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logicalproto.h File Reference
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Data Structures

struct  LogicalRepTupleData
 
struct  LogicalRepRelation
 
struct  LogicalRepTyp
 
struct  LogicalRepBeginData
 
struct  LogicalRepCommitData
 

Macros

#define LOGICALREP_PROTO_MIN_VERSION_NUM   1
 
#define LOGICALREP_PROTO_VERSION_NUM   1
 
#define LOGICALREP_COLUMN_NULL   'n'
 
#define LOGICALREP_COLUMN_UNCHANGED   'u'
 
#define LOGICALREP_COLUMN_TEXT   't'
 
#define LOGICALREP_COLUMN_BINARY   'b' /* added in PG14 */
 

Typedefs

typedef struct LogicalRepTupleData LogicalRepTupleData
 
typedef uint32 LogicalRepRelId
 
typedef struct LogicalRepRelation LogicalRepRelation
 
typedef struct LogicalRepTyp LogicalRepTyp
 
typedef struct LogicalRepBeginData LogicalRepBeginData
 
typedef struct LogicalRepCommitData LogicalRepCommitData
 

Functions

void logicalrep_write_begin (StringInfo out, ReorderBufferTXN *txn)
 
void logicalrep_read_begin (StringInfo in, LogicalRepBeginData *begin_data)
 
void logicalrep_write_commit (StringInfo out, ReorderBufferTXN *txn, XLogRecPtr commit_lsn)
 
void logicalrep_read_commit (StringInfo in, LogicalRepCommitData *commit_data)
 
void logicalrep_write_origin (StringInfo out, const char *origin, XLogRecPtr origin_lsn)
 
char * logicalrep_read_origin (StringInfo in, XLogRecPtr *origin_lsn)
 
void logicalrep_write_insert (StringInfo out, Relation rel, HeapTuple newtuple, bool binary)
 
LogicalRepRelId logicalrep_read_insert (StringInfo in, LogicalRepTupleData *newtup)
 
void logicalrep_write_update (StringInfo out, Relation rel, HeapTuple oldtuple, HeapTuple newtuple, bool binary)
 
LogicalRepRelId logicalrep_read_update (StringInfo in, bool *has_oldtuple, LogicalRepTupleData *oldtup, LogicalRepTupleData *newtup)
 
void logicalrep_write_delete (StringInfo out, Relation rel, HeapTuple oldtuple, bool binary)
 
LogicalRepRelId logicalrep_read_delete (StringInfo in, LogicalRepTupleData *oldtup)
 
void logicalrep_write_truncate (StringInfo out, int nrelids, Oid relids[], bool cascade, bool restart_seqs)
 
Listlogicalrep_read_truncate (StringInfo in, bool *cascade, bool *restart_seqs)
 
void logicalrep_write_rel (StringInfo out, Relation rel)
 
LogicalRepRelationlogicalrep_read_rel (StringInfo in)
 
void logicalrep_write_typ (StringInfo out, Oid typoid)
 
void logicalrep_read_typ (StringInfo out, LogicalRepTyp *ltyp)
 

Macro Definition Documentation

◆ LOGICALREP_COLUMN_BINARY

#define LOGICALREP_COLUMN_BINARY   'b' /* added in PG14 */

◆ LOGICALREP_COLUMN_NULL

#define LOGICALREP_COLUMN_NULL   'n'

Definition at line 46 of file logicalproto.h.

Referenced by logicalrep_read_tuple(), and logicalrep_write_tuple().

◆ LOGICALREP_COLUMN_TEXT

#define LOGICALREP_COLUMN_TEXT   't'

◆ LOGICALREP_COLUMN_UNCHANGED

#define LOGICALREP_COLUMN_UNCHANGED   'u'

◆ LOGICALREP_PROTO_MIN_VERSION_NUM

#define LOGICALREP_PROTO_MIN_VERSION_NUM   1

Definition at line 27 of file logicalproto.h.

Referenced by pgoutput_startup().

◆ LOGICALREP_PROTO_VERSION_NUM

#define LOGICALREP_PROTO_VERSION_NUM   1

Definition at line 28 of file logicalproto.h.

Referenced by ApplyWorkerMain(), and pgoutput_startup().

Typedef Documentation

◆ LogicalRepBeginData

◆ LogicalRepCommitData

◆ LogicalRepRelation

◆ LogicalRepRelId

Definition at line 51 of file logicalproto.h.

◆ LogicalRepTupleData

◆ LogicalRepTyp

typedef struct LogicalRepTyp LogicalRepTyp

Function Documentation

◆ logicalrep_read_begin()

void logicalrep_read_begin ( StringInfo  in,
LogicalRepBeginData begin_data 
)

Definition at line 59 of file proto.c.

References LogicalRepBeginData::committime, elog, ERROR, LogicalRepBeginData::final_lsn, InvalidXLogRecPtr, pq_getmsgint(), pq_getmsgint64(), and LogicalRepBeginData::xid.

Referenced by apply_handle_begin().

60 {
61  /* read fields */
62  begin_data->final_lsn = pq_getmsgint64(in);
63  if (begin_data->final_lsn == InvalidXLogRecPtr)
64  elog(ERROR, "final_lsn not set in begin message");
65  begin_data->committime = pq_getmsgint64(in);
66  begin_data->xid = pq_getmsgint(in, 4);
67 }
TransactionId xid
Definition: logicalproto.h:81
#define InvalidXLogRecPtr
Definition: xlogdefs.h:28
#define ERROR
Definition: elog.h:43
XLogRecPtr final_lsn
Definition: logicalproto.h:79
#define elog(elevel,...)
Definition: elog.h:214
int64 pq_getmsgint64(StringInfo msg)
Definition: pqformat.c:455
unsigned int pq_getmsgint(StringInfo msg, int b)
Definition: pqformat.c:417
TimestampTz committime
Definition: logicalproto.h:80

◆ logicalrep_read_commit()

void logicalrep_read_commit ( StringInfo  in,
LogicalRepCommitData commit_data 
)

Definition at line 94 of file proto.c.

References LogicalRepCommitData::commit_lsn, LogicalRepCommitData::committime, elog, LogicalRepCommitData::end_lsn, ERROR, pq_getmsgbyte(), and pq_getmsgint64().

Referenced by apply_handle_commit().

95 {
96  /* read flags (unused for now) */
97  uint8 flags = pq_getmsgbyte(in);
98 
99  if (flags != 0)
100  elog(ERROR, "unrecognized flags %u in commit message", flags);
101 
102  /* read fields */
103  commit_data->commit_lsn = pq_getmsgint64(in);
104  commit_data->end_lsn = pq_getmsgint64(in);
105  commit_data->committime = pq_getmsgint64(in);
106 }
unsigned char uint8
Definition: c.h:372
#define ERROR
Definition: elog.h:43
int pq_getmsgbyte(StringInfo msg)
Definition: pqformat.c:401
#define elog(elevel,...)
Definition: elog.h:214
int64 pq_getmsgint64(StringInfo msg)
Definition: pqformat.c:455
XLogRecPtr commit_lsn
Definition: logicalproto.h:86
TimestampTz committime
Definition: logicalproto.h:88

◆ logicalrep_read_delete()

LogicalRepRelId logicalrep_read_delete ( StringInfo  in,
LogicalRepTupleData oldtup 
)

Definition at line 275 of file proto.c.

References generate_unaccent_rules::action, elog, ERROR, logicalrep_read_tuple(), pq_getmsgbyte(), and pq_getmsgint().

Referenced by apply_handle_delete().

276 {
277  char action;
278  LogicalRepRelId relid;
279 
280  /* read the relation id */
281  relid = pq_getmsgint(in, 4);
282 
283  /* read and verify action */
284  action = pq_getmsgbyte(in);
285  if (action != 'K' && action != 'O')
286  elog(ERROR, "expected action 'O' or 'K', got %c", action);
287 
288  logicalrep_read_tuple(in, oldtup);
289 
290  return relid;
291 }
#define ERROR
Definition: elog.h:43
static void logicalrep_read_tuple(StringInfo in, LogicalRepTupleData *tuple)
Definition: proto.c:527
int pq_getmsgbyte(StringInfo msg)
Definition: pqformat.c:401
#define elog(elevel,...)
Definition: elog.h:214
unsigned int pq_getmsgint(StringInfo msg, int b)
Definition: pqformat.c:417
uint32 LogicalRepRelId
Definition: logicalproto.h:51

◆ logicalrep_read_insert()

LogicalRepRelId logicalrep_read_insert ( StringInfo  in,
LogicalRepTupleData newtup 
)

Definition at line 158 of file proto.c.

References generate_unaccent_rules::action, elog, ERROR, logicalrep_read_tuple(), pq_getmsgbyte(), and pq_getmsgint().

Referenced by apply_handle_insert().

159 {
160  char action;
161  LogicalRepRelId relid;
162 
163  /* read the relation id */
164  relid = pq_getmsgint(in, 4);
165 
166  action = pq_getmsgbyte(in);
167  if (action != 'N')
168  elog(ERROR, "expected new tuple but got %d",
169  action);
170 
171  logicalrep_read_tuple(in, newtup);
172 
173  return relid;
174 }
#define ERROR
Definition: elog.h:43
static void logicalrep_read_tuple(StringInfo in, LogicalRepTupleData *tuple)
Definition: proto.c:527
int pq_getmsgbyte(StringInfo msg)
Definition: pqformat.c:401
#define elog(elevel,...)
Definition: elog.h:214
unsigned int pq_getmsgint(StringInfo msg, int b)
Definition: pqformat.c:417
uint32 LogicalRepRelId
Definition: logicalproto.h:51

◆ logicalrep_read_origin()

char* logicalrep_read_origin ( StringInfo  in,
XLogRecPtr origin_lsn 
)

Definition at line 128 of file proto.c.

References pq_getmsgint64(), pq_getmsgstring(), and pstrdup().

129 {
130  /* fixed fields */
131  *origin_lsn = pq_getmsgint64(in);
132 
133  /* return origin */
134  return pstrdup(pq_getmsgstring(in));
135 }
const char * pq_getmsgstring(StringInfo msg)
Definition: pqformat.c:581
char * pstrdup(const char *in)
Definition: mcxt.c:1186
int64 pq_getmsgint64(StringInfo msg)
Definition: pqformat.c:455

◆ logicalrep_read_rel()

LogicalRepRelation* logicalrep_read_rel ( StringInfo  in)

Definition at line 374 of file proto.c.

References logicalrep_read_attrs(), logicalrep_read_namespace(), LogicalRepRelation::nspname, palloc(), pq_getmsgbyte(), pq_getmsgint(), pq_getmsgstring(), pstrdup(), LogicalRepRelation::relname, LogicalRepRelation::remoteid, and LogicalRepRelation::replident.

Referenced by apply_handle_relation().

375 {
377 
378  rel->remoteid = pq_getmsgint(in, 4);
379 
380  /* Read relation name from stream */
382  rel->relname = pstrdup(pq_getmsgstring(in));
383 
384  /* Read the replica identity. */
385  rel->replident = pq_getmsgbyte(in);
386 
387  /* Get attribute description */
388  logicalrep_read_attrs(in, rel);
389 
390  return rel;
391 }
const char * pq_getmsgstring(StringInfo msg)
Definition: pqformat.c:581
char * pstrdup(const char *in)
Definition: mcxt.c:1186
LogicalRepRelId remoteid
Definition: logicalproto.h:57
static void logicalrep_read_attrs(StringInfo in, LogicalRepRelation *rel)
Definition: proto.c:652
static const char * logicalrep_read_namespace(StringInfo in)
Definition: proto.c:714
int pq_getmsgbyte(StringInfo msg)
Definition: pqformat.c:401
void * palloc(Size size)
Definition: mcxt.c:949
unsigned int pq_getmsgint(StringInfo msg, int b)
Definition: pqformat.c:417

◆ logicalrep_read_truncate()

List* logicalrep_read_truncate ( StringInfo  in,
bool cascade,
bool restart_seqs 
)

Definition at line 324 of file proto.c.

References i, lappend_oid(), NIL, pq_getmsgint(), TRUNCATE_CASCADE, and TRUNCATE_RESTART_SEQS.

Referenced by apply_handle_truncate().

326 {
327  int i;
328  int nrelids;
329  List *relids = NIL;
330  uint8 flags;
331 
332  nrelids = pq_getmsgint(in, 4);
333 
334  /* read and decode truncate flags */
335  flags = pq_getmsgint(in, 1);
336  *cascade = (flags & TRUNCATE_CASCADE) > 0;
337  *restart_seqs = (flags & TRUNCATE_RESTART_SEQS) > 0;
338 
339  for (i = 0; i < nrelids; i++)
340  relids = lappend_oid(relids, pq_getmsgint(in, 4));
341 
342  return relids;
343 }
#define NIL
Definition: pg_list.h:65
unsigned char uint8
Definition: c.h:372
List * lappend_oid(List *list, Oid datum)
Definition: list.c:357
int i
#define TRUNCATE_CASCADE
Definition: proto.c:28
unsigned int pq_getmsgint(StringInfo msg, int b)
Definition: pqformat.c:417
Definition: pg_list.h:50
#define TRUNCATE_RESTART_SEQS
Definition: proto.c:29

◆ logicalrep_read_typ()

void logicalrep_read_typ ( StringInfo  out,
LogicalRepTyp ltyp 
)

Definition at line 426 of file proto.c.

References logicalrep_read_namespace(), LogicalRepTyp::nspname, pq_getmsgint(), pq_getmsgstring(), pstrdup(), LogicalRepTyp::remoteid, and LogicalRepTyp::typname.

Referenced by apply_handle_type().

427 {
428  ltyp->remoteid = pq_getmsgint(in, 4);
429 
430  /* Read type name from stream */
432  ltyp->typname = pstrdup(pq_getmsgstring(in));
433 }
char * typname
Definition: logicalproto.h:73
const char * pq_getmsgstring(StringInfo msg)
Definition: pqformat.c:581
char * pstrdup(const char *in)
Definition: mcxt.c:1186
static const char * logicalrep_read_namespace(StringInfo in)
Definition: proto.c:714
unsigned int pq_getmsgint(StringInfo msg, int b)
Definition: pqformat.c:417
char * nspname
Definition: logicalproto.h:72

◆ logicalrep_read_update()

LogicalRepRelId logicalrep_read_update ( StringInfo  in,
bool has_oldtuple,
LogicalRepTupleData oldtup,
LogicalRepTupleData newtup 
)

Definition at line 209 of file proto.c.

References generate_unaccent_rules::action, elog, ERROR, logicalrep_read_tuple(), pq_getmsgbyte(), and pq_getmsgint().

Referenced by apply_handle_update().

212 {
213  char action;
214  LogicalRepRelId relid;
215 
216  /* read the relation id */
217  relid = pq_getmsgint(in, 4);
218 
219  /* read and verify action */
220  action = pq_getmsgbyte(in);
221  if (action != 'K' && action != 'O' && action != 'N')
222  elog(ERROR, "expected action 'N', 'O' or 'K', got %c",
223  action);
224 
225  /* check for old tuple */
226  if (action == 'K' || action == 'O')
227  {
228  logicalrep_read_tuple(in, oldtup);
229  *has_oldtuple = true;
230 
231  action = pq_getmsgbyte(in);
232  }
233  else
234  *has_oldtuple = false;
235 
236  /* check for new tuple */
237  if (action != 'N')
238  elog(ERROR, "expected action 'N', got %c",
239  action);
240 
241  logicalrep_read_tuple(in, newtup);
242 
243  return relid;
244 }
#define ERROR
Definition: elog.h:43
static void logicalrep_read_tuple(StringInfo in, LogicalRepTupleData *tuple)
Definition: proto.c:527
int pq_getmsgbyte(StringInfo msg)
Definition: pqformat.c:401
#define elog(elevel,...)
Definition: elog.h:214
unsigned int pq_getmsgint(StringInfo msg, int b)
Definition: pqformat.c:417
uint32 LogicalRepRelId
Definition: logicalproto.h:51

◆ logicalrep_write_begin()

void logicalrep_write_begin ( StringInfo  out,
ReorderBufferTXN txn 
)

Definition at line 45 of file proto.c.

References ReorderBufferTXN::commit_time, ReorderBufferTXN::final_lsn, pq_sendbyte(), pq_sendint32(), pq_sendint64(), and ReorderBufferTXN::xid.

Referenced by pgoutput_begin_txn().

46 {
47  pq_sendbyte(out, 'B'); /* BEGIN */
48 
49  /* fixed fields */
50  pq_sendint64(out, txn->final_lsn);
51  pq_sendint64(out, txn->commit_time);
52  pq_sendint32(out, txn->xid);
53 }
TimestampTz commit_time
static void pq_sendint64(StringInfo buf, uint64 i)
Definition: pqformat.h:153
static void pq_sendbyte(StringInfo buf, uint8 byt)
Definition: pqformat.h:161
static void pq_sendint32(StringInfo buf, uint32 i)
Definition: pqformat.h:145
XLogRecPtr final_lsn
TransactionId xid

◆ logicalrep_write_commit()

void logicalrep_write_commit ( StringInfo  out,
ReorderBufferTXN txn,
XLogRecPtr  commit_lsn 
)

Definition at line 74 of file proto.c.

References ReorderBufferTXN::commit_time, ReorderBufferTXN::end_lsn, pq_sendbyte(), and pq_sendint64().

Referenced by pgoutput_commit_txn().

76 {
77  uint8 flags = 0;
78 
79  pq_sendbyte(out, 'C'); /* sending COMMIT */
80 
81  /* send the flags field (unused for now) */
82  pq_sendbyte(out, flags);
83 
84  /* send fields */
85  pq_sendint64(out, commit_lsn);
86  pq_sendint64(out, txn->end_lsn);
87  pq_sendint64(out, txn->commit_time);
88 }
TimestampTz commit_time
unsigned char uint8
Definition: c.h:372
static void pq_sendint64(StringInfo buf, uint64 i)
Definition: pqformat.h:153
static void pq_sendbyte(StringInfo buf, uint8 byt)
Definition: pqformat.h:161
XLogRecPtr end_lsn

◆ logicalrep_write_delete()

void logicalrep_write_delete ( StringInfo  out,
Relation  rel,
HeapTuple  oldtuple,
bool  binary 
)

Definition at line 250 of file proto.c.

References Assert, logicalrep_write_tuple(), pq_sendbyte(), pq_sendint32(), RelationData::rd_rel, and RelationGetRelid.

Referenced by pgoutput_change().

251 {
252  Assert(rel->rd_rel->relreplident == REPLICA_IDENTITY_DEFAULT ||
253  rel->rd_rel->relreplident == REPLICA_IDENTITY_FULL ||
254  rel->rd_rel->relreplident == REPLICA_IDENTITY_INDEX);
255 
256  pq_sendbyte(out, 'D'); /* action DELETE */
257 
258  /* use Oid as relation identifier */
259  pq_sendint32(out, RelationGetRelid(rel));
260 
261  if (rel->rd_rel->relreplident == REPLICA_IDENTITY_FULL)
262  pq_sendbyte(out, 'O'); /* old tuple follows */
263  else
264  pq_sendbyte(out, 'K'); /* old key follows */
265 
266  logicalrep_write_tuple(out, rel, oldtuple, binary);
267 }
static void logicalrep_write_tuple(StringInfo out, Relation rel, HeapTuple tuple, bool binary)
Definition: proto.c:439
Form_pg_class rd_rel
Definition: rel.h:109
static void pq_sendbyte(StringInfo buf, uint8 byt)
Definition: pqformat.h:161
static void pq_sendint32(StringInfo buf, uint32 i)
Definition: pqformat.h:145
#define Assert(condition)
Definition: c.h:745
#define RelationGetRelid(relation)
Definition: rel.h:456

◆ logicalrep_write_insert()

void logicalrep_write_insert ( StringInfo  out,
Relation  rel,
HeapTuple  newtuple,
bool  binary 
)

Definition at line 141 of file proto.c.

References logicalrep_write_tuple(), pq_sendbyte(), pq_sendint32(), and RelationGetRelid.

Referenced by pgoutput_change().

142 {
143  pq_sendbyte(out, 'I'); /* action INSERT */
144 
145  /* use Oid as relation identifier */
146  pq_sendint32(out, RelationGetRelid(rel));
147 
148  pq_sendbyte(out, 'N'); /* new tuple follows */
149  logicalrep_write_tuple(out, rel, newtuple, binary);
150 }
static void logicalrep_write_tuple(StringInfo out, Relation rel, HeapTuple tuple, bool binary)
Definition: proto.c:439
static void pq_sendbyte(StringInfo buf, uint8 byt)
Definition: pqformat.h:161
static void pq_sendint32(StringInfo buf, uint32 i)
Definition: pqformat.h:145
#define RelationGetRelid(relation)
Definition: rel.h:456

◆ logicalrep_write_origin()

void logicalrep_write_origin ( StringInfo  out,
const char *  origin,
XLogRecPtr  origin_lsn 
)

Definition at line 112 of file proto.c.

References pq_sendbyte(), pq_sendint64(), and pq_sendstring().

Referenced by pgoutput_begin_txn().

114 {
115  pq_sendbyte(out, 'O'); /* ORIGIN */
116 
117  /* fixed fields */
118  pq_sendint64(out, origin_lsn);
119 
120  /* origin string */
121  pq_sendstring(out, origin);
122 }
void pq_sendstring(StringInfo buf, const char *str)
Definition: pqformat.c:197
static void pq_sendint64(StringInfo buf, uint64 i)
Definition: pqformat.h:153
static void pq_sendbyte(StringInfo buf, uint8 byt)
Definition: pqformat.h:161

◆ logicalrep_write_rel()

void logicalrep_write_rel ( StringInfo  out,
Relation  rel 
)

Definition at line 349 of file proto.c.

References logicalrep_write_attrs(), logicalrep_write_namespace(), pq_sendbyte(), pq_sendint32(), pq_sendstring(), RelationData::rd_rel, RelationGetNamespace, RelationGetRelationName, RelationGetRelid, and relname.

Referenced by send_relation_and_attrs().

350 {
351  char *relname;
352 
353  pq_sendbyte(out, 'R'); /* sending RELATION */
354 
355  /* use Oid as relation identifier */
356  pq_sendint32(out, RelationGetRelid(rel));
357 
358  /* send qualified relation name */
360  relname = RelationGetRelationName(rel);
361  pq_sendstring(out, relname);
362 
363  /* send replica identity */
364  pq_sendbyte(out, rel->rd_rel->relreplident);
365 
366  /* send the attribute info */
367  logicalrep_write_attrs(out, rel);
368 }
static void logicalrep_write_namespace(StringInfo out, Oid nspid)
Definition: proto.c:694
void pq_sendstring(StringInfo buf, const char *str)
Definition: pqformat.c:197
Form_pg_class rd_rel
Definition: rel.h:109
NameData relname
Definition: pg_class.h:38
static void pq_sendbyte(StringInfo buf, uint8 byt)
Definition: pqformat.h:161
static void pq_sendint32(StringInfo buf, uint32 i)
Definition: pqformat.h:145
static void logicalrep_write_attrs(StringInfo out, Relation rel)
Definition: proto.c:593
#define RelationGetRelationName(relation)
Definition: rel.h:490
#define RelationGetRelid(relation)
Definition: rel.h:456
#define RelationGetNamespace(relation)
Definition: rel.h:497

◆ logicalrep_write_truncate()

void logicalrep_write_truncate ( StringInfo  out,
int  nrelids,
Oid  relids[],
bool  cascade,
bool  restart_seqs 
)

Definition at line 297 of file proto.c.

References i, pq_sendbyte(), pq_sendint32(), pq_sendint8(), TRUNCATE_CASCADE, and TRUNCATE_RESTART_SEQS.

Referenced by pgoutput_truncate().

301 {
302  int i;
303  uint8 flags = 0;
304 
305  pq_sendbyte(out, 'T'); /* action TRUNCATE */
306 
307  pq_sendint32(out, nrelids);
308 
309  /* encode and send truncate flags */
310  if (cascade)
311  flags |= TRUNCATE_CASCADE;
312  if (restart_seqs)
313  flags |= TRUNCATE_RESTART_SEQS;
314  pq_sendint8(out, flags);
315 
316  for (i = 0; i < nrelids; i++)
317  pq_sendint32(out, relids[i]);
318 }
unsigned char uint8
Definition: c.h:372
static void pq_sendbyte(StringInfo buf, uint8 byt)
Definition: pqformat.h:161
static void pq_sendint32(StringInfo buf, uint32 i)
Definition: pqformat.h:145
int i
#define TRUNCATE_CASCADE
Definition: proto.c:28
static void pq_sendint8(StringInfo buf, uint8 i)
Definition: pqformat.h:129
#define TRUNCATE_RESTART_SEQS
Definition: proto.c:29

◆ logicalrep_write_typ()

void logicalrep_write_typ ( StringInfo  out,
Oid  typoid 
)

Definition at line 399 of file proto.c.

References elog, ERROR, getBaseType(), GETSTRUCT, HeapTupleIsValid, logicalrep_write_namespace(), NameStr, ObjectIdGetDatum, pq_sendbyte(), pq_sendint32(), pq_sendstring(), ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

Referenced by send_relation_and_attrs().

400 {
401  Oid basetypoid = getBaseType(typoid);
402  HeapTuple tup;
403  Form_pg_type typtup;
404 
405  pq_sendbyte(out, 'Y'); /* sending TYPE */
406 
407  tup = SearchSysCache1(TYPEOID, ObjectIdGetDatum(basetypoid));
408  if (!HeapTupleIsValid(tup))
409  elog(ERROR, "cache lookup failed for type %u", basetypoid);
410  typtup = (Form_pg_type) GETSTRUCT(tup);
411 
412  /* use Oid as relation identifier */
413  pq_sendint32(out, typoid);
414 
415  /* send qualified type name */
416  logicalrep_write_namespace(out, typtup->typnamespace);
417  pq_sendstring(out, NameStr(typtup->typname));
418 
419  ReleaseSysCache(tup);
420 }
#define GETSTRUCT(TUP)
Definition: htup_details.h:655
static void logicalrep_write_namespace(StringInfo out, Oid nspid)
Definition: proto.c:694
void pq_sendstring(StringInfo buf, const char *str)
Definition: pqformat.c:197
unsigned int Oid
Definition: postgres_ext.h:31
static void pq_sendbyte(StringInfo buf, uint8 byt)
Definition: pqformat.h:161
static void pq_sendint32(StringInfo buf, uint32 i)
Definition: pqformat.h:145
#define ObjectIdGetDatum(X)
Definition: postgres.h:507
#define ERROR
Definition: elog.h:43
HeapTuple SearchSysCache1(int cacheId, Datum key1)
Definition: syscache.c:1116
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1164
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
FormData_pg_type * Form_pg_type
Definition: pg_type.h:255
#define elog(elevel,...)
Definition: elog.h:214
#define NameStr(name)
Definition: c.h:622
Oid getBaseType(Oid typid)
Definition: lsyscache.c:2409

◆ logicalrep_write_update()

void logicalrep_write_update ( StringInfo  out,
Relation  rel,
HeapTuple  oldtuple,
HeapTuple  newtuple,
bool  binary 
)

Definition at line 180 of file proto.c.

References Assert, logicalrep_write_tuple(), pq_sendbyte(), pq_sendint32(), RelationData::rd_rel, and RelationGetRelid.

Referenced by pgoutput_change().

182 {
183  pq_sendbyte(out, 'U'); /* action UPDATE */
184 
185  Assert(rel->rd_rel->relreplident == REPLICA_IDENTITY_DEFAULT ||
186  rel->rd_rel->relreplident == REPLICA_IDENTITY_FULL ||
187  rel->rd_rel->relreplident == REPLICA_IDENTITY_INDEX);
188 
189  /* use Oid as relation identifier */
190  pq_sendint32(out, RelationGetRelid(rel));
191 
192  if (oldtuple != NULL)
193  {
194  if (rel->rd_rel->relreplident == REPLICA_IDENTITY_FULL)
195  pq_sendbyte(out, 'O'); /* old tuple follows */
196  else
197  pq_sendbyte(out, 'K'); /* old key follows */
198  logicalrep_write_tuple(out, rel, oldtuple, binary);
199  }
200 
201  pq_sendbyte(out, 'N'); /* new tuple follows */
202  logicalrep_write_tuple(out, rel, newtuple, binary);
203 }
static void logicalrep_write_tuple(StringInfo out, Relation rel, HeapTuple tuple, bool binary)
Definition: proto.c:439
Form_pg_class rd_rel
Definition: rel.h:109
static void pq_sendbyte(StringInfo buf, uint8 byt)
Definition: pqformat.h:161
static void pq_sendint32(StringInfo buf, uint32 i)
Definition: pqformat.h:145
#define Assert(condition)
Definition: c.h:745
#define RelationGetRelid(relation)
Definition: rel.h:456