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arrow_nodes.c
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/*
* arrow_nodes.c
*
* Routines to handle ArrowNode objects, intermediation of PostgreSQL types
* and Apache Arrow types.
* ----
* Copyright 2011-2023 (C) KaiGai Kohei <[email protected]>
* Copyright 2014-2023 (C) PG-Strom Developers Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the PostgreSQL License.
*/
#include <stdarg.h>
#include "arrow_ipc.h"
static void sql_buffer_printf(SQLbuffer *buf, const char *fmt, ...)
#ifdef pg_attribute_printf
pg_attribute_printf(2,3)
#elif defined(__GNUC__)
__attribute__((format(gnu_printf, 2, 3)))
#endif
;
/*
* Dump support of ArrowNode
*/
static void
__dumpArrowNode(SQLbuffer *buf, ArrowNode *node)
{
node->dumpArrowNode(buf, node);
}
static void
__dumpArrowNodeSimple(SQLbuffer *buf, ArrowNode *node)
{
sql_buffer_printf(buf, "{%s}", node->tagName);
}
#define __dumpArrowTypeNull __dumpArrowNodeSimple
#define __dumpArrowTypeUtf8 __dumpArrowNodeSimple
#define __dumpArrowTypeBinary __dumpArrowNodeSimple
#define __dumpArrowTypeBool __dumpArrowNodeSimple
#define __dumpArrowTypeList __dumpArrowNodeSimple
#define __dumpArrowTypeStruct __dumpArrowNodeSimple
#define __dumpArrowTypeLargeBinary __dumpArrowNodeSimple
#define __dumpArrowTypeLargeUtf8 __dumpArrowNodeSimple
#define __dumpArrowTypeLargeList __dumpArrowNodeSimple
static inline const char *
ArrowPrecisionAsCstring(ArrowPrecision prec)
{
switch (prec)
{
case ArrowPrecision__Half:
return "16";
case ArrowPrecision__Single:
return "32";
case ArrowPrecision__Double:
return "64";
default:
return "??";
}
}
static inline const char *
ArrowDateUnitAsCstring(ArrowDateUnit unit)
{
switch (unit)
{
case ArrowDateUnit__Day:
return "day";
case ArrowDateUnit__MilliSecond:
return "msec";
default:
return "???";
}
}
static inline const char *
ArrowTimeUnitAsCstring(ArrowTimeUnit unit)
{
switch (unit)
{
case ArrowTimeUnit__Second:
return "sec";
case ArrowTimeUnit__MilliSecond:
return "ms";
case ArrowTimeUnit__MicroSecond:
return "us";
case ArrowTimeUnit__NanoSecond:
return "ns";
default:
return "???";
}
}
static inline const char *
ArrowIntervalUnitAsCstring(ArrowIntervalUnit unit)
{
switch (unit)
{
case ArrowIntervalUnit__Year_Month:
return "Year/Month";
case ArrowIntervalUnit__Day_Time:
return "Day/Time";
default:
return "???";
}
}
static inline const char *
ArrowFeatureAsCstring(ArrowFeature feature)
{
switch (feature)
{
case ArrowFeature__Unused:
return "Unused";
case ArrowFeature__DictionaryReplacement:
return "DictionaryReplacement";
case ArrowFeature__CompressedBody:
return "CompressedBody";
default:
return "???";
}
}
static inline const char *
ArrowCompressionTypeAsCstring(ArrowCompressionType codec)
{
switch (codec)
{
case ArrowCompressionType__LZ4_FRAME:
return "LZ4_FRAME";
case ArrowCompressionType__ZSTD:
return "ZSTD";
default:
return "???";
}
}
static inline const char *
ArrowBodyCompressionMethodAsCstring(ArrowBodyCompressionMethod method)
{
switch (method)
{
case ArrowBodyCompressionMethod__BUFFER:
return "BUFFER";
default:
return "???";
}
}
static void
__dumpArrowTypeInt(SQLbuffer *buf, ArrowNode *node)
{
ArrowTypeInt *i = (ArrowTypeInt *)node;
sql_buffer_printf(
buf, "{%s%d}",
i->is_signed ? "Int" : "Uint",
i->bitWidth);
}
static void
__dumpArrowTypeFloatingPoint(SQLbuffer *buf, ArrowNode *node)
{
ArrowTypeFloatingPoint *f = (ArrowTypeFloatingPoint *)node;
sql_buffer_printf(
buf, "{Float%s}",
ArrowPrecisionAsCstring(f->precision));
}
static void
__dumpArrowTypeDecimal(SQLbuffer *buf, ArrowNode *node)
{
ArrowTypeDecimal *d = (ArrowTypeDecimal *)node;
sql_buffer_printf(
buf, "{Decimal: precision=%d, scale=%d, bitWidth=%d}",
d->precision,
d->scale,
d->bitWidth);
}
static void
__dumpArrowTypeDate(SQLbuffer *buf, ArrowNode *node)
{
ArrowTypeDate *d = (ArrowTypeDate *)node;
sql_buffer_printf(
buf, "{Date: unit=%s}",
ArrowDateUnitAsCstring(d->unit));
}
static void
__dumpArrowTypeTime(SQLbuffer *buf, ArrowNode *node)
{
ArrowTypeTime *t = (ArrowTypeTime *)node;
sql_buffer_printf(
buf, "{Time: unit=%s, bitWidth=%d}",
ArrowTimeUnitAsCstring(t->unit), t->bitWidth);
}
static void
__dumpArrowTypeTimestamp(SQLbuffer *buf, ArrowNode *node)
{
ArrowTypeTimestamp *t = (ArrowTypeTimestamp *)node;
if (t->timezone)
{
sql_buffer_printf(
buf, "{Timestamp: unit=%s, timezone='%*s'}",
ArrowTimeUnitAsCstring(t->unit),
t->_timezone_len, t->timezone);
}
else
{
sql_buffer_printf(
buf, "{Timestamp: unit=%s}",
ArrowTimeUnitAsCstring(t->unit));
}
}
static void
__dumpArrowTypeInterval(SQLbuffer *buf, ArrowNode *node)
{
ArrowTypeInterval *t = (ArrowTypeInterval *)node;
sql_buffer_printf(
buf, "{Interval: unit=%s}",
ArrowIntervalUnitAsCstring(t->unit));
}
static void
__dumpArrowTypeUnion(SQLbuffer *buf, ArrowNode *node)
{
ArrowTypeUnion *u = (ArrowTypeUnion *)node;
int i;
sql_buffer_printf(
buf, "{Union: mode=%s, typeIds=[",
u->mode == ArrowUnionMode__Sparse ? "Sparse" :
u->mode == ArrowUnionMode__Dense ? "Dense" : "???");
for (i=0; i < u->_num_typeIds; i++)
sql_buffer_printf(buf, "%s%d", i > 0 ? ", " : " ",
u->typeIds[i]);
sql_buffer_printf(buf, "]}");
}
static void
__dumpArrowTypeFixedSizeBinary(SQLbuffer *buf, ArrowNode *node)
{
ArrowTypeFixedSizeBinary *fb = (ArrowTypeFixedSizeBinary *)node;
sql_buffer_printf(
buf, "{FixedSizeBinary: byteWidth=%d}",
fb->byteWidth);
}
static void
__dumpArrowTypeFixedSizeList(SQLbuffer *buf, ArrowNode *node)
{
ArrowTypeFixedSizeList *fl = (ArrowTypeFixedSizeList *)node;
sql_buffer_printf(
buf, "{FixedSizeList: listSize=%d}",
fl->listSize);
}
static void
__dumpArrowTypeMap(SQLbuffer *buf, ArrowNode *node)
{
ArrowTypeMap *m = (ArrowTypeMap *)node;
sql_buffer_printf(
buf, "{Map: keysSorted=%s}",
m->keysSorted ? "true" : "false");
}
static void
__dumpArrowTypeDuration(SQLbuffer *buf, ArrowNode *node)
{
ArrowTypeDuration *d = (ArrowTypeDuration *)node;
sql_buffer_printf(
buf, "{Duration: unit=%s}",
ArrowTimeUnitAsCstring(d->unit));
}
static void
__dumpArrowKeyValue(SQLbuffer *buf, ArrowNode *node)
{
ArrowKeyValue *kv = (ArrowKeyValue *)node;
sql_buffer_printf(
buf, "{KeyValue: key=\"%s\" value=\"%s\"}",
kv->key ? kv->key : "",
kv->value ? kv->value : "");
}
static void
__dumpArrowDictionaryEncoding(SQLbuffer *buf, ArrowNode *node)
{
ArrowDictionaryEncoding *d = (ArrowDictionaryEncoding *)node;
sql_buffer_printf(
buf, "{DictionaryEncoding: id=%ld, indexType=", d->id);
__dumpArrowNode(buf, (ArrowNode *)&d->indexType);
sql_buffer_printf(
buf, ", isOrdered=%s}",
d->isOrdered ? "true" : "false");
}
static void
__dumpArrowField(SQLbuffer *buf, ArrowNode *node)
{
ArrowField *f = (ArrowField *)node;
int i;
sql_buffer_printf(
buf, "{Field: name=\"%s\", nullable=%s, type=",
f->name ? f->name : "",
f->nullable ? "true" : "false");
__dumpArrowNode(buf, (ArrowNode *)&f->type);
if (f->dictionary)
{
sql_buffer_printf(buf, ", dictionary=");
__dumpArrowNode(buf, (ArrowNode *)f->dictionary);
}
sql_buffer_printf(buf, ", children=[");
for (i=0; i < f->_num_children; i++)
{
if (i > 0)
sql_buffer_printf(buf, ", ");
__dumpArrowNode(buf, (ArrowNode *)&f->children[i]);
}
sql_buffer_printf(buf, "], custom_metadata=[");
for (i=0; i < f->_num_custom_metadata; i++)
{
if (i > 0)
sql_buffer_printf(buf, ", ");
__dumpArrowNode(buf, (ArrowNode *)&f->custom_metadata[i]);
}
sql_buffer_printf(buf, "]}");
}
static void
__dumpArrowFieldNode(SQLbuffer *buf, ArrowNode *node)
{
sql_buffer_printf(
buf, "{FieldNode: length=%ld, null_count=%ld}",
((ArrowFieldNode *)node)->length,
((ArrowFieldNode *)node)->null_count);
}
static void
__dumpArrowBuffer(SQLbuffer *buf, ArrowNode *node)
{
sql_buffer_printf(
buf, "{Buffer: offset=%ld, length=%ld}",
((ArrowBuffer *)node)->offset,
((ArrowBuffer *)node)->length);
}
static void
__dumpArrowSchema(SQLbuffer *buf, ArrowNode *node)
{
ArrowSchema *s = (ArrowSchema *)node;
int i;
sql_buffer_printf(
buf, "{Schema: endianness=%s, fields=[",
s->endianness == ArrowEndianness__Little ? "little" :
s->endianness == ArrowEndianness__Big ? "big" : "???");
for (i=0; i < s->_num_fields; i++)
{
if (i > 0)
sql_buffer_printf(buf, ", ");
__dumpArrowNode(buf, (ArrowNode *)&s->fields[i]);
}
sql_buffer_printf(buf, "], custom_metadata=[");
for (i=0; i < s->_num_custom_metadata; i++)
{
if (i > 0)
sql_buffer_printf(buf, ", ");
__dumpArrowNode(buf, (ArrowNode *)&s->custom_metadata[i]);
}
sql_buffer_printf(buf, "], features=[");
for (i=0; i < s->_num_features; i++)
{
if (i > 0)
sql_buffer_printf(buf, ", ");
sql_buffer_printf(buf, "%s", ArrowFeatureAsCstring(s->features[i]));
}
sql_buffer_printf(buf, "]}");
}
static void
__dumpArrowRecordBatch(SQLbuffer *buf, ArrowNode *node)
{
ArrowRecordBatch *r = (ArrowRecordBatch *) node;
int i;
sql_buffer_printf(buf, "{RecordBatch: length=%ld, nodes=[", r->length);
for (i=0; i < r->_num_nodes; i++)
{
if (i > 0)
sql_buffer_printf(buf, ", ");
__dumpArrowNode(buf, (ArrowNode *)&r->nodes[i]);
}
sql_buffer_printf(buf, "], buffers=[");
for (i=0; i < r->_num_buffers; i++)
{
if (i > 0)
sql_buffer_printf(buf, ", ");
__dumpArrowNode(buf, (ArrowNode *)&r->buffers[i]);
}
sql_buffer_printf(buf,"]}");
}
static void
__dumpArrowDictionaryBatch(SQLbuffer *buf, ArrowNode *node)
{
ArrowDictionaryBatch *d = (ArrowDictionaryBatch *)node;
sql_buffer_printf(
buf, "{DictionaryBatch: id=%ld, data=", d->id);
__dumpArrowNode(buf, (ArrowNode *)&d->data);
sql_buffer_printf(
buf, ", isDelta=%s}",
d->isDelta ? "true" : "false");
}
static void
__dumpArrowMessage(SQLbuffer *buf, ArrowNode *node)
{
ArrowMessage *m = (ArrowMessage *)node;
sql_buffer_printf(
buf, "{Message: version=%s, body=",
m->version == ArrowMetadataVersion__V1 ? "V1" :
m->version == ArrowMetadataVersion__V2 ? "V2" :
m->version == ArrowMetadataVersion__V3 ? "V3" :
m->version == ArrowMetadataVersion__V4 ? "V4" :
m->version == ArrowMetadataVersion__V5 ? "V5" : "???");
__dumpArrowNode(buf, (ArrowNode *)&m->body);
sql_buffer_printf(buf, ", bodyLength=%lu}", m->bodyLength);
}
static void
__dumpArrowBlock(SQLbuffer *buf, ArrowNode *node)
{
sql_buffer_printf(
buf, "{Block: offset=%ld, metaDataLength=%d bodyLength=%ld}",
((ArrowBlock *)node)->offset,
((ArrowBlock *)node)->metaDataLength,
((ArrowBlock *)node)->bodyLength);
}
static void
__dumpArrowFooter(SQLbuffer *buf, ArrowNode *node)
{
ArrowFooter *f = (ArrowFooter *)node;
int i;
sql_buffer_printf(
buf, "{Footer: version=%s, schema=",
f->version == ArrowMetadataVersion__V1 ? "V1" :
f->version == ArrowMetadataVersion__V2 ? "V2" :
f->version == ArrowMetadataVersion__V3 ? "V3" :
f->version == ArrowMetadataVersion__V4 ? "V4" :
f->version == ArrowMetadataVersion__V5 ? "V5" : "???");
__dumpArrowNode(buf, (ArrowNode *)&f->schema);
sql_buffer_printf(buf, ", dictionaries=[");
for (i=0; i < f->_num_dictionaries; i++)
{
if (i > 0)
sql_buffer_printf(buf, ", ");
__dumpArrowNode(buf, (ArrowNode *)&f->dictionaries[i]);
}
sql_buffer_printf(buf, "], recordBatches=[");
for (i=0; i < f->_num_recordBatches; i++)
{
if (i > 0)
sql_buffer_printf(buf, ", ");
__dumpArrowNode(buf, (ArrowNode *)&f->recordBatches[i]);
}
sql_buffer_printf(buf, "]}");
}
static void
__dumpArrowBodyCompression(SQLbuffer *buf, ArrowNode *node)
{
ArrowBodyCompression *compress = (ArrowBodyCompression *)node;
sql_buffer_printf(
buf, "{BodyCompression: codec=%s, method=%s}",
ArrowCompressionTypeAsCstring(compress->codec),
ArrowBodyCompressionMethodAsCstring(compress->method));
}
char *
dumpArrowNode(ArrowNode *node)
{
SQLbuffer buf;
sql_buffer_init(&buf);
__dumpArrowNode(&buf, node);
return buf.data;
}
/*
* sql_buffer_printf - equivalent to appendStringInfo in PG
*/
static void
sql_buffer_printf(SQLbuffer *buf, const char *fmt, ...)
{
if (!buf->data)
sql_buffer_expand(buf, 1024);
for (;;)
{
va_list va_args;
size_t avail = buf->length - buf->usage;
size_t nbytes;
va_start(va_args, fmt);
nbytes = vsnprintf(buf->data + buf->usage, avail, fmt, va_args);
va_end(va_args);
if (nbytes < avail)
{
buf->usage += nbytes;
return;
}
sql_buffer_expand(buf, buf->usage + nbytes);
}
}
/*
* Copy support of ArrowNode
*/
#define COPY_SCALAR(FIELD) \
(dest)->FIELD = (src)->FIELD
#define COPY_CSTRING(FIELD) \
do { \
if ((src)->FIELD) \
{ \
(dest)->FIELD = pstrdup((src)->FIELD); \
(dest)->_##FIELD##_len = strlen((dest)->FIELD); \
} \
else \
{ \
(dest)->FIELD = NULL; \
(dest)->_##FIELD##_len = 0; \
} \
} while(0)
#define COPY_VECTOR(FIELD, NODETYPE) \
do { \
int j; \
\
if ((src)->_num_##FIELD == 0) \
{ \
(dest)->FIELD = NULL; \
} \
else \
{ \
(dest)->FIELD = palloc(sizeof(NODETYPE) * (src)->_num_##FIELD); \
for (j=0; j < (src)->_num_##FIELD; j++) \
__copy##NODETYPE(&(dest)->FIELD[j], &(src)->FIELD[j]); \
} \
(dest)->_num_##FIELD = (src)->_num_##FIELD; \
} while(0)
static void
__copyArrowNode(ArrowNode *dest, const ArrowNode *src)
{
COPY_SCALAR(tag);
COPY_SCALAR(tagName);
COPY_SCALAR(dumpArrowNode);
COPY_SCALAR(copyArrowNode);
}
#define __copyArrowTypeNull __copyArrowNode
#define __copyArrowTypeUtf8 __copyArrowNode
#define __copyArrowTypeBinary __copyArrowNode
#define __copyArrowTypeBool __copyArrowNode
#define __copyArrowTypeList __copyArrowNode
#define __copyArrowTypeStruct __copyArrowNode
#define __copyArrowTypeLargeBinary __copyArrowNode
#define __copyArrowTypeLargeUtf8 __copyArrowNode
#define __copyArrowTypeLargeList __copyArrowNode
static void
__copyArrowTypeInt(ArrowTypeInt *dest, const ArrowTypeInt *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(bitWidth);
COPY_SCALAR(is_signed);
}
static void
__copyArrowTypeFloatingPoint(ArrowTypeFloatingPoint *dest,
const ArrowTypeFloatingPoint *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(precision);
}
static void
__copyArrowTypeDecimal(ArrowTypeDecimal *dest, const ArrowTypeDecimal *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(precision);
COPY_SCALAR(scale);
COPY_SCALAR(bitWidth);
}
static void
__copyArrowTypeDate(ArrowTypeDate *dest, const ArrowTypeDate *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(unit);
}
static void
__copyArrowTypeTime(ArrowTypeTime *dest, const ArrowTypeTime *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(unit);
COPY_SCALAR(bitWidth);
}
static void
__copyArrowTypeTimestamp(ArrowTypeTimestamp *dest,
const ArrowTypeTimestamp *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(unit);
COPY_CSTRING(timezone);
}
static void
__copyArrowTypeInterval(ArrowTypeInterval *dest,
const ArrowTypeInterval *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(unit);
}
static void
__copyArrowTypeUnion(ArrowTypeUnion *dest, const ArrowTypeUnion *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(mode);
if (!src->typeIds)
dest->typeIds = NULL;
else
{
dest->typeIds = palloc(sizeof(int32_t) * src->_num_typeIds);
memcpy(dest->typeIds, src->typeIds, sizeof(int32_t) * src->_num_typeIds);
}
dest->_num_typeIds = src->_num_typeIds;
}
static void
__copyArrowTypeDuration(ArrowTypeDuration *dest, const ArrowTypeDuration *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(unit);
}
static void
__copyArrowTypeFixedSizeBinary(ArrowTypeFixedSizeBinary *dest,
const ArrowTypeFixedSizeBinary *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(byteWidth);
}
static void
__copyArrowTypeFixedSizeList(ArrowTypeFixedSizeList *dest,
const ArrowTypeFixedSizeList *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(listSize);
}
static void
__copyArrowTypeMap(ArrowTypeMap *dest, const ArrowTypeMap *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(keysSorted);
}
static void
__copyArrowType(ArrowType *dest, const ArrowType *src)
{
src->node.copyArrowNode(&dest->node, &src->node);
}
static void
__copyArrowBuffer(ArrowBuffer *dest, const ArrowBuffer *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(offset);
COPY_SCALAR(length);
}
static void
__copyArrowKeyValue(ArrowKeyValue *dest, const ArrowKeyValue *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_CSTRING(key);
COPY_CSTRING(value);
}
static void
__copyArrowDictionaryEncoding(ArrowDictionaryEncoding *dest,
const ArrowDictionaryEncoding *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(id);
__copyArrowTypeInt(&dest->indexType, &src->indexType);
COPY_SCALAR(isOrdered);
}
static void
__copyArrowField(ArrowField *dest, const ArrowField *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_CSTRING(name);
COPY_SCALAR(nullable);
__copyArrowType(&dest->type, &src->type);
if (!src->dictionary)
dest->dictionary = NULL;
else
{
dest->dictionary = palloc0(sizeof(ArrowDictionaryEncoding));
__copyArrowDictionaryEncoding(dest->dictionary, src->dictionary);
}
COPY_VECTOR(children, ArrowField);
COPY_VECTOR(custom_metadata, ArrowKeyValue);
}
static void
__copyArrowFieldNode(ArrowFieldNode *dest, const ArrowFieldNode *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(length);
COPY_SCALAR(null_count);
}
static void
__copyArrowSchema(ArrowSchema *dest, const ArrowSchema *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(endianness);
COPY_VECTOR(fields, ArrowField);
COPY_VECTOR(custom_metadata, ArrowKeyValue);
if (!src->features)
dest->features = NULL;
else
{
dest->features = palloc0(sizeof(ArrowFeature) * src->_num_features);
memcpy(dest->features, src->features,
sizeof(ArrowFeature) * src->_num_features);
}
dest->_num_features = src->_num_features;
}
static void
__copyArrowRecordBatch(ArrowRecordBatch *dest, const ArrowRecordBatch *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(length);
COPY_VECTOR(nodes, ArrowFieldNode);
COPY_VECTOR(buffers, ArrowBuffer);
}
static void
__copyArrowDictionaryBatch(ArrowDictionaryBatch *dest,
const ArrowDictionaryBatch *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(id);
__copyArrowRecordBatch(&dest->data, &src->data);
COPY_SCALAR(isDelta);
}
static void
__copyArrowMessage(ArrowMessage *dest, const ArrowMessage *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(version);
switch (src->body.node.tag)
{
case ArrowNodeTag__Schema:
__copyArrowSchema(&dest->body.schema, &src->body.schema);
break;
case ArrowNodeTag__RecordBatch:
__copyArrowDictionaryBatch(&dest->body.dictionaryBatch,
&src->body.dictionaryBatch);
break;
case ArrowNodeTag__DictionaryBatch:
__copyArrowRecordBatch(&dest->body.recordBatch,
&src->body.recordBatch);
break;
default:
Elog("Bug? unknown ArrowMessageBody");
}
COPY_SCALAR(bodyLength);
}
static void
__copyArrowBlock(ArrowBlock *dest, const ArrowBlock *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(offset);
COPY_SCALAR(metaDataLength);
COPY_SCALAR(bodyLength);
}
static void
__copyArrowFooter(ArrowFooter *dest, const ArrowFooter *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(version);
__copyArrowSchema(&dest->schema, &src->schema);
COPY_VECTOR(dictionaries, ArrowBlock);
COPY_VECTOR(recordBatches, ArrowBlock);
}
static void
__copyArrowBodyCompression(ArrowBodyCompression *dest, const ArrowBodyCompression *src)
{
__copyArrowNode(&dest->node, &src->node);
COPY_SCALAR(codec);
COPY_SCALAR(method);
}
void
copyArrowNode(ArrowNode *dest, const ArrowNode *src)
{
src->copyArrowNode(dest, src);
}
const char *
arrowNodeName(ArrowNode *node)
{
static __thread char buf[128];
ArrowPrecision prep;
ArrowDateUnit d_unit;
ArrowTimeUnit t_unit;
ArrowIntervalUnit i_unit;
const char *timezone;
int off;
switch (node->tag)
{
case ArrowNodeTag__Null:
return "Arrow::Null";
case ArrowNodeTag__Int:
snprintf(buf, sizeof(buf), "Arrow::%s%d",
((ArrowTypeInt *)node)->is_signed ? "Int" : "Uint",
((ArrowTypeInt *)node)->bitWidth);
return buf;
case ArrowNodeTag__FloatingPoint:
prep = ((ArrowTypeFloatingPoint*)node)->precision;
snprintf(buf, sizeof(buf), "Arrow::Float%s",
ArrowPrecisionAsCstring(prep));
return buf;
case ArrowNodeTag__Utf8:
return "Arrow::Utf8";
case ArrowNodeTag__Binary:
return "Arrow::Binary";
case ArrowNodeTag__Bool:
return "Arrow::Bool";
case ArrowNodeTag__Decimal:
if (((ArrowTypeDecimal *)node)->scale == 0)
snprintf(buf, sizeof(buf), "Arrow::Decimal%d(%d)",
((ArrowTypeDecimal *)node)->bitWidth,
((ArrowTypeDecimal *)node)->precision);
else
snprintf(buf, sizeof(buf), "Arrow::Decimal%d(%d,%d)",
((ArrowTypeDecimal *)node)->bitWidth,
((ArrowTypeDecimal *)node)->precision,
((ArrowTypeDecimal *)node)->scale);
return buf;
case ArrowNodeTag__Date:
d_unit = ((ArrowTypeDate *)node)->unit;
snprintf(buf, sizeof(buf), "Arrow::Date[%s]",
ArrowDateUnitAsCstring(d_unit));
return buf;
case ArrowNodeTag__Time:
t_unit = ((ArrowTypeTime *)node)->unit;
snprintf(buf, sizeof(buf), "Arrow::Time%d%s",
((ArrowTypeTime *)node)->bitWidth,
ArrowTimeUnitAsCstring(t_unit));
return buf;
case ArrowNodeTag__Timestamp:
t_unit = ((ArrowTypeTimestamp *)node)->unit;
timezone = ((ArrowTypeTimestamp *)node)->timezone;
off = snprintf(buf, sizeof(buf), "Arrow::Timestamp%s",
ArrowTimeUnitAsCstring(t_unit));
if (timezone)
snprintf(buf+off, sizeof(buf)-off, " <%s>", timezone);
return buf;
case ArrowNodeTag__Interval:
i_unit = ((ArrowTypeInterval *)node)->unit;
snprintf(buf, sizeof(buf), "Arrow::Interval[%s]",
ArrowIntervalUnitAsCstring(i_unit));
return buf;
case ArrowNodeTag__List:
return "Arrow::List";
case ArrowNodeTag__Struct:
return "Arrow::Struct";
case ArrowNodeTag__Union:
return "Arrow::Union";
case ArrowNodeTag__FixedSizeBinary:
snprintf(buf, sizeof(buf), "Arrow::FixedSizeBinary<%d>",
((ArrowTypeFixedSizeBinary *)node)->byteWidth);
return buf;
case ArrowNodeTag__FixedSizeList:
snprintf(buf, sizeof(buf), "Arrow::FixedSizeList<%d>",
((ArrowTypeFixedSizeList *)node)->listSize);
return buf;
case ArrowNodeTag__Map:
return "Arrow::Map";
case ArrowNodeTag__Duration:
t_unit = ((ArrowTypeDuration *)node)->unit;
snprintf(buf, sizeof(buf), "Arrow::Duration%s",
t_unit == ArrowTimeUnit__Second ? "" :
t_unit == ArrowTimeUnit__MilliSecond ? "[ms]" :
t_unit == ArrowTimeUnit__MicroSecond ? "[us]" :
t_unit == ArrowTimeUnit__NanoSecond ? "[ns]" : "[??]");
return buf;
case ArrowNodeTag__LargeBinary:
return "Arrow::LargeBinary";
case ArrowNodeTag__LargeUtf8:
return "Arrow::LargeUtf8";
case ArrowNodeTag__LargeList:
return "Arrow::LargeList";
case ArrowNodeTag__KeyValue:
return "Arrow::KeyValue";
case ArrowNodeTag__DictionaryEncoding:
return "Arrow::DictionaryEncoding";
case ArrowNodeTag__Field:
return "Arrow::Field";
case ArrowNodeTag__FieldNode:
return "Arrow::FieldNode";
case ArrowNodeTag__Buffer:
return "Arrow::Buffer";
case ArrowNodeTag__Schema:
return "Arrow::Schema";
case ArrowNodeTag__RecordBatch:
return "Arrow::RecordBatch";
case ArrowNodeTag__DictionaryBatch:
return "Arrow::DictionaryBatch";
case ArrowNodeTag__Message:
return "Arrow::Message";
case ArrowNodeTag__Block:
return "Arrow::Block";
case ArrowNodeTag__Footer:
return "Arrow::Footer";
case ArrowNodeTag__BodyCompression:
return "Arrow::BodyCompression";