Initial commit but not compiling yet

pull/1/head
Xavier Stevens 2014-09-18 17:33:49 -07:00
parent 8c554c0b6f
commit 0241c144fc
6 changed files with 924 additions and 6 deletions

11
.gitignore vendored
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@ -4,15 +4,9 @@
*.obj
*.elf
# Precompiled Headers
*.gch
*.pch
# Libraries
*.lib
*.a
*.la
*.lo
# Shared objects (inc. Windows DLLs)
*.dll
@ -27,3 +21,8 @@
*.i*86
*.x86_64
*.hex
# Eclipse
.cproject
.project
.settings

14
Makefile Normal file
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@ -0,0 +1,14 @@
MODULES = decoderbufs
PROTOBUF_C_CFLAGS = $(shell pkg-config --cflags 'libprotobuf-c >= 1.0.0')
PROTOBUF_C_LDFLAGS = $(shell pkg-config --libs 'libprotobuf-c >= 1.0.0')
PG_CPPFLAGS += -std=c11 $(PROTOBUF_C_CFLAGS)
SHLIB_LINK += $(PROTOBUF_C_LDFLAGS)
MODULE_big = $(patsubst src/%.c,%,$(wildcard src/*.c))
OBJS = src/decoderbufs.o src/proto/pg_logicaldec.pb-c.o
PG_CONFIG = pg_config
PGXS := $(shell $(PG_CONFIG) --pgxs)
include $(PGXS)

32
proto/pg_logicaldec.proto Normal file
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package decoderbufs;
option java_package="dedoderbufs.proto";
option java_outer_classname = "TxnProto";
option optimize_for = SPEED;
enum Op {
INSERT = 0;
UPDATE = 1;
DELETE = 2;
}
message DatumMessage {
optional string column_name = 1;
optional int64 column_type = 2;
optional int32 datum_int32 = 3;
optional int64 datum_int64 = 4;
optional float datum_float = 5;
optional double datum_double = 6;
optional bool datum_bool = 7;
optional string datum_string = 8;
optional bytes datum_bytes = 9;
}
message TxnMessage {
optional sint64 timestamp = 1;
optional int64 xid = 2;
optional string table = 3;
optional Op op = 4;
optional DatumMessage new_datum = 5;
optional DatumMessage old_datum = 6;
}

368
src/decoderbufs.c Normal file
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/*
* decoderbufs - PostgreSQL output plug-in for logical replication to Protocol
* Buffers
*
* Copyright (c) 2014 Xavier Stevens
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
*all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "postgres.h"
#include "funcapi.h"
#include "catalog/pg_class.h"
#include "catalog/pg_type.h"
#include "replication/output_plugin.h"
#include "replication/logical.h"
#include "utils/builtins.h"
#include "utils/lsyscache.h"
#include "utils/json.h"
#include "utils/memutils.h"
#include "utils/numeric.h"
#include "utils/rel.h"
#include "utils/relcache.h"
#include "utils/syscache.h"
#include "utils/typcache.h"
#include "proto/pg_logicaldec.pb-c.h"
PG_MODULE_MAGIC;
typedef struct {
MemoryContext context;
Decoderbufs__TxnMessage *txn_msg;
bool debug_mode;
} DecoderData;
/* These must be available to pg_dlsym() */
extern void _PG_init(void);
extern void _PG_output_plugin_init(OutputPluginCallbacks *cb);
static void pg_decode_startup(LogicalDecodingContext *ctx,
OutputPluginOptions *opt, bool is_init);
static void pg_decode_shutdown(LogicalDecodingContext *ctx);
static void pg_decode_begin_txn(LogicalDecodingContext *ctx,
ReorderBufferTXN *txn);
static void pg_decode_commit_txn(LogicalDecodingContext *ctx,
ReorderBufferTXN *txn, XLogRecPtr commit_lsn);
static void pg_decode_change(LogicalDecodingContext *ctx, ReorderBufferTXN *txn,
Relation rel, ReorderBufferChange *change);
void _PG_init(void) {}
/* specify output plugin callbacks */
void _PG_output_plugin_init(OutputPluginCallbacks *cb) {
AssertVariableIsOfType(&_PG_output_plugin_init, LogicalOutputPluginInit);
cb->startup_cb = pg_decode_startup;
cb->begin_cb = pg_decode_begin_txn;
cb->change_cb = pg_decode_change;
cb->commit_cb = pg_decode_commit_txn;
cb->shutdown_cb = pg_decode_shutdown;
}
/* initialize this plugin */
static void pg_decode_startup(LogicalDecodingContext *ctx,
OutputPluginOptions *opt, bool is_init) {
ListCell *option;
DecoderData *data;
data = palloc(sizeof(DecoderData));
data->context = AllocSetContextCreate(ctx->context, "decoderbufs context",
ALLOCSET_DEFAULT_MINSIZE, ALLOCSET_DEFAULT_INITSIZE,
ALLOCSET_DEFAULT_MAXSIZE);
ctx->output_plugin_private = data;
opt->output_type = OUTPUT_PLUGIN_BINARY_OUTPUT;
foreach(option, ctx->output_plugin_options) {
DefElem *elem = lfirst(option);
Assert(elem->arg == NULL || IsA(elem->arg, String));
if (strcmp(elem->defname, "debug-mode") == 0) {
bool debug_mode;
if (elem->arg == NULL)
debug_mode = false;
else if (!parse_bool(strVal(elem->arg), &debug_mode))
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("could not parse value \"%s\" for parameter \"%s\"",
strVal(elem->arg), elem->defname)));
if (debug_mode)
opt->output_type = OUTPUT_PLUGIN_TEXTUAL_OUTPUT;
} else {
ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("option \"%s\" = \"%s\" is unknown", elem->defname,
elem->arg ? strVal(elem->arg) : "(null)")));
}
}
}
static void free_txn_msg_datums(Decoderbufs__TxnMessage *msg) {
if (msg->new_datum) {
if (msg->new_datum->has_datum_bytes) {
pfree(msg->new_datum->datum_bytes.data);
msg->new_datum->datum_bytes.data = NULL;
msg->new_datum->datum_bytes.len = 0;
}
pfree(msg->new_datum);
}
if (msg->old_datum) {
if (msg->old_datum->has_datum_bytes) {
pfree(msg->old_datum->datum_bytes.data);
msg->old_datum->datum_bytes.data = NULL;
msg->old_datum->datum_bytes.len = 0;
}
pfree(msg->old_datum);
}
}
/* cleanup this plugin's resources */
static void pg_decode_shutdown(LogicalDecodingContext *ctx) {
DecoderData *data = ctx->output_plugin_private;
/* cleanup our own resources via memory context reset */
MemoryContextDelete(data->context);
}
/* BEGIN callback */
static void pg_decode_begin_txn(LogicalDecodingContext *ctx,
ReorderBufferTXN *txn) {
DecoderData *data = ctx->output_plugin_private;
Decoderbufs__TxnMessage msg = DECODERBUFS__TXN_MESSAGE__INIT;
data->txn_msg = &msg;
data->txn_msg->xid = txn->xid;
}
/* COMMIT callback */
static void pg_decode_commit_txn(LogicalDecodingContext *ctx,
ReorderBufferTXN *txn, XLogRecPtr commit_lsn) {
DecoderData *data = ctx->output_plugin_private;
Decoderbufs__TxnMessage *msg = data->txn_msg;
msg->timestamp = txn->commit_time;
OutputPluginPrepareWrite(ctx, true);
size_t psize = decoderbufs__txn_message__get_packed_size(msg);
void *packed = palloc(psize);
size_t ssize = decoderbufs__txn_message__pack(msg, packed);
appendBinaryStringInfo(ctx->out, packed, ssize);
OutputPluginWrite(ctx, true);
pfree(packed);
free_txn_msg_datums(msg);
}
/* this doesn't seem to be available in the public api (unfortunate) */
static double numeric_to_double_no_overflow(Numeric num) {
char *tmp;
double val;
char *endptr;
tmp = DatumGetCString(DirectFunctionCall1(numeric_out,
NumericGetDatum(num)));
/* unlike float8in, we ignore ERANGE from strtod */
val = strtod(tmp, &endptr);
if (*endptr != '\0')
{
/* shouldn't happen ... */
ereport(ERROR,
(errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
errmsg("invalid input syntax for type double precision: \"%s\"",
tmp)));
}
pfree(tmp);
return val;
}
static void set_datum_value(Decoderbufs__DatumMessage *datum_msg, Oid typid, Oid typoutput, Datum datum) {
Numeric num;
char c;
bytea *valptr;
char *output;
switch (typid) {
case BOOLOID:
datum_msg->datum_bool = DatumGetBool(datum);
break;
case INT2OID:
datum_msg->datum_int32 = DatumGetInt16(datum);
break;
case INT4OID:
datum_msg->datum_int32 = DatumGetInt32(datum);
break;
case INT8OID:
datum_msg->datum_int64 = DatumGetInt64(datum);
break;
case OIDOID:
break;
case FLOAT4OID:
datum_msg->datum_float = DatumGetFloat4(datum);
break;
case FLOAT8OID:
datum_msg->datum_double = DatumGetFloat8(datum);
break;
case NUMERICOID:
num = DatumGetNumeric(datum);
if (!numeric_is_nan(num)) {
datum_msg->datum_double = numeric_to_double_no_overflow(num);
}
break;
case CHAROID:
c = DatumGetChar(datum);
datum_msg->datum_string = &c;
break;
case VARCHAROID:
case TEXTOID:
datum_msg->datum_string = DatumGetCString(datum);
break;
case BYTEAOID:
valptr = DatumGetByteaPCopy(datum);
int size = VARSIZE(valptr);
datum_msg->datum_bytes = *((ProtobufCBinaryData *)palloc(sizeof(ProtobufCBinaryData)));
datum_msg->datum_bytes.data = (uint8_t *)VARDATA(valptr);
datum_msg->datum_bytes.len = size - VARHDRSZ;
break;
default:
output = OidOutputFunctionCall(typoutput, datum);
datum_msg->datum_bytes = *((ProtobufCBinaryData *)palloc(sizeof(ProtobufCBinaryData)));
datum_msg->datum_bytes.data = (uint8_t *)output;
datum_msg->datum_bytes.len = sizeof(output);
break;
}
}
static Decoderbufs__DatumMessage tuple_to_datum_msg(Relation relation, HeapTuple tuple) {
TupleDesc tupdesc = RelationGetDescr(relation);
int natt;
Decoderbufs__DatumMessage datum_msg = DECODERBUFS__DATUM_MESSAGE__INIT;
/* Build column names and values */
for (natt = 0; natt < tupdesc->natts; natt++) {
Form_pg_attribute attr;
Datum origval;
bool isnull;
attr = tupdesc->attrs[natt];
/* Skip dropped columns and system columns */
if (attr->attisdropped || attr->attnum < 0)
continue;
/* Set the column name */
datum_msg.column_name = quote_identifier(NameStr(attr->attname));
/* Get Datum from tuple */
origval = fastgetattr(tuple, natt + 1, tupdesc, &isnull);
/* Get output function */
datum_msg.column_type = attr->atttypid;
Oid typoutput;
bool typisvarlena;
/* Query output function */
getTypeOutputInfo(attr->atttypid, &typoutput, &typisvarlena);
if (!isnull) {
if (typisvarlena && VARATT_IS_EXTERNAL_ONDISK(origval)) {
// what to do if anything?
} else if (!typisvarlena) {
set_datum_value(&datum_msg, attr->atttypid, typoutput, origval);
} else {
Datum val = PointerGetDatum(PG_DETOAST_DATUM(origval));
set_datum_value(&datum_msg, attr->atttypid, typoutput, val);
}
}
}
return datum_msg;
}
/*
* callback for individual changed tuples
*/
static void pg_decode_change(LogicalDecodingContext *ctx, ReorderBufferTXN *txn,
Relation relation, ReorderBufferChange *change) {
DecoderData *data;
MemoryContext old;
Form_pg_class class_form;
char replident = relation->rd_rel->relreplident;
bool is_rel_non_selective;
class_form = RelationGetForm(relation);
data = ctx->output_plugin_private;
/* Avoid leaking memory by using and resetting our own context */
old = MemoryContextSwitchTo(data->context);
RelationGetIndexList(relation);
is_rel_non_selective = (replident == REPLICA_IDENTITY_NOTHING ||
(replident == REPLICA_IDENTITY_DEFAULT &&
!OidIsValid(relation->rd_replidindex)));
/* set common fields */
data->txn_msg->table = quote_qualified_identifier(
get_namespace_name(
get_rel_namespace(RelationGetRelid(relation))),
NameStr(class_form->relname));
/* decode different operation types */
switch (change->action) {
case REORDER_BUFFER_CHANGE_INSERT:
data->txn_msg->op = DECODERBUFS__OP__INSERT;
if (change->data.tp.newtuple != NULL) {
HeapTupleGetDatum(&change->data.tp.newtuple->tuple);
Decoderbufs__DatumMessage new_datum = tuple_to_datum_msg(relation,
&change->data.tp.newtuple->tuple);
data->txn_msg->new_datum = &new_datum;
}
break;
case REORDER_BUFFER_CHANGE_UPDATE:
data->txn_msg->op = DECODERBUFS__OP__UPDATE;
if (is_rel_non_selective) {
if (change->data.tp.oldtuple != NULL) {
Decoderbufs__DatumMessage old_datum = tuple_to_datum_msg(relation,
&change->data.tp.oldtuple->tuple);
data->txn_msg->old_datum = &old_datum;
}
if (change->data.tp.newtuple != NULL) {
Decoderbufs__DatumMessage new_datum = tuple_to_datum_msg(relation,
&change->data.tp.newtuple->tuple);
data->txn_msg->new_datum = &new_datum;
}
}
break;
case REORDER_BUFFER_CHANGE_DELETE:
data->txn_msg->op = DECODERBUFS__OP__DELETE;
/* if there was no PK, we only know that a delete happened */
if (is_rel_non_selective && change->data.tp.oldtuple != NULL) {
Decoderbufs__DatumMessage old_datum = tuple_to_datum_msg(relation,
&change->data.tp.oldtuple->tuple);
data->txn_msg->old_datum = &old_datum;
}
break;
default:
Assert(0);
break;
}
MemoryContextSwitchTo(old);
MemoryContextReset(data->context);
}

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/* Generated by the protocol buffer compiler. DO NOT EDIT! */
/* Generated from: proto/pg_logicaldec.proto */
/* Do not generate deprecated warnings for self */
#ifndef PROTOBUF_C__NO_DEPRECATED
#define PROTOBUF_C__NO_DEPRECATED
#endif
#include "proto/pg_logicaldec.pb-c.h"
void decoderbufs__datum_message__init
(Decoderbufs__DatumMessage *message)
{
static Decoderbufs__DatumMessage init_value = DECODERBUFS__DATUM_MESSAGE__INIT;
*message = init_value;
}
size_t decoderbufs__datum_message__get_packed_size
(const Decoderbufs__DatumMessage *message)
{
assert(message->base.descriptor == &decoderbufs__datum_message__descriptor);
return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message));
}
size_t decoderbufs__datum_message__pack
(const Decoderbufs__DatumMessage *message,
uint8_t *out)
{
assert(message->base.descriptor == &decoderbufs__datum_message__descriptor);
return protobuf_c_message_pack ((const ProtobufCMessage*)message, out);
}
size_t decoderbufs__datum_message__pack_to_buffer
(const Decoderbufs__DatumMessage *message,
ProtobufCBuffer *buffer)
{
assert(message->base.descriptor == &decoderbufs__datum_message__descriptor);
return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer);
}
Decoderbufs__DatumMessage *
decoderbufs__datum_message__unpack
(ProtobufCAllocator *allocator,
size_t len,
const uint8_t *data)
{
return (Decoderbufs__DatumMessage *)
protobuf_c_message_unpack (&decoderbufs__datum_message__descriptor,
allocator, len, data);
}
void decoderbufs__datum_message__free_unpacked
(Decoderbufs__DatumMessage *message,
ProtobufCAllocator *allocator)
{
assert(message->base.descriptor == &decoderbufs__datum_message__descriptor);
protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator);
}
void decoderbufs__txn_message__init
(Decoderbufs__TxnMessage *message)
{
static Decoderbufs__TxnMessage init_value = DECODERBUFS__TXN_MESSAGE__INIT;
*message = init_value;
}
size_t decoderbufs__txn_message__get_packed_size
(const Decoderbufs__TxnMessage *message)
{
assert(message->base.descriptor == &decoderbufs__txn_message__descriptor);
return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message));
}
size_t decoderbufs__txn_message__pack
(const Decoderbufs__TxnMessage *message,
uint8_t *out)
{
assert(message->base.descriptor == &decoderbufs__txn_message__descriptor);
return protobuf_c_message_pack ((const ProtobufCMessage*)message, out);
}
size_t decoderbufs__txn_message__pack_to_buffer
(const Decoderbufs__TxnMessage *message,
ProtobufCBuffer *buffer)
{
assert(message->base.descriptor == &decoderbufs__txn_message__descriptor);
return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer);
}
Decoderbufs__TxnMessage *
decoderbufs__txn_message__unpack
(ProtobufCAllocator *allocator,
size_t len,
const uint8_t *data)
{
return (Decoderbufs__TxnMessage *)
protobuf_c_message_unpack (&decoderbufs__txn_message__descriptor,
allocator, len, data);
}
void decoderbufs__txn_message__free_unpacked
(Decoderbufs__TxnMessage *message,
ProtobufCAllocator *allocator)
{
assert(message->base.descriptor == &decoderbufs__txn_message__descriptor);
protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator);
}
static const ProtobufCFieldDescriptor decoderbufs__datum_message__field_descriptors[9] =
{
{
"column_name",
1,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_STRING,
0, /* quantifier_offset */
offsetof(Decoderbufs__DatumMessage, column_name),
NULL,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
{
"column_type",
2,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_INT64,
offsetof(Decoderbufs__DatumMessage, has_column_type),
offsetof(Decoderbufs__DatumMessage, column_type),
NULL,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
{
"datum_int32",
3,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_INT32,
offsetof(Decoderbufs__DatumMessage, has_datum_int32),
offsetof(Decoderbufs__DatumMessage, datum_int32),
NULL,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
{
"datum_int64",
4,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_INT64,
offsetof(Decoderbufs__DatumMessage, has_datum_int64),
offsetof(Decoderbufs__DatumMessage, datum_int64),
NULL,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
{
"datum_float",
5,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_FLOAT,
offsetof(Decoderbufs__DatumMessage, has_datum_float),
offsetof(Decoderbufs__DatumMessage, datum_float),
NULL,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
{
"datum_double",
6,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_DOUBLE,
offsetof(Decoderbufs__DatumMessage, has_datum_double),
offsetof(Decoderbufs__DatumMessage, datum_double),
NULL,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
{
"datum_bool",
7,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_BOOL,
offsetof(Decoderbufs__DatumMessage, has_datum_bool),
offsetof(Decoderbufs__DatumMessage, datum_bool),
NULL,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
{
"datum_string",
8,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_STRING,
0, /* quantifier_offset */
offsetof(Decoderbufs__DatumMessage, datum_string),
NULL,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
{
"datum_bytes",
9,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_BYTES,
offsetof(Decoderbufs__DatumMessage, has_datum_bytes),
offsetof(Decoderbufs__DatumMessage, datum_bytes),
NULL,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
};
static const unsigned decoderbufs__datum_message__field_indices_by_name[] = {
0, /* field[0] = column_name */
1, /* field[1] = column_type */
6, /* field[6] = datum_bool */
8, /* field[8] = datum_bytes */
5, /* field[5] = datum_double */
4, /* field[4] = datum_float */
2, /* field[2] = datum_int32 */
3, /* field[3] = datum_int64 */
7, /* field[7] = datum_string */
};
static const ProtobufCIntRange decoderbufs__datum_message__number_ranges[1 + 1] =
{
{ 1, 0 },
{ 0, 9 }
};
const ProtobufCMessageDescriptor decoderbufs__datum_message__descriptor =
{
PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
"decoderbufs.DatumMessage",
"DatumMessage",
"Decoderbufs__DatumMessage",
"decoderbufs",
sizeof(Decoderbufs__DatumMessage),
9,
decoderbufs__datum_message__field_descriptors,
decoderbufs__datum_message__field_indices_by_name,
1, decoderbufs__datum_message__number_ranges,
(ProtobufCMessageInit) decoderbufs__datum_message__init,
NULL,NULL,NULL /* reserved[123] */
};
static const ProtobufCFieldDescriptor decoderbufs__txn_message__field_descriptors[6] =
{
{
"timestamp",
1,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_SINT64,
offsetof(Decoderbufs__TxnMessage, has_timestamp),
offsetof(Decoderbufs__TxnMessage, timestamp),
NULL,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
{
"xid",
2,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_INT64,
offsetof(Decoderbufs__TxnMessage, has_xid),
offsetof(Decoderbufs__TxnMessage, xid),
NULL,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
{
"table",
3,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_STRING,
0, /* quantifier_offset */
offsetof(Decoderbufs__TxnMessage, table),
NULL,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
{
"op",
4,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_ENUM,
offsetof(Decoderbufs__TxnMessage, has_op),
offsetof(Decoderbufs__TxnMessage, op),
&decoderbufs__op__descriptor,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
{
"new_datum",
5,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_MESSAGE,
0, /* quantifier_offset */
offsetof(Decoderbufs__TxnMessage, new_datum),
&decoderbufs__datum_message__descriptor,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
{
"old_datum",
6,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_MESSAGE,
0, /* quantifier_offset */
offsetof(Decoderbufs__TxnMessage, old_datum),
&decoderbufs__datum_message__descriptor,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
};
static const unsigned decoderbufs__txn_message__field_indices_by_name[] = {
4, /* field[4] = new_datum */
5, /* field[5] = old_datum */
3, /* field[3] = op */
2, /* field[2] = table */
0, /* field[0] = timestamp */
1, /* field[1] = xid */
};
static const ProtobufCIntRange decoderbufs__txn_message__number_ranges[1 + 1] =
{
{ 1, 0 },
{ 0, 6 }
};
const ProtobufCMessageDescriptor decoderbufs__txn_message__descriptor =
{
PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
"decoderbufs.TxnMessage",
"TxnMessage",
"Decoderbufs__TxnMessage",
"decoderbufs",
sizeof(Decoderbufs__TxnMessage),
6,
decoderbufs__txn_message__field_descriptors,
decoderbufs__txn_message__field_indices_by_name,
1, decoderbufs__txn_message__number_ranges,
(ProtobufCMessageInit) decoderbufs__txn_message__init,
NULL,NULL,NULL /* reserved[123] */
};
const ProtobufCEnumValue decoderbufs__op__enum_values_by_number[3] =
{
{ "INSERT", "DECODERBUFS__OP__INSERT", 0 },
{ "UPDATE", "DECODERBUFS__OP__UPDATE", 1 },
{ "DELETE", "DECODERBUFS__OP__DELETE", 2 },
};
static const ProtobufCIntRange decoderbufs__op__value_ranges[] = {
{0, 0},{0, 3}
};
const ProtobufCEnumValueIndex decoderbufs__op__enum_values_by_name[3] =
{
{ "DELETE", 2 },
{ "INSERT", 0 },
{ "UPDATE", 1 },
};
const ProtobufCEnumDescriptor decoderbufs__op__descriptor =
{
PROTOBUF_C__ENUM_DESCRIPTOR_MAGIC,
"decoderbufs.Op",
"Op",
"Decoderbufs__Op",
"decoderbufs",
3,
decoderbufs__op__enum_values_by_number,
3,
decoderbufs__op__enum_values_by_name,
1,
decoderbufs__op__value_ranges,
NULL,NULL,NULL,NULL /* reserved[1234] */
};

View File

@ -0,0 +1,135 @@
/* Generated by the protocol buffer compiler. DO NOT EDIT! */
/* Generated from: proto/pg_logicaldec.proto */
#ifndef PROTOBUF_C_proto_2fpg_5flogicaldec_2eproto__INCLUDED
#define PROTOBUF_C_proto_2fpg_5flogicaldec_2eproto__INCLUDED
#include <protobuf-c/protobuf-c.h>
PROTOBUF_C__BEGIN_DECLS
#if PROTOBUF_C_VERSION_NUMBER < 1000000
# error This file was generated by a newer version of protoc-c which is incompatible with your libprotobuf-c headers. Please update your headers.
#elif 1000001 < PROTOBUF_C_MIN_COMPILER_VERSION
# error This file was generated by an older version of protoc-c which is incompatible with your libprotobuf-c headers. Please regenerate this file with a newer version of protoc-c.
#endif
typedef struct _Decoderbufs__DatumMessage Decoderbufs__DatumMessage;
typedef struct _Decoderbufs__TxnMessage Decoderbufs__TxnMessage;
/* --- enums --- */
typedef enum _Decoderbufs__Op {
DECODERBUFS__OP__INSERT = 0,
DECODERBUFS__OP__UPDATE = 1,
DECODERBUFS__OP__DELETE = 2
PROTOBUF_C__FORCE_ENUM_TO_BE_INT_SIZE(DECODERBUFS__OP)
} Decoderbufs__Op;
/* --- messages --- */
struct _Decoderbufs__DatumMessage
{
ProtobufCMessage base;
char *column_name;
protobuf_c_boolean has_column_type;
int64_t column_type;
protobuf_c_boolean has_datum_int32;
int32_t datum_int32;
protobuf_c_boolean has_datum_int64;
int64_t datum_int64;
protobuf_c_boolean has_datum_float;
float datum_float;
protobuf_c_boolean has_datum_double;
double datum_double;
protobuf_c_boolean has_datum_bool;
protobuf_c_boolean datum_bool;
char *datum_string;
protobuf_c_boolean has_datum_bytes;
ProtobufCBinaryData datum_bytes;
};
#define DECODERBUFS__DATUM_MESSAGE__INIT \
{ PROTOBUF_C_MESSAGE_INIT (&decoderbufs__datum_message__descriptor) \
, NULL, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, NULL, 0,{0,NULL} }
struct _Decoderbufs__TxnMessage
{
ProtobufCMessage base;
protobuf_c_boolean has_timestamp;
int64_t timestamp;
protobuf_c_boolean has_xid;
int64_t xid;
char *table;
protobuf_c_boolean has_op;
Decoderbufs__Op op;
Decoderbufs__DatumMessage *new_datum;
Decoderbufs__DatumMessage *old_datum;
};
#define DECODERBUFS__TXN_MESSAGE__INIT \
{ PROTOBUF_C_MESSAGE_INIT (&decoderbufs__txn_message__descriptor) \
, 0,0, 0,0, NULL, 0,0, NULL, NULL }
/* Decoderbufs__DatumMessage methods */
void decoderbufs__datum_message__init
(Decoderbufs__DatumMessage *message);
size_t decoderbufs__datum_message__get_packed_size
(const Decoderbufs__DatumMessage *message);
size_t decoderbufs__datum_message__pack
(const Decoderbufs__DatumMessage *message,
uint8_t *out);
size_t decoderbufs__datum_message__pack_to_buffer
(const Decoderbufs__DatumMessage *message,
ProtobufCBuffer *buffer);
Decoderbufs__DatumMessage *
decoderbufs__datum_message__unpack
(ProtobufCAllocator *allocator,
size_t len,
const uint8_t *data);
void decoderbufs__datum_message__free_unpacked
(Decoderbufs__DatumMessage *message,
ProtobufCAllocator *allocator);
/* Decoderbufs__TxnMessage methods */
void decoderbufs__txn_message__init
(Decoderbufs__TxnMessage *message);
size_t decoderbufs__txn_message__get_packed_size
(const Decoderbufs__TxnMessage *message);
size_t decoderbufs__txn_message__pack
(const Decoderbufs__TxnMessage *message,
uint8_t *out);
size_t decoderbufs__txn_message__pack_to_buffer
(const Decoderbufs__TxnMessage *message,
ProtobufCBuffer *buffer);
Decoderbufs__TxnMessage *
decoderbufs__txn_message__unpack
(ProtobufCAllocator *allocator,
size_t len,
const uint8_t *data);
void decoderbufs__txn_message__free_unpacked
(Decoderbufs__TxnMessage *message,
ProtobufCAllocator *allocator);
/* --- per-message closures --- */
typedef void (*Decoderbufs__DatumMessage_Closure)
(const Decoderbufs__DatumMessage *message,
void *closure_data);
typedef void (*Decoderbufs__TxnMessage_Closure)
(const Decoderbufs__TxnMessage *message,
void *closure_data);
/* --- services --- */
/* --- descriptors --- */
extern const ProtobufCEnumDescriptor decoderbufs__op__descriptor;
extern const ProtobufCMessageDescriptor decoderbufs__datum_message__descriptor;
extern const ProtobufCMessageDescriptor decoderbufs__txn_message__descriptor;
PROTOBUF_C__END_DECLS
#endif /* PROTOBUF_C_proto_2fpg_5flogicaldec_2eproto__INCLUDED */