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Apache Arrow ADBC bindings for Elixir

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adbc c_src adbc_consts.h
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c_src/adbc_consts.h 

#ifndef ADBC_CONSTS_H

#pragma once



#include <erl_nif.h>



// Atoms

static ERL_NIF_TERM kAtomAdbcError;

static ERL_NIF_TERM kAtomNil;

static ERL_NIF_TERM kAtomTrue;

static ERL_NIF_TERM kAtomFalse;

static ERL_NIF_TERM kAtomInfinity;

static ERL_NIF_TERM kAtomNegInfinity;

static ERL_NIF_TERM kAtomNaN;

static ERL_NIF_TERM kAtomEndOfSeries;

static ERL_NIF_TERM kAtomStructKey;

// for the data field in list views and large list views

// %Adbc.Column{

//   name: "sample_list_view",

//   type: :list_view,

//   nullable: true,

//   metadata: nil,

//   data: %{

//     validity: [true, false, true, true, true],

//     offsets: [4, 7, 0, 0, 3],

//     sizes: [3, 0, 4, 0, 2],

//     values: %Adbc.Column{

//       name: "sample_list",

//       type: :i32,

//       nullable: false,

//       metadata: nil,

//       data: [0, -127, 127, 50, 12, -7, 25]

//     }

//   }

// }

static ERL_NIF_TERM kAtomValidity;

static ERL_NIF_TERM kAtomOffsets;

static ERL_NIF_TERM kAtomSizes;

static ERL_NIF_TERM kAtomValues;

static ERL_NIF_TERM kAtomRunEnds;

static ERL_NIF_TERM kAtomOffset;

static ERL_NIF_TERM kAtomLength;



static ERL_NIF_TERM kAtomDecimal;

static ERL_NIF_TERM kAtomFixedSizeBinary;

static ERL_NIF_TERM kAtomFixedSizeList;

static ERL_NIF_TERM kAtomTime32;

static ERL_NIF_TERM kAtomTime64;

static ERL_NIF_TERM kAtomTimestamp;

static ERL_NIF_TERM kAtomDuration;

static ERL_NIF_TERM kAtomInterval;

static ERL_NIF_TERM kAtomSeconds;

static ERL_NIF_TERM kAtomMilliseconds;

static ERL_NIF_TERM kAtomMicroseconds;

static ERL_NIF_TERM kAtomNanoseconds;

static ERL_NIF_TERM kAtomMonth;

static ERL_NIF_TERM kAtomDayTime;

static ERL_NIF_TERM kAtomMonthDayNano;



static ERL_NIF_TERM kAtomCalendarKey;

static ERL_NIF_TERM kAtomCalendarISO;



static ERL_NIF_TERM kAtomDateModule;

static ERL_NIF_TERM kAtomYearKey;

static ERL_NIF_TERM kAtomMonthKey;

static ERL_NIF_TERM kAtomDayKey;



static ERL_NIF_TERM kAtomNaiveDateTimeModule;

static ERL_NIF_TERM kAtomTimeModule;

static ERL_NIF_TERM kAtomHourKey;

static ERL_NIF_TERM kAtomMinuteKey;

static ERL_NIF_TERM kAtomSecondKey;

static ERL_NIF_TERM kAtomMicrosecondKey;



static ERL_NIF_TERM kAtomAdbcColumnModule;

static ERL_NIF_TERM kAtomNameKey;

static ERL_NIF_TERM kAtomTypeKey;

static ERL_NIF_TERM kAtomNullableKey;

static ERL_NIF_TERM kAtomMetadataKey;

static ERL_NIF_TERM kAtomDataKey;



// https://arrow.apache.org/docs/format/CDataInterface.html

static ERL_NIF_TERM kAdbcColumnTypeBool;

static ERL_NIF_TERM kAdbcColumnTypeI8;

static ERL_NIF_TERM kAdbcColumnTypeU8;

static ERL_NIF_TERM kAdbcColumnTypeI16;

static ERL_NIF_TERM kAdbcColumnTypeU16;

static ERL_NIF_TERM kAdbcColumnTypeI32;

static ERL_NIF_TERM kAdbcColumnTypeU32;

static ERL_NIF_TERM kAdbcColumnTypeI64;

static ERL_NIF_TERM kAdbcColumnTypeU64;

static ERL_NIF_TERM kAdbcColumnTypeF16;

static ERL_NIF_TERM kAdbcColumnTypeF32;

static ERL_NIF_TERM kAdbcColumnTypeF64;

static ERL_NIF_TERM kAdbcColumnTypeBinary;

static ERL_NIF_TERM kAdbcColumnTypeLargeBinary;

static ERL_NIF_TERM kAdbcColumnTypeString;

static ERL_NIF_TERM kAdbcColumnTypeLargeString;

#define kAdbcColumnTypeDecimal(bitwidth, precision, scale) enif_make_tuple4(env, kAtomDecimal, enif_make_int(env, bitwidth), enif_make_int(env, precision), enif_make_int(env, scale))

#define kAdbcColumnTypeFixedSizeBinary(nbytes) enif_make_tuple2(env, kAtomFixedSizeBinary, enif_make_int64(env, nbytes))

static ERL_NIF_TERM kAdbcColumnTypeDate32;

static ERL_NIF_TERM kAdbcColumnTypeDate64;

#define kAdbcColumnTypeTime32Seconds enif_make_tuple2(env, kAtomTime32, kAtomSeconds)

#define kAdbcColumnTypeTime32Milliseconds enif_make_tuple2(env, kAtomTime32, kAtomMilliseconds)

#define kAdbcColumnTypeTime64Microseconds enif_make_tuple2(env, kAtomTime64, kAtomMicroseconds)

#define kAdbcColumnTypeTime64Nanoseconds enif_make_tuple2(env, kAtomTime64, kAtomNanoseconds)

#define kAdbcColumnTypeDurationSeconds enif_make_tuple2(env, kAtomDuration, kAtomSeconds)

#define kAdbcColumnTypeDurationMilliseconds enif_make_tuple2(env, kAtomDuration, kAtomMilliseconds)

#define kAdbcColumnTypeDurationMicroseconds enif_make_tuple2(env, kAtomDuration, kAtomMicroseconds)

#define kAdbcColumnTypeDurationNanoseconds enif_make_tuple2(env, kAtomDuration, kAtomNanoseconds)

#define kAdbcColumnTypeIntervalMonth enif_make_tuple2(env, kAtomInterval, kAtomMonth)

#define kAdbcColumnTypeIntervalDayTime enif_make_tuple2(env, kAtomInterval, kAtomDayTime)

#define kAdbcColumnTypeIntervalMonthDayNano enif_make_tuple2(env, kAtomInterval, kAtomMonthDayNano)

static ERL_NIF_TERM kAdbcColumnTypeList;

static ERL_NIF_TERM kAdbcColumnTypeLargeList;

static ERL_NIF_TERM kAdbcColumnTypeListView;

static ERL_NIF_TERM kAdbcColumnTypeLargeListView;

#define kAdbcColumnTypeFixedSizeList(n_items) enif_make_tuple2(env, kAtomFixedSizeBinary, enif_make_int64(env, n_items))

static ERL_NIF_TERM kAdbcColumnTypeStruct;

static ERL_NIF_TERM kAdbcColumnTypeMap;

static ERL_NIF_TERM kAdbcColumnTypeDenseUnion;

static ERL_NIF_TERM kAdbcColumnTypeSparseUnion;

static ERL_NIF_TERM kAdbcColumnTypeRunEndEncoded;



// error codes

constexpr int kErrorBufferIsNotAMap = 1;

constexpr int kErrorBufferGetDataListLength = 2;

constexpr int kErrorBufferGetMapValue = 3;

constexpr int kErrorBufferWrongStruct = 4;

constexpr int kErrorBufferDataIsNotAList = 5;

constexpr int kErrorBufferUnknownType = 6;

constexpr int kErrorBufferGetMetadataKey = 7;

constexpr int kErrorBufferGetMetadataValue = 8;

constexpr int kErrorExpectedCalendarISO = 9;

constexpr int kErrorInternalError = 10;



#endif  // ADBC_CONSTS_H