/* … */
  /* function exit code */
  __pyx_r = 0;
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  __pyx_L1_error:;
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  __pyx_L0:;
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}
 1897:         line_sender_buffer* ls_buf,
 1898:         qdb_pystr_buf* b,
 1899:         col_t* col,
 1900:         PyThreadState** gs) except -1:
+1901:     cdef line_sender_error* err = NULL
  __pyx_v_err = NULL;
 1902:     # Note: This is the C `float` type, not the Python `float` type.
+1903:     cdef float* access = <float*>col.cursor.chunk.buffers[1]
  __pyx_v_access = ((float *)(__pyx_v_col->cursor.chunk->buffers[1]));
+1904:     cdef float cell = access[col.cursor.offset]
  __pyx_v_cell = (__pyx_v_access[__pyx_v_col->cursor.offset]);
+1905:     if not line_sender_buffer_column_f64(ls_buf, col.name, <double>cell, &err):
  __pyx_t_1 = (!line_sender_buffer_column_f64(__pyx_v_ls_buf, __pyx_v_col->name, ((double)__pyx_v_cell), (&__pyx_v_err)));
  if (unlikely(__pyx_t_1)) {
/* … */
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+1906:         _ensure_has_gil(gs)
    __pyx_f_7questdb_7ingress__ensure_has_gil(__pyx_v_gs); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 1906, __pyx_L1_error)
+1907:         raise c_err_to_py(err)
    __pyx_t_2 = __pyx_f_7questdb_7ingress_c_err_to_py(__pyx_v_err); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1907, __pyx_L1_error)
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 1908: 
 1909: 
+1910: cdef void_int _dataframe_serialize_cell_column_f64__f64_numpy(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_f64__f64_numpy(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
  struct line_sender_error *__pyx_v_err;
  double *__pyx_v_access;
  double __pyx_v_cell;
  __pyx_t_7questdb_7ingress_void_int __pyx_r;
/* … */
  /* function exit code */
  __pyx_r = 0;
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  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_2);
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 1911:         line_sender_buffer* ls_buf,
 1912:         qdb_pystr_buf* b,
 1913:         col_t* col,
 1914:         PyThreadState** gs) except -1:
+1915:     cdef line_sender_error* err = NULL
  __pyx_v_err = NULL;
+1916:     cdef double* access = <double*>col.cursor.chunk.buffers[1]
  __pyx_v_access = ((double *)(__pyx_v_col->cursor.chunk->buffers[1]));
+1917:     cdef double cell = access[col.cursor.offset]
  __pyx_v_cell = (__pyx_v_access[__pyx_v_col->cursor.offset]);
+1918:     if not line_sender_buffer_column_f64(ls_buf, col.name, cell, &err):
  __pyx_t_1 = (!line_sender_buffer_column_f64(__pyx_v_ls_buf, __pyx_v_col->name, __pyx_v_cell, (&__pyx_v_err)));
  if (unlikely(__pyx_t_1)) {
/* … */
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+1919:         _ensure_has_gil(gs)
    __pyx_f_7questdb_7ingress__ensure_has_gil(__pyx_v_gs); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 1919, __pyx_L1_error)
+1920:         raise c_err_to_py(err)
    __pyx_t_2 = __pyx_f_7questdb_7ingress_c_err_to_py(__pyx_v_err); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1920, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_Raise(__pyx_t_2, 0, 0, 0);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
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 1921: 
 1922: 
+1923: cdef void_int _dataframe_serialize_cell_column_f64__f32_arrow(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_f64__f32_arrow(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
  struct line_sender_error *__pyx_v_err;
  int __pyx_v_valid;
  float *__pyx_v_access;
  __pyx_t_7questdb_7ingress_void_int __pyx_r;
/* … */
  /* function exit code */
  __pyx_r = 0;
  goto __pyx_L0;
  __pyx_L1_error:;
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  __Pyx_AddTraceback("questdb.ingress._dataframe_serialize_cell_column_f64__f32_arrow", __pyx_clineno, __pyx_lineno, __pyx_filename);
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  return __pyx_r;
}
 1924:         line_sender_buffer* ls_buf,
 1925:         qdb_pystr_buf* b,
 1926:         col_t* col,
 1927:         PyThreadState** gs) except -1:
+1928:     cdef line_sender_error* err = NULL
  __pyx_v_err = NULL;
+1929:     cdef bint valid = _dataframe_arrow_is_valid(&col.cursor)
  __pyx_v_valid = __pyx_f_7questdb_7ingress__dataframe_arrow_is_valid((&__pyx_v_col->cursor));
 1930:     cdef float* access
+1931:     if valid:
  if (__pyx_v_valid) {
/* … */
  }
+1932:         access = <float*>col.cursor.chunk.buffers[1]
    __pyx_v_access = ((float *)(__pyx_v_col->cursor.chunk->buffers[1]));
+1933:         if not line_sender_buffer_column_f64(
    __pyx_t_1 = (!line_sender_buffer_column_f64(__pyx_v_ls_buf, __pyx_v_col->name, ((double)(__pyx_v_access[__pyx_v_col->cursor.offset])), (&__pyx_v_err)));
    if (unlikely(__pyx_t_1)) {
/* … */
    }
 1934:                 ls_buf,
 1935:                 col.name,
 1936:                 <double>access[col.cursor.offset],
 1937:                 &err):
+1938:             _ensure_has_gil(gs)
      __pyx_f_7questdb_7ingress__ensure_has_gil(__pyx_v_gs); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 1938, __pyx_L1_error)
+1939:             raise c_err_to_py(err)
      __pyx_t_2 = __pyx_f_7questdb_7ingress_c_err_to_py(__pyx_v_err); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1939, __pyx_L1_error)
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      __PYX_ERR(1, 1939, __pyx_L1_error)
 1940: 
 1941: 
+1942: cdef void_int _dataframe_serialize_cell_column_f64__f64_arrow(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_f64__f64_arrow(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
  struct line_sender_error *__pyx_v_err;
  int __pyx_v_valid;
  double *__pyx_v_access;
  __pyx_t_7questdb_7ingress_void_int __pyx_r;
/* … */
  /* function exit code */
  __pyx_r = 0;
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_2);
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  __pyx_r = -1;
  __pyx_L0:;
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 1943:         line_sender_buffer* ls_buf,
 1944:         qdb_pystr_buf* b,
 1945:         col_t* col,
 1946:         PyThreadState** gs) except -1:
+1947:     cdef line_sender_error* err = NULL
  __pyx_v_err = NULL;
+1948:     cdef bint valid = _dataframe_arrow_is_valid(&col.cursor)
  __pyx_v_valid = __pyx_f_7questdb_7ingress__dataframe_arrow_is_valid((&__pyx_v_col->cursor));
 1949:     cdef double* access
+1950:     if valid:
  if (__pyx_v_valid) {
/* … */
  }
+1951:         access = <double*>col.cursor.chunk.buffers[1]
    __pyx_v_access = ((double *)(__pyx_v_col->cursor.chunk->buffers[1]));
+1952:         if not line_sender_buffer_column_f64(
    __pyx_t_1 = (!line_sender_buffer_column_f64(__pyx_v_ls_buf, __pyx_v_col->name, (__pyx_v_access[__pyx_v_col->cursor.offset]), (&__pyx_v_err)));
    if (unlikely(__pyx_t_1)) {
/* … */
    }
 1953:                 ls_buf,
 1954:                 col.name,
 1955:                 access[col.cursor.offset],
 1956:                 &err):
+1957:             _ensure_has_gil(gs)
      __pyx_f_7questdb_7ingress__ensure_has_gil(__pyx_v_gs); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 1957, __pyx_L1_error)
+1958:             raise c_err_to_py(err)
      __pyx_t_2 = __pyx_f_7questdb_7ingress_c_err_to_py(__pyx_v_err); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1958, __pyx_L1_error)
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 1959: 
 1960: 
+1961: cdef void_int _dataframe_serialize_cell_column_str__str_pyobj(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_str__str_pyobj(struct line_sender_buffer *__pyx_v_ls_buf, struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col) {
  struct line_sender_error *__pyx_v_err;
  int __pyx_v_valid;
  struct line_sender_utf8 __pyx_v_utf8;
  __pyx_t_7questdb_7ingress_void_int __pyx_r;
/* … */
  /* function exit code */
  __pyx_r = 0;
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_4);
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  __pyx_r = -1;
  __pyx_L0:;
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  return __pyx_r;
}
 1962:         line_sender_buffer* ls_buf,
 1963:         qdb_pystr_buf* b,
 1964:         col_t* col) except -1:
+1965:     cdef line_sender_error* err = NULL
  __pyx_v_err = NULL;
+1966:     cdef bint valid = False
  __pyx_v_valid = 0;
 1967:     cdef line_sender_utf8 utf8
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  __pyx_t_1 = __pyx_f_7questdb_7ingress__dataframe_cell_str_pyobj_to_utf8(__pyx_v_b, (&__pyx_v_col->cursor), (&__pyx_v_valid), (&__pyx_v_utf8)); if (unlikely(__pyx_t_1 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 1968, __pyx_L1_error)
+1969:     if valid and not line_sender_buffer_column_str(
  if (__pyx_v_valid) {
  } else {
    __pyx_t_2 = __pyx_v_valid;
    goto __pyx_L4_bool_binop_done;
  }
/* … */
  __pyx_t_3 = (!line_sender_buffer_column_str(__pyx_v_ls_buf, __pyx_v_col->name, __pyx_v_utf8, (&__pyx_v_err)));
  __pyx_t_2 = __pyx_t_3;
  __pyx_L4_bool_binop_done:;
/* … */
  if (unlikely(__pyx_t_2)) {
/* … */
  }
 1970:             ls_buf, col.name, utf8, &err):
+1971:         raise c_err_to_py(err)
    __pyx_t_4 = __pyx_f_7questdb_7ingress_c_err_to_py(__pyx_v_err); if (unlikely(!__pyx_t_4)) __PYX_ERR(1, 1971, __pyx_L1_error)
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 1972: 
 1973: 
+1974: cdef void_int _dataframe_serialize_cell_column_str__str_utf8_arrow(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_str__str_utf8_arrow(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
  struct line_sender_error *__pyx_v_err;
  struct line_sender_utf8 __pyx_v_utf8;
  __pyx_t_7questdb_7ingress_void_int __pyx_r;
/* … */
  /* function exit code */
  __pyx_r = 0;
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_AddTraceback("questdb.ingress._dataframe_serialize_cell_column_str__str_utf8_arrow", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = -1;
  __pyx_L0:;
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 1975:         line_sender_buffer* ls_buf,
 1976:         qdb_pystr_buf* b,
 1977:         col_t* col,
 1978:         PyThreadState** gs) except -1:
+1979:     cdef line_sender_error* err = NULL
  __pyx_v_err = NULL;
 1980:     cdef line_sender_utf8 utf8
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  __pyx_t_1 = __pyx_f_7questdb_7ingress__dataframe_arrow_str_utf8((&__pyx_v_col->cursor), (&__pyx_v_utf8.len), (&__pyx_v_utf8.buf));
  if (__pyx_t_1) {
/* … */
  }
+1982:         if not line_sender_buffer_column_str(ls_buf, col.name, utf8, &err):
    __pyx_t_1 = (!line_sender_buffer_column_str(__pyx_v_ls_buf, __pyx_v_col->name, __pyx_v_utf8, (&__pyx_v_err)));
    if (unlikely(__pyx_t_1)) {
/* … */
    }
+1983:             _ensure_has_gil(gs)
      __pyx_f_7questdb_7ingress__ensure_has_gil(__pyx_v_gs); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 1983, __pyx_L1_error)
+1984:             raise c_err_to_py(err)
      __pyx_t_2 = __pyx_f_7questdb_7ingress_c_err_to_py(__pyx_v_err); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 1984, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_2);
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      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __PYX_ERR(1, 1984, __pyx_L1_error)
 1985: 
+1986: cdef void_int _dataframe_serialize_cell_column_str__str_lrg_utf8_arrow(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_str__str_lrg_utf8_arrow(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
  struct line_sender_error *__pyx_v_err;
  struct line_sender_utf8 __pyx_v_utf8;
  __pyx_t_7questdb_7ingress_void_int __pyx_r;
/* … */
  /* function exit code */
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/* … */
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+2012: cdef void_int _dataframe_serialize_cell_column_str__str_i16_cat(
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 2013:         line_sender_buffer* ls_buf,
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/* … */
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/* … */
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/* … */
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/* … */
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/* … */
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 2081:         line_sender_buffer* ls_buf,
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 2084:         PyThreadState** gs) except -1:
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 2087:     cdef int64_t cell
 2088:     cdef int64_t* access
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/* … */
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/* … */
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 2096: 
+2097: cdef void_int _dataframe_serialize_cell_at_dt64ns_numpy(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_at_dt64ns_numpy(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
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/* … */
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 2098:         line_sender_buffer* ls_buf,
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 2101:         PyThreadState** gs) except -1:
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/* … */
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+2106:         if not line_sender_buffer_at_now(ls_buf, &err):
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/* … */
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 2109:     else:
 2110:         # Note: ls_buf will validate against negative numbers.
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  /*else*/ {
    __pyx_t_1 = (!line_sender_buffer_at_nanos(__pyx_v_ls_buf, __pyx_v_cell, (&__pyx_v_err)));
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/* … */
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 2115: 
+2116: cdef void_int _dataframe_serialize_cell_at_dt64ns_tz_arrow(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell_at_dt64ns_tz_arrow(struct line_sender_buffer *__pyx_v_ls_buf, CYTHON_UNUSED struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
  struct line_sender_error *__pyx_v_err;
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/* … */
  /* function exit code */
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 2117:         line_sender_buffer* ls_buf,
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 2119:         col_t* col,
 2120:         PyThreadState** gs) except -1:
+2121:     cdef line_sender_error* err = NULL
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 2123:     cdef int64_t* access
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/* … */
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 2128:         # Note: ls_buf will validate against negative numbers.
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    __pyx_t_1 = (!line_sender_buffer_at_nanos(__pyx_v_ls_buf, __pyx_v_cell, (&__pyx_v_err)));
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/* … */
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 2132:     else:
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  /*else*/ {
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/* … */
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+2135:             raise c_err_to_py(err)
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 2136: 
 2137: 
+2138: cdef void_int _dataframe_serialize_cell(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_serialize_cell(struct line_sender_buffer *__pyx_v_ls_buf, struct qdb_pystr_buf *__pyx_v_b, struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col, PyThreadState **__pyx_v_gs) {
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 2139:         line_sender_buffer* ls_buf,
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 2142:         PyThreadState** gs) except -1:
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    case __pyx_e_7questdb_7ingress_col_dispatch_code_table__str_lrg_utf8_arrow:
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    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_table__str_utf8_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2151, __pyx_L1_error)
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    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_table__str_lrg_utf8_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2153, __pyx_L1_error)
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    case __pyx_e_7questdb_7ingress_col_dispatch_code_table__str_i16_cat:
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    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_table__str_i8_cat(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2155, __pyx_L1_error)
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+2161:         _dataframe_serialize_cell_symbol__str_pyobj(ls_buf, b, col)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_symbol__str_pyobj(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2161, __pyx_L1_error)
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    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_symbol__str_lrg_utf8_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2165, __pyx_L1_error)
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    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__u8_numpy:
+2179:         _dataframe_serialize_cell_column_i64__int_pyobj(ls_buf, b, col)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__int_pyobj(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2179, __pyx_L1_error)
+2180:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__u8_numpy:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__i8_numpy:
+2181:         _dataframe_serialize_cell_column_i64__u8_numpy(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__u8_numpy(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2181, __pyx_L1_error)
+2182:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__i8_numpy:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__u16_numpy:
+2183:         _dataframe_serialize_cell_column_i64__i8_numpy(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__i8_numpy(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2183, __pyx_L1_error)
+2184:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__u16_numpy:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__i16_numpy:
+2185:         _dataframe_serialize_cell_column_i64__u16_numpy(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__u16_numpy(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2185, __pyx_L1_error)
+2186:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__i16_numpy:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__u32_numpy:
+2187:         _dataframe_serialize_cell_column_i64__i16_numpy(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__i16_numpy(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2187, __pyx_L1_error)
+2188:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__u32_numpy:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__i32_numpy:
+2189:         _dataframe_serialize_cell_column_i64__u32_numpy(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__u32_numpy(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2189, __pyx_L1_error)
+2190:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__i32_numpy:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__u64_numpy:
+2191:         _dataframe_serialize_cell_column_i64__i32_numpy(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__i32_numpy(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2191, __pyx_L1_error)
+2192:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__u64_numpy:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__i64_numpy:
+2193:         _dataframe_serialize_cell_column_i64__u64_numpy(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__u64_numpy(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2193, __pyx_L1_error)
+2194:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__i64_numpy:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__u8_arrow:
+2195:         _dataframe_serialize_cell_column_i64__i64_numpy(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__i64_numpy(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2195, __pyx_L1_error)
+2196:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__u8_arrow:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__i8_arrow:
+2197:         _dataframe_serialize_cell_column_i64__u8_arrow(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__u8_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2197, __pyx_L1_error)
+2198:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__i8_arrow:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__u16_arrow:
+2199:         _dataframe_serialize_cell_column_i64__i8_arrow(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__i8_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2199, __pyx_L1_error)
+2200:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__u16_arrow:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__i16_arrow:
+2201:         _dataframe_serialize_cell_column_i64__u16_arrow(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__u16_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2201, __pyx_L1_error)
+2202:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__i16_arrow:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__u32_arrow:
+2203:         _dataframe_serialize_cell_column_i64__i16_arrow(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__i16_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2203, __pyx_L1_error)
+2204:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__u32_arrow:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__i32_arrow:
+2205:         _dataframe_serialize_cell_column_i64__u32_arrow(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__u32_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2205, __pyx_L1_error)
+2206:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__i32_arrow:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__u64_arrow:
+2207:         _dataframe_serialize_cell_column_i64__i32_arrow(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__i32_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2207, __pyx_L1_error)
+2208:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__u64_arrow:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_i64__i64_arrow:
+2209:         _dataframe_serialize_cell_column_i64__u64_arrow(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__u64_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2209, __pyx_L1_error)
+2210:     elif dc == col_dispatch_code_t.col_dispatch_code_column_i64__i64_arrow:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_f64__float_pyobj:
+2211:         _dataframe_serialize_cell_column_i64__i64_arrow(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_i64__i64_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2211, __pyx_L1_error)
+2212:     elif dc == col_dispatch_code_t.col_dispatch_code_column_f64__float_pyobj:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_f64__f32_numpy:
+2213:         _dataframe_serialize_cell_column_f64__float_pyobj(ls_buf, b, col)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_f64__float_pyobj(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2213, __pyx_L1_error)
+2214:     elif dc == col_dispatch_code_t.col_dispatch_code_column_f64__f32_numpy:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_f64__f64_numpy:
+2215:         _dataframe_serialize_cell_column_f64__f32_numpy(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_f64__f32_numpy(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2215, __pyx_L1_error)
+2216:     elif dc == col_dispatch_code_t.col_dispatch_code_column_f64__f64_numpy:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_f64__f32_arrow:
+2217:         _dataframe_serialize_cell_column_f64__f64_numpy(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_f64__f64_numpy(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2217, __pyx_L1_error)
+2218:     elif dc == col_dispatch_code_t.col_dispatch_code_column_f64__f32_arrow:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_f64__f64_arrow:
+2219:         _dataframe_serialize_cell_column_f64__f32_arrow(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_f64__f32_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2219, __pyx_L1_error)
+2220:     elif dc == col_dispatch_code_t.col_dispatch_code_column_f64__f64_arrow:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_str__str_pyobj:
+2221:         _dataframe_serialize_cell_column_f64__f64_arrow(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_f64__f64_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2221, __pyx_L1_error)
+2222:     elif dc == col_dispatch_code_t.col_dispatch_code_column_str__str_pyobj:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_str__str_utf8_arrow:
+2223:         _dataframe_serialize_cell_column_str__str_pyobj(ls_buf, b, col)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_str__str_pyobj(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2223, __pyx_L1_error)
+2224:     elif dc == col_dispatch_code_t.col_dispatch_code_column_str__str_utf8_arrow:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_str__str_lrg_utf8_arrow:
+2225:         _dataframe_serialize_cell_column_str__str_utf8_arrow(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_str__str_utf8_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2225, __pyx_L1_error)
+2226:     elif dc == col_dispatch_code_t.col_dispatch_code_column_str__str_lrg_utf8_arrow:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_str__str_i8_cat:
+2227:         _dataframe_serialize_cell_column_str__str_lrg_utf8_arrow(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_str__str_lrg_utf8_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2227, __pyx_L1_error)
+2228:     elif dc == col_dispatch_code_t.col_dispatch_code_column_str__str_i8_cat:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_str__str_i16_cat:
+2229:         _dataframe_serialize_cell_column_str__str_i8_cat(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_str__str_i8_cat(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2229, __pyx_L1_error)
+2230:     elif dc == col_dispatch_code_t.col_dispatch_code_column_str__str_i16_cat:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_str__str_i32_cat:
+2231:         _dataframe_serialize_cell_column_str__str_i16_cat(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_str__str_i16_cat(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2231, __pyx_L1_error)
+2232:     elif dc == col_dispatch_code_t.col_dispatch_code_column_str__str_i32_cat:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_ts__dt64ns_numpy:
+2233:         _dataframe_serialize_cell_column_str__str_i32_cat(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_str__str_i32_cat(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2233, __pyx_L1_error)
+2234:     elif dc == col_dispatch_code_t.col_dispatch_code_column_ts__dt64ns_numpy:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_arr_f64__arr_f64_numpyobj:
+2235:         _dataframe_serialize_cell_column_ts__dt64ns_numpy(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_ts__dt64ns_numpy(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2235, __pyx_L1_error)
+2236:     elif dc == col_dispatch_code_t.col_dispatch_code_column_arr_f64__arr_f64_numpyobj:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_column_ts__dt64ns_tz_arrow:
+2237:         _dataframe_serialize_cell_column_arr_f64__arr_f64_numpyobj(ls_buf, b, col)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_arr_f64__arr_f64_numpyobj(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2237, __pyx_L1_error)
+2238:     elif dc == col_dispatch_code_t.col_dispatch_code_column_ts__dt64ns_tz_arrow:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_at__dt64ns_numpy:
+2239:         _dataframe_serialize_cell_column_ts__dt64ns_tz_arrow(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_column_ts__dt64ns_tz_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2239, __pyx_L1_error)
+2240:     elif dc == col_dispatch_code_t.col_dispatch_code_at__dt64ns_numpy:
    break;
    case __pyx_e_7questdb_7ingress_col_dispatch_code_at__dt64ns_tz_arrow:
+2241:         _dataframe_serialize_cell_at_dt64ns_numpy(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_at_dt64ns_numpy(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2241, __pyx_L1_error)
+2242:     elif dc == col_dispatch_code_t.col_dispatch_code_at__dt64ns_tz_arrow:
    break;
    default:
+2243:         _dataframe_serialize_cell_at_dt64ns_tz_arrow(ls_buf, b, col, gs)
    __pyx_t_2 = __pyx_f_7questdb_7ingress__dataframe_serialize_cell_at_dt64ns_tz_arrow(__pyx_v_ls_buf, __pyx_v_b, __pyx_v_col, __pyx_v_gs); if (unlikely(__pyx_t_2 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2243, __pyx_L1_error)
 2244:     else:
+2245:         _ensure_has_gil(gs)
    __pyx_f_7questdb_7ingress__ensure_has_gil(__pyx_v_gs); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 2245, __pyx_L1_error)
+2246:         raise RuntimeError(f"Unknown column dispatch code: {dc}")
    __pyx_t_4 = NULL;
    __Pyx_INCREF(__pyx_builtin_RuntimeError);
    __pyx_t_5 = __pyx_builtin_RuntimeError; 
    __pyx_t_6 = __Pyx_PyUnicode_From_enum____pyx_t_7questdb_7ingress_col_dispatch_code_t(__pyx_v_dc, 0, ' ', 'd'); if (unlikely(!__pyx_t_6)) __PYX_ERR(1, 2246, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_6);
    __pyx_t_7 = __Pyx_PyUnicode_Concat(__pyx_mstate_global->__pyx_kp_u_Unknown_column_dispatch_code, __pyx_t_6); if (unlikely(!__pyx_t_7)) __PYX_ERR(1, 2246, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_7);
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 2247:     # See earlier note about switch statement generation.
 2248:     # Don't add complex conditions above!
 2249: 
 2250: 
+2251: cdef void _dataframe_col_advance(col_t* col) noexcept nogil:
static void __pyx_f_7questdb_7ingress__dataframe_col_advance(struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col) {
  struct __pyx_t_7questdb_7ingress_col_cursor_t *__pyx_v_cursor;
  size_t __pyx_v_new_chunk;
/* … */
  /* function exit code */
}
 2252:     # Branchless version of:
 2253:     #     cdef bint new_chunk = cursor.offset == <size_t>cursor.chunk.length
 2254:     #     if new_chunk == 0:
 2255:     #         cursor.chunk_index += 1
 2256:     #         cursor.chunk += 1  # pointer advance
 2257:     #
 2258:     #     if new_chunk:
 2259:     #         cursor.offset = cursor.chunk.offset
 2260:     #     else:
 2261:     #         cursor.offset += 1
 2262:     #
 2263:     # (Checked with Godbolt, GCC -O3 code was rather "jumpy")
+2264:     cdef col_cursor_t* cursor = &col.cursor
  __pyx_v_cursor = (&__pyx_v_col->cursor);
 2265:     cdef size_t new_chunk  # disguised bint. Either 0 or 1.
+2266:     cursor.offset += 1
  __pyx_v_cursor->offset = (__pyx_v_cursor->offset + 1);
+2267:     new_chunk = cursor.offset == <size_t>cursor.chunk.length
  __pyx_v_new_chunk = (__pyx_v_cursor->offset == ((size_t)__pyx_v_cursor->chunk->length));
+2268:     cursor.chunk_index += new_chunk
  __pyx_v_cursor->chunk_index = (__pyx_v_cursor->chunk_index + __pyx_v_new_chunk);
+2269:     cursor.chunk += new_chunk
  __pyx_v_cursor->chunk = (__pyx_v_cursor->chunk + __pyx_v_new_chunk);
 2270:     # Note: We get away with this because we've allocated one extra blank chunk.
 2271:     # This ensures that accessing `cursor.chunk.offset` doesn't segfault.
+2272:     cursor.offset = (
  __pyx_v_cursor->offset = ((__pyx_v_new_chunk * __pyx_v_cursor->chunk->offset) + ((!(__pyx_v_new_chunk != 0)) * __pyx_v_cursor->offset));
 2273:         (new_chunk * cursor.chunk.offset) +
 2274:         ((not new_chunk) * cursor.offset))
 2275: 
 2276: 
+2277: cdef void_int _dataframe_handle_auto_flush(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe_handle_auto_flush(struct __pyx_t_7questdb_7ingress_auto_flush_t const *__pyx_v_af, struct line_sender_buffer *__pyx_v_ls_buf, PyThreadState **__pyx_v_gs) {
  struct line_sender_error *__pyx_v_flush_err;
  struct line_sender_error *__pyx_v_marker_err;
  int __pyx_v_flush_ok;
  int __pyx_v_marker_ok;
  int __pyx_v_had_gil;
  __pyx_t_7questdb_7ingress_void_int __pyx_r;
/* … */
  /* function exit code */
  __pyx_r = 0;
  goto __pyx_L0;
  __pyx_L1_error:;
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  __Pyx_XDECREF(__pyx_t_5);
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  __pyx_r = -1;
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}
 2278:             const auto_flush_t* af,
 2279:             line_sender_buffer* ls_buf,
 2280:             PyThreadState** gs) except -1:
 2281:     cdef line_sender_error* flush_err
 2282:     cdef line_sender_error* marker_err
 2283:     cdef bint flush_ok
 2284:     cdef bint marker_ok
+2285:     if (af.sender == NULL) or (not should_auto_flush(&af.mode, ls_buf, af.last_flush_ms[0])):
  __pyx_t_2 = (__pyx_v_af->sender == NULL);
  if (!__pyx_t_2) {
  } else {
    __pyx_t_1 = __pyx_t_2;
    goto __pyx_L4_bool_binop_done;
  }
  __pyx_t_2 = __pyx_f_7questdb_7ingress_should_auto_flush((&__pyx_v_af->mode), __pyx_v_ls_buf, (__pyx_v_af->last_flush_ms[0])); if (unlikely(__pyx_t_2 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(1, 2285, __pyx_L1_error)
  __pyx_t_3 = (!__pyx_t_2);
  __pyx_t_1 = __pyx_t_3;
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  if (__pyx_t_1) {
/* … */
  }
+2286:         return 0
    __pyx_r = 0;
    goto __pyx_L0;
 2287: 
 2288:     # Always temporarily release GIL during a flush.
+2289:     had_gil = _ensure_doesnt_have_gil(gs)
  __pyx_t_1 = __pyx_f_7questdb_7ingress__ensure_doesnt_have_gil(__pyx_v_gs); if (unlikely(__pyx_t_1 == ((int)-1) && PyErr_Occurred())) __PYX_ERR(1, 2289, __pyx_L1_error)
  __pyx_v_had_gil = __pyx_t_1;
+2290:     flush_ok = line_sender_flush(af.sender, ls_buf, &flush_err)
  __pyx_v_flush_ok = line_sender_flush(__pyx_v_af->sender, __pyx_v_ls_buf, (&__pyx_v_flush_err));
+2291:     if flush_ok:
  if (__pyx_v_flush_ok) {
/* … */
    goto __pyx_L6;
  }
+2292:         af.last_flush_ms[0] = line_sender_now_micros() // 1000
    (__pyx_v_af->last_flush_ms[0]) = __Pyx_div_int64_t(line_sender_now_micros(), 0x3E8, 1);
 2293:     else:
 2294:         # To avoid flush reattempt on Sender.__exit__.
+2295:         line_sender_buffer_clear(ls_buf)
  /*else*/ {
    line_sender_buffer_clear(__pyx_v_ls_buf);
  }
  __pyx_L6:;
 2296: 
 2297:     # Flushing will have cleared the marker: We need to set it again
 2298:     # We need this also on error due to our error handling logic which will
 2299:     # try to rewind the buffer on error and fail if the marker is unset.
+2300:     marker_ok = line_sender_buffer_set_marker(ls_buf, &marker_err)
  __pyx_v_marker_ok = line_sender_buffer_set_marker(__pyx_v_ls_buf, (&__pyx_v_marker_err));
 2301: 
+2302:     if had_gil or (not flush_ok) or (not marker_ok):
  if (!__pyx_v_had_gil) {
  } else {
    __pyx_t_1 = __pyx_v_had_gil;
    goto __pyx_L8_bool_binop_done;
  }
  __pyx_t_3 = (!__pyx_v_flush_ok);
  if (!__pyx_t_3) {
  } else {
    __pyx_t_1 = __pyx_t_3;
    goto __pyx_L8_bool_binop_done;
  }
  __pyx_t_3 = (!__pyx_v_marker_ok);
  __pyx_t_1 = __pyx_t_3;
  __pyx_L8_bool_binop_done:;
  if (__pyx_t_1) {
/* … */
  }
+2303:         _ensure_has_gil(gs)
    __pyx_f_7questdb_7ingress__ensure_has_gil(__pyx_v_gs); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 2303, __pyx_L1_error)
 2304: 
+2305:     if not flush_ok:
  __pyx_t_1 = (!__pyx_v_flush_ok);
  if (unlikely(__pyx_t_1)) {
/* … */
  }
+2306:         raise c_err_to_py_fmt(flush_err, _FLUSH_FMT)
    __Pyx_GetModuleGlobalName(__pyx_t_4, __pyx_mstate_global->__pyx_n_u_FLUSH_FMT); if (unlikely(!__pyx_t_4)) __PYX_ERR(1, 2306, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    if (!(likely(PyUnicode_CheckExact(__pyx_t_4))||((__pyx_t_4) == Py_None) || __Pyx_RaiseUnexpectedTypeError("str", __pyx_t_4))) __PYX_ERR(1, 2306, __pyx_L1_error)
    __pyx_t_5 = __pyx_f_7questdb_7ingress_c_err_to_py_fmt(__pyx_v_flush_err, ((PyObject*)__pyx_t_4)); if (unlikely(!__pyx_t_5)) __PYX_ERR(1, 2306, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __Pyx_Raise(__pyx_t_5, 0, 0, 0);
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __PYX_ERR(1, 2306, __pyx_L1_error)
 2307: 
 2308:     # The flush error takes precedence over the marker error.
+2309:     if not marker_ok:
  __pyx_t_1 = (!__pyx_v_marker_ok);
  if (unlikely(__pyx_t_1)) {
/* … */
  }
+2310:         raise c_err_to_py(marker_err)
    __pyx_t_5 = __pyx_f_7questdb_7ingress_c_err_to_py(__pyx_v_marker_err); if (unlikely(!__pyx_t_5)) __PYX_ERR(1, 2310, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_Raise(__pyx_t_5, 0, 0, 0);
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __PYX_ERR(1, 2310, __pyx_L1_error)
 2311: 
 2312: 
 2313: # Every how many cells to release and re-acquire the Python GIL.
 2314: #
 2315: # We've done some perf testing with some mixed column dtypes.
 2316: # On a modern CPU we're doing over 8 million pandas cells per second.
 2317: # By default, `sys.getswitchinterval()` is 0.005 seconds.
 2318: # To accomodate this, we'd need to release the GIL every 40,000 cells.
 2319: # This will be divided by the column count to get the row gil blip interval.
+2320: cdef size_t _CELL_GIL_BLIP_INTERVAL = 40000
  __pyx_v_7questdb_7ingress__CELL_GIL_BLIP_INTERVAL = 0x9C40;
 2321: 
 2322: 
+2323: cdef void_int _dataframe(
static __pyx_t_7questdb_7ingress_void_int __pyx_f_7questdb_7ingress__dataframe(struct __pyx_t_7questdb_7ingress_auto_flush_t __pyx_v_af, struct line_sender_buffer *__pyx_v_ls_buf, struct qdb_pystr_buf *__pyx_v_b, PyObject *__pyx_v_df, PyObject *__pyx_v_table_name, PyObject *__pyx_v_table_name_col, PyObject *__pyx_v_symbols, PyObject *__pyx_v_at) {
  size_t __pyx_v_col_count;
  struct line_sender_table_name __pyx_v_c_table_name;
  int64_t __pyx_v_at_value;
  struct __pyx_t_7questdb_7ingress_col_t_arr __pyx_v_cols;
  int __pyx_v_any_cols_need_gil;
  struct qdb_pystr_pos __pyx_v_str_buf_marker;
  size_t __pyx_v_row_count;
  struct line_sender_error *__pyx_v_err;
  size_t __pyx_v_row_index;
  size_t __pyx_v_col_index;
  struct __pyx_t_7questdb_7ingress_col_t *__pyx_v_col;
  size_t __pyx_v_row_gil_blip_interval;
  PyThreadState *__pyx_v_gs;
  int __pyx_v_was_serializing_cell;
  PyObject *__pyx_v_e = NULL;
  __pyx_t_7questdb_7ingress_void_int __pyx_r;
/* … */
  /* function exit code */
  __pyx_r = 0;
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_XDECREF(__pyx_t_20);
  __Pyx_XDECREF(__pyx_t_21);
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  __Pyx_XDECREF(__pyx_t_29);
  __Pyx_XDECREF(__pyx_t_30);
  __Pyx_AddTraceback("questdb.ingress._dataframe", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = -1;
  __pyx_L0:;
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  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}
 2324:         auto_flush_t af,
 2325:         line_sender_buffer* ls_buf,
 2326:         qdb_pystr_buf* b,
 2327:         object df,
 2328:         object table_name,
 2329:         object table_name_col,
 2330:         object symbols,
 2331:         object at) except -1:
 2332:     cdef size_t col_count
 2333:     cdef line_sender_table_name c_table_name
+2334:     cdef int64_t at_value = _AT_IS_SET_BY_COLUMN
  __pyx_v_at_value = __pyx_v_7questdb_7ingress__AT_IS_SET_BY_COLUMN;
+2335:     cdef col_t_arr cols = col_t_arr_blank()
  __pyx_v_cols = __pyx_f_7questdb_7ingress_col_t_arr_blank();
+2336:     cdef bint any_cols_need_gil = False
  __pyx_v_any_cols_need_gil = 0;
 2337:     cdef qdb_pystr_pos str_buf_marker
 2338:     cdef size_t row_count
+2339:     cdef line_sender_error* err = NULL
  __pyx_v_err = NULL;
 2340:     cdef size_t row_index
 2341:     cdef size_t col_index
 2342:     cdef col_t* col
 2343:     cdef size_t row_gil_blip_interval
+2344:     cdef PyThreadState* gs = NULL  # GIL state. NULL means we have the GIL.
  __pyx_v_gs = NULL;
 2345:     cdef bint had_gil
+2346:     cdef bint was_serializing_cell = False
  __pyx_v_was_serializing_cell = 0;
 2347: 
+2348:     _dataframe_may_import_deps()
  __pyx_t_1 = __pyx_f_7questdb_7ingress__dataframe_may_import_deps(); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 2348, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+2349:     _dataframe_check_is_dataframe(df)
  __pyx_t_1 = __pyx_f_7questdb_7ingress__dataframe_check_is_dataframe(__pyx_v_df); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 2349, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+2350:     row_count = len(df)
  __pyx_t_2 = PyObject_Length(__pyx_v_df); if (unlikely(__pyx_t_2 == ((Py_ssize_t)-1))) __PYX_ERR(1, 2350, __pyx_L1_error)
  __pyx_v_row_count = __pyx_t_2;
+2351:     col_count = len(df.columns)
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_v_df, __pyx_mstate_global->__pyx_n_u_columns); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 2351, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == ((Py_ssize_t)-1))) __PYX_ERR(1, 2351, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_v_col_count = __pyx_t_2;
+2352:     if (col_count == 0) or (row_count == 0):
  __pyx_t_4 = (__pyx_v_col_count == 0);
  if (!__pyx_t_4) {
  } else {
    __pyx_t_3 = __pyx_t_4;
    goto __pyx_L4_bool_binop_done;
  }
  __pyx_t_4 = (__pyx_v_row_count == 0);
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  if (__pyx_t_3) {
/* … */
  }
+2353:         return 0  # Nothing to do.
    __pyx_r = 0;
    goto __pyx_L0;
 2354: 
+2355:     try:
  /*try:*/ {
    {
      /*try:*/ {
/* … */
      }
      __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
      goto __pyx_L14_try_end;
      __pyx_L9_error:;
      __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
      __Pyx_XDECREF(__pyx_t_20); __pyx_t_20 = 0;
      __Pyx_XDECREF(__pyx_t_21); __pyx_t_21 = 0;
      __Pyx_XDECREF(__pyx_t_22); __pyx_t_22 = 0;
      __Pyx_XDECREF(__pyx_t_23); __pyx_t_23 = 0;
      __Pyx_XDECREF(__pyx_t_24); __pyx_t_24 = 0;
      __Pyx_XDECREF(__pyx_t_25); __pyx_t_25 = 0;
      __Pyx_XDECREF(__pyx_t_27); __pyx_t_27 = 0;
      __Pyx_XDECREF(__pyx_t_28); __pyx_t_28 = 0;
      __Pyx_XDECREF(__pyx_t_29); __pyx_t_29 = 0;
      __Pyx_XDECREF(__pyx_t_30); __pyx_t_30 = 0;
      __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
/* … */
      __pyx_L11_except_error:;
      __Pyx_XGIVEREF(__pyx_t_5);
      __Pyx_XGIVEREF(__pyx_t_6);
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      __Pyx_ExceptionReset(__pyx_t_5, __pyx_t_6, __pyx_t_7);
      goto __pyx_L7_error;
      __pyx_L14_try_end:;
    }
  }
+2356:         qdb_pystr_buf_clear(b)
        qdb_pystr_buf_clear(__pyx_v_b);
+2357:         cols = col_t_arr_new(col_count)
        __pyx_v_cols = __pyx_f_7questdb_7ingress_col_t_arr_new(__pyx_v_col_count);
+2358:         _dataframe_resolve_args(
        __pyx_t_9 = __pyx_f_7questdb_7ingress__dataframe_resolve_args(__pyx_v_df, __pyx_v_table_name, __pyx_v_table_name_col, __pyx_v_symbols, __pyx_t_1, __pyx_v_b, __pyx_v_col_count, (&__pyx_v_c_table_name), (&__pyx_v_at_value), (&__pyx_v_cols), (&__pyx_v_any_cols_need_gil)); if (unlikely(__pyx_t_9 == ((__pyx_t_7questdb_7ingress_void_int)-1))) __PYX_ERR(1, 2358, __pyx_L9_error)
        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 2359:             df,
 2360:             table_name,
 2361:             table_name_col,
 2362:             symbols,
+2363:             at if not isinstance(at, ServerTimestampType) else None,
        __Pyx_GetModuleGlobalName(__pyx_t_8, __pyx_mstate_global->__pyx_n_u_ServerTimestampType); if (unlikely(!__pyx_t_8)) __PYX_ERR(1, 2363, __pyx_L9_error)
        __Pyx_GOTREF(__pyx_t_8);
        __pyx_t_3 = PyObject_IsInstance(__pyx_v_at, __pyx_t_8); if (unlikely(__pyx_t_3 == ((int)-1))) __PYX_ERR(1, 2363, __pyx_L9_error)
        __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
        __pyx_t_4 = (!__pyx_t_3);
        if (__pyx_t_4) {
          __Pyx_INCREF(__pyx_v_at);
          __pyx_t_1 = __pyx_v_at;
        } else {
          __Pyx_INCREF(Py_None);
          __pyx_t_1 = Py_None;
        }
 2364:             b,
 2365:             col_count,
 2366:             &c_table_name,
 2367:             &at_value,
 2368:             &cols,
 2369:             &any_cols_need_gil)
 2370: 
 2371:         # We've used the str buffer up to a point for the headers.
 2372:         # Instead of clearing it (which would clear the headers' memory)
 2373:         # we will truncate (rewind) back to this position.
+2374:         str_buf_marker = qdb_pystr_buf_tell(b)
        __pyx_v_str_buf_marker = qdb_pystr_buf_tell(__pyx_v_b);
+2375:         line_sender_buffer_clear_marker(ls_buf)
        line_sender_buffer_clear_marker(__pyx_v_ls_buf);
 2376: 
 2377:         # On error, undo all added lines.
+2378:         if not line_sender_buffer_set_marker(ls_buf, &err):
        __pyx_t_4 = (!line_sender_buffer_set_marker(__pyx_v_ls_buf, (&__pyx_v_err)));
        if (unlikely(__pyx_t_4)) {
/* … */
        }
+2379:             raise c_err_to_py(err)
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/* … */
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/* … */
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 2385:             # Don't move this logic up! We need the GIL to execute a `try`.
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/* … */
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/* … */
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 2402:                 # Table-name from `table_name` arg in Python.
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/* … */
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/* … */
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 2408:                 # Serialize columns cells.
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 2417:                 # Fixed "at" value (not from a column).
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/* … */
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/* … */
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/* … */
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/* … */
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/* … */
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/* … */
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/* … */
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 2435:                 # TODO: This should be allowed by the database.
 2436:                 # It currently isn't so we have to raise an error.
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 2440:                     'All values are nulls. '+
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                __Pyx_Raise(__pyx_t_22, 0, 0, __pyx_v_e);
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/* … */
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+2445:                     'Failed to serialize value of column ' +
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