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pg_publication.c File Reference
#include "postgres.h"
#include "funcapi.h"
#include "miscadmin.h"
#include "access/genam.h"
#include "access/hash.h"
#include "access/heapam.h"
#include "access/htup_details.h"
#include "access/xact.h"
#include "catalog/catalog.h"
#include "catalog/dependency.h"
#include "catalog/index.h"
#include "catalog/indexing.h"
#include "catalog/namespace.h"
#include "catalog/objectaccess.h"
#include "catalog/objectaddress.h"
#include "catalog/pg_type.h"
#include "catalog/pg_publication.h"
#include "catalog/pg_publication_rel.h"
#include "utils/array.h"
#include "utils/builtins.h"
#include "utils/catcache.h"
#include "utils/fmgroids.h"
#include "utils/inval.h"
#include "utils/lsyscache.h"
#include "utils/rel.h"
#include "utils/syscache.h"
Include dependency graph for pg_publication.c:

Go to the source code of this file.

Functions

static void check_publication_add_relation (Relation targetrel)
 
static bool is_publishable_class (Oid relid, Form_pg_class reltuple)
 
ObjectAddress publication_add_relation (Oid pubid, Relation targetrel, bool if_not_exists)
 
ListGetRelationPublications (Oid relid)
 
ListGetPublicationRelations (Oid pubid)
 
ListGetAllTablesPublications (void)
 
ListGetAllTablesPublicationRelations (void)
 
PublicationGetPublication (Oid pubid)
 
PublicationGetPublicationByName (const char *pubname, bool missing_ok)
 
Oid get_publication_oid (const char *pubname, bool missing_ok)
 
char * get_publication_name (Oid pubid)
 
Datum pg_get_publication_tables (PG_FUNCTION_ARGS)
 

Function Documentation

static void check_publication_add_relation ( Relation  targetrel)
static

Definition at line 51 of file pg_publication.c.

References ereport, errcode(), errdetail(), errhint(), errmsg(), ERROR, IsCatalogRelation(), RelationGetForm, RelationGetRelationName, RelationNeedsWAL, RELKIND_PARTITIONED_TABLE, and RELKIND_RELATION.

Referenced by publication_add_relation().

52 {
53  /* Give more specific error for partitioned tables */
54  if (RelationGetForm(targetrel)->relkind == RELKIND_PARTITIONED_TABLE)
55  ereport(ERROR,
56  (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
57  errmsg("\"%s\" is a partitioned table",
58  RelationGetRelationName(targetrel)),
59  errdetail("Adding partitioned tables to publications is not supported."),
60  errhint("You can add the table partitions individually.")));
61 
62  /* Must be table */
63  if (RelationGetForm(targetrel)->relkind != RELKIND_RELATION)
64  ereport(ERROR,
65  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
66  errmsg("\"%s\" is not a table",
67  RelationGetRelationName(targetrel)),
68  errdetail("Only tables can be added to publications.")));
69 
70  /* Can't be system table */
71  if (IsCatalogRelation(targetrel))
72  ereport(ERROR,
73  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
74  errmsg("\"%s\" is a system table",
75  RelationGetRelationName(targetrel)),
76  errdetail("System tables cannot be added to publications.")));
77 
78  /* UNLOGGED and TEMP relations cannot be part of publication. */
79  if (!RelationNeedsWAL(targetrel))
80  ereport(ERROR,
81  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
82  errmsg("table \"%s\" cannot be replicated",
83  RelationGetRelationName(targetrel)),
84  errdetail("Temporary and unlogged relations cannot be replicated.")));
85 }
bool IsCatalogRelation(Relation relation)
Definition: catalog.c:91
int errhint(const char *fmt,...)
Definition: elog.c:987
#define RelationGetForm(relation)
Definition: rel.h:411
int errcode(int sqlerrcode)
Definition: elog.c:575
#define ERROR
Definition: elog.h:43
int errdetail(const char *fmt,...)
Definition: elog.c:873
#define RelationGetRelationName(relation)
Definition: rel.h:437
#define ereport(elevel, rest)
Definition: elog.h:122
#define RELKIND_PARTITIONED_TABLE
Definition: pg_class.h:168
#define RelationNeedsWAL(relation)
Definition: rel.h:506
int errmsg(const char *fmt,...)
Definition: elog.c:797
#define RELKIND_RELATION
Definition: pg_class.h:160
char* get_publication_name ( Oid  pubid)

Definition at line 399 of file pg_publication.c.

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, NameStr, ObjectIdGetDatum, pstrdup(), PUBLICATIONOID, ReleaseSysCache(), and SearchSysCache1.

Referenced by getObjectDescription(), and getObjectIdentityParts().

400 {
401  HeapTuple tup;
402  char *pubname;
403  Form_pg_publication pubform;
404 
406 
407  if (!HeapTupleIsValid(tup))
408  elog(ERROR, "cache lookup failed for publication %u", pubid);
409 
410  pubform = (Form_pg_publication) GETSTRUCT(tup);
411  pubname = pstrdup(NameStr(pubform->pubname));
412 
413  ReleaseSysCache(tup);
414 
415  return pubname;
416 }
#define GETSTRUCT(TUP)
Definition: htup_details.h:656
char * pstrdup(const char *in)
Definition: mcxt.c:1077
#define SearchSysCache1(cacheId, key1)
Definition: syscache.h:152
#define ObjectIdGetDatum(X)
Definition: postgres.h:513
#define ERROR
Definition: elog.h:43
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1116
#define HeapTupleIsValid(tuple)
Definition: htup.h:77
#define NameStr(name)
Definition: c.h:499
#define elog
Definition: elog.h:219
FormData_pg_publication * Form_pg_publication
Oid get_publication_oid ( const char *  pubname,
bool  missing_ok 
)

Definition at line 383 of file pg_publication.c.

References CStringGetDatum, ereport, errcode(), errmsg(), ERROR, GetSysCacheOid1, OidIsValid, and PUBLICATIONNAME.

Referenced by get_object_address_unqualified().

384 {
385  Oid oid;
386 
388  if (!OidIsValid(oid) && !missing_ok)
389  ereport(ERROR,
390  (errcode(ERRCODE_UNDEFINED_OBJECT),
391  errmsg("publication \"%s\" does not exist", pubname)));
392  return oid;
393 }
int errcode(int sqlerrcode)
Definition: elog.c:575
unsigned int Oid
Definition: postgres_ext.h:31
#define OidIsValid(objectId)
Definition: c.h:538
#define GetSysCacheOid1(cacheId, key1)
Definition: syscache.h:179
#define ERROR
Definition: elog.h:43
#define CStringGetDatum(X)
Definition: postgres.h:584
#define ereport(elevel, rest)
Definition: elog.h:122
int errmsg(const char *fmt,...)
Definition: elog.c:797
List* GetAllTablesPublicationRelations ( void  )

Definition at line 289 of file pg_publication.c.

References AccessShareLock, Anum_pg_class_relkind, BTEqualStrategyNumber, CharGetDatum, ForwardScanDirection, GETSTRUCT, heap_beginscan_catalog(), heap_close, heap_endscan(), heap_getnext(), heap_open(), HeapTupleGetOid, is_publishable_class(), lappend_oid(), NIL, NULL, RelationRelationId, RELKIND_RELATION, result, and ScanKeyInit().

Referenced by pg_get_publication_tables().

290 {
291  Relation classRel;
292  ScanKeyData key[1];
293  HeapScanDesc scan;
294  HeapTuple tuple;
295  List *result = NIL;
296 
298 
299  ScanKeyInit(&key[0],
301  BTEqualStrategyNumber, F_CHAREQ,
303 
304  scan = heap_beginscan_catalog(classRel, 1, key);
305 
306  while ((tuple = heap_getnext(scan, ForwardScanDirection)) != NULL)
307  {
308  Oid relid = HeapTupleGetOid(tuple);
309  Form_pg_class relForm = (Form_pg_class) GETSTRUCT(tuple);
310 
311  if (is_publishable_class(relid, relForm))
312  result = lappend_oid(result, relid);
313  }
314 
315  heap_endscan(scan);
316  heap_close(classRel, AccessShareLock);
317 
318  return result;
319 }
#define NIL
Definition: pg_list.h:69
#define GETSTRUCT(TUP)
Definition: htup_details.h:656
void heap_endscan(HeapScanDesc scan)
Definition: heapam.c:1578
#define RelationRelationId
Definition: pg_class.h:29
#define AccessShareLock
Definition: lockdefs.h:36
return result
Definition: formatting.c:1618
#define heap_close(r, l)
Definition: heapam.h:97
unsigned int Oid
Definition: postgres_ext.h:31
List * lappend_oid(List *list, Oid datum)
Definition: list.c:164
#define Anum_pg_class_relkind
Definition: pg_class.h:118
HeapScanDesc heap_beginscan_catalog(Relation relation, int nkeys, ScanKey key)
Definition: heapam.c:1399
HeapTuple heap_getnext(HeapScanDesc scan, ScanDirection direction)
Definition: heapam.c:1794
Relation heap_open(Oid relationId, LOCKMODE lockmode)
Definition: heapam.c:1284
#define NULL
Definition: c.h:229
#define CharGetDatum(X)
Definition: postgres.h:422
FormData_pg_class * Form_pg_class
Definition: pg_class.h:95
void ScanKeyInit(ScanKey entry, AttrNumber attributeNumber, StrategyNumber strategy, RegProcedure procedure, Datum argument)
Definition: scankey.c:76
static bool is_publishable_class(Oid relid, Form_pg_class reltuple)
#define HeapTupleGetOid(tuple)
Definition: htup_details.h:695
#define RELKIND_RELATION
Definition: pg_class.h:160
Definition: pg_list.h:45
#define BTEqualStrategyNumber
Definition: stratnum.h:31
List* GetAllTablesPublications ( void  )

Definition at line 256 of file pg_publication.c.

References AccessShareLock, Anum_pg_publication_puballtables, BoolGetDatum, BTEqualStrategyNumber, heap_close, heap_open(), HeapTupleGetOid, HeapTupleIsValid, InvalidOid, lappend_oid(), NIL, NULL, PublicationRelationId, result, ScanKeyInit(), systable_beginscan(), systable_endscan(), and systable_getnext().

Referenced by GetRelationPublicationActions().

257 {
258  List *result;
259  Relation rel;
260  ScanKeyData scankey;
261  SysScanDesc scan;
262  HeapTuple tup;
263 
264  /* Find all publications that are marked as for all tables. */
266 
267  ScanKeyInit(&scankey,
269  BTEqualStrategyNumber, F_BOOLEQ,
270  BoolGetDatum(true));
271 
272  scan = systable_beginscan(rel, InvalidOid, false,
273  NULL, 1, &scankey);
274 
275  result = NIL;
276  while (HeapTupleIsValid(tup = systable_getnext(scan)))
277  result = lappend_oid(result, HeapTupleGetOid(tup));
278 
279  systable_endscan(scan);
281 
282  return result;
283 }
#define NIL
Definition: pg_list.h:69
void systable_endscan(SysScanDesc sysscan)
Definition: genam.c:499
#define AccessShareLock
Definition: lockdefs.h:36
#define PublicationRelationId
return result
Definition: formatting.c:1618
#define heap_close(r, l)
Definition: heapam.h:97
List * lappend_oid(List *list, Oid datum)
Definition: list.c:164
SysScanDesc systable_beginscan(Relation heapRelation, Oid indexId, bool indexOK, Snapshot snapshot, int nkeys, ScanKey key)
Definition: genam.c:328
HeapTuple systable_getnext(SysScanDesc sysscan)
Definition: genam.c:416
Relation heap_open(Oid relationId, LOCKMODE lockmode)
Definition: heapam.c:1284
#define BoolGetDatum(X)
Definition: postgres.h:408
#define InvalidOid
Definition: postgres_ext.h:36
#define HeapTupleIsValid(tuple)
Definition: htup.h:77
#define NULL
Definition: c.h:229
#define Anum_pg_publication_puballtables
void ScanKeyInit(ScanKey entry, AttrNumber attributeNumber, StrategyNumber strategy, RegProcedure procedure, Datum argument)
Definition: scankey.c:76
#define HeapTupleGetOid(tuple)
Definition: htup_details.h:695
Definition: pg_list.h:45
#define BTEqualStrategyNumber
Definition: stratnum.h:31
Publication* GetPublication ( Oid  pubid)

Definition at line 327 of file pg_publication.c.

References Publication::alltables, elog, ERROR, GETSTRUCT, HeapTupleIsValid, Publication::name, NameStr, ObjectIdGetDatum, Publication::oid, palloc(), pstrdup(), Publication::pubactions, PublicationActions::pubdelete, PublicationActions::pubinsert, PUBLICATIONOID, PublicationActions::pubupdate, ReleaseSysCache(), and SearchSysCache1.

Referenced by GetPublicationByName(), and publication_add_relation().

328 {
329  HeapTuple tup;
330  Publication *pub;
331  Form_pg_publication pubform;
332 
334 
335  if (!HeapTupleIsValid(tup))
336  elog(ERROR, "cache lookup failed for publication %u", pubid);
337 
338  pubform = (Form_pg_publication) GETSTRUCT(tup);
339 
340  pub = (Publication *) palloc(sizeof(Publication));
341  pub->oid = pubid;
342  pub->name = pstrdup(NameStr(pubform->pubname));
343  pub->alltables = pubform->puballtables;
344  pub->pubactions.pubinsert = pubform->pubinsert;
345  pub->pubactions.pubupdate = pubform->pubupdate;
346  pub->pubactions.pubdelete = pubform->pubdelete;
347 
348  ReleaseSysCache(tup);
349 
350  return pub;
351 }
PublicationActions pubactions
#define GETSTRUCT(TUP)
Definition: htup_details.h:656
char * pstrdup(const char *in)
Definition: mcxt.c:1077
#define SearchSysCache1(cacheId, key1)
Definition: syscache.h:152
#define ObjectIdGetDatum(X)
Definition: postgres.h:513
#define ERROR
Definition: elog.h:43
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1116
#define HeapTupleIsValid(tuple)
Definition: htup.h:77
void * palloc(Size size)
Definition: mcxt.c:849
#define NameStr(name)
Definition: c.h:499
#define elog
Definition: elog.h:219
FormData_pg_publication * Form_pg_publication
Publication* GetPublicationByName ( const char *  pubname,
bool  missing_ok 
)

Definition at line 358 of file pg_publication.c.

References CStringGetDatum, ereport, errcode(), errmsg(), ERROR, GetPublication(), GetSysCacheOid1, NULL, OidIsValid, and PUBLICATIONNAME.

Referenced by get_object_address_publication_rel(), LoadPublications(), and pg_get_publication_tables().

359 {
360  Oid oid;
361 
363  if (!OidIsValid(oid))
364  {
365  if (missing_ok)
366  return NULL;
367 
368  ereport(ERROR,
369  (errcode(ERRCODE_UNDEFINED_OBJECT),
370  errmsg("publication \"%s\" does not exist", pubname)));
371  }
372 
373  return GetPublication(oid);
374 }
int errcode(int sqlerrcode)
Definition: elog.c:575
unsigned int Oid
Definition: postgres_ext.h:31
#define OidIsValid(objectId)
Definition: c.h:538
#define GetSysCacheOid1(cacheId, key1)
Definition: syscache.h:179
Publication * GetPublication(Oid pubid)
#define ERROR
Definition: elog.h:43
#define CStringGetDatum(X)
Definition: postgres.h:584
#define ereport(elevel, rest)
Definition: elog.h:122
#define NULL
Definition: c.h:229
int errmsg(const char *fmt,...)
Definition: elog.c:797
List* GetPublicationRelations ( Oid  pubid)

Definition at line 217 of file pg_publication.c.

References AccessShareLock, Anum_pg_publication_rel_prpubid, BTEqualStrategyNumber, GETSTRUCT, heap_close, heap_open(), HeapTupleIsValid, lappend_oid(), NIL, NULL, ObjectIdGetDatum, PublicationRelPrrelidPrpubidIndexId, PublicationRelRelationId, result, ScanKeyInit(), systable_beginscan(), systable_endscan(), and systable_getnext().

Referenced by AlterPublicationOptions(), AlterPublicationTables(), and pg_get_publication_tables().

218 {
219  List *result;
220  Relation pubrelsrel;
221  ScanKeyData scankey;
222  SysScanDesc scan;
223  HeapTuple tup;
224 
225  /* Find all publications associated with the relation. */
227 
228  ScanKeyInit(&scankey,
230  BTEqualStrategyNumber, F_OIDEQ,
231  ObjectIdGetDatum(pubid));
232 
234  true, NULL, 1, &scankey);
235 
236  result = NIL;
237  while (HeapTupleIsValid(tup = systable_getnext(scan)))
238  {
240 
241  pubrel = (Form_pg_publication_rel) GETSTRUCT(tup);
242 
243  result = lappend_oid(result, pubrel->prrelid);
244  }
245 
246  systable_endscan(scan);
247  heap_close(pubrelsrel, AccessShareLock);
248 
249  return result;
250 }
#define NIL
Definition: pg_list.h:69
void systable_endscan(SysScanDesc sysscan)
Definition: genam.c:499
#define GETSTRUCT(TUP)
Definition: htup_details.h:656
#define AccessShareLock
Definition: lockdefs.h:36
return result
Definition: formatting.c:1618
#define heap_close(r, l)
Definition: heapam.h:97
List * lappend_oid(List *list, Oid datum)
Definition: list.c:164
SysScanDesc systable_beginscan(Relation heapRelation, Oid indexId, bool indexOK, Snapshot snapshot, int nkeys, ScanKey key)
Definition: genam.c:328
#define PublicationRelRelationId
HeapTuple systable_getnext(SysScanDesc sysscan)
Definition: genam.c:416
#define ObjectIdGetDatum(X)
Definition: postgres.h:513
#define Anum_pg_publication_rel_prpubid
#define PublicationRelPrrelidPrpubidIndexId
Definition: indexing.h:351
Relation heap_open(Oid relationId, LOCKMODE lockmode)
Definition: heapam.c:1284
#define HeapTupleIsValid(tuple)
Definition: htup.h:77
#define NULL
Definition: c.h:229
FormData_pg_publication_rel * Form_pg_publication_rel
void ScanKeyInit(ScanKey entry, AttrNumber attributeNumber, StrategyNumber strategy, RegProcedure procedure, Datum argument)
Definition: scankey.c:76
Definition: pg_list.h:45
#define BTEqualStrategyNumber
Definition: stratnum.h:31
List* GetRelationPublications ( Oid  relid)

Definition at line 188 of file pg_publication.c.

References GETSTRUCT, i, lappend_oid(), catclist::members, catclist::n_members, NIL, ObjectIdGetDatum, PUBLICATIONRELMAP, ReleaseSysCacheList, result, SearchSysCacheList1, and catctup::tuple.

Referenced by ATPrepChangePersistence(), get_rel_sync_entry(), and GetRelationPublicationActions().

189 {
190  List *result = NIL;
191  CatCList *pubrellist;
192  int i;
193 
194  /* Find all publications associated with the relation. */
196  ObjectIdGetDatum(relid));
197  for (i = 0; i < pubrellist->n_members; i++)
198  {
199  HeapTuple tup = &pubrellist->members[i]->tuple;
200  Oid pubid = ((Form_pg_publication_rel) GETSTRUCT(tup))->prpubid;
201 
202  result = lappend_oid(result, pubid);
203  }
204 
205  ReleaseSysCacheList(pubrellist);
206 
207  return result;
208 }
#define NIL
Definition: pg_list.h:69
int n_members
Definition: catcache.h:154
#define GETSTRUCT(TUP)
Definition: htup_details.h:656
return result
Definition: formatting.c:1618
unsigned int Oid
Definition: postgres_ext.h:31
List * lappend_oid(List *list, Oid datum)
Definition: list.c:164
CatCTup * members[FLEXIBLE_ARRAY_MEMBER]
Definition: catcache.h:155
#define ObjectIdGetDatum(X)
Definition: postgres.h:513
#define SearchSysCacheList1(cacheId, key1)
Definition: syscache.h:197
#define ReleaseSysCacheList(x)
Definition: syscache.h:206
FormData_pg_publication_rel * Form_pg_publication_rel
int i
HeapTupleData tuple
Definition: catcache.h:116
Definition: pg_list.h:45
static bool is_publishable_class ( Oid  relid,
Form_pg_class  reltuple 
)
static

Definition at line 95 of file pg_publication.c.

References FirstNormalObjectId, IsCatalogClass(), RELKIND_RELATION, and RELPERSISTENCE_PERMANENT.

Referenced by GetAllTablesPublicationRelations().

96 {
97  return reltuple->relkind == RELKIND_RELATION &&
98  !IsCatalogClass(relid, reltuple) &&
99  reltuple->relpersistence == RELPERSISTENCE_PERMANENT &&
100  /*
101  * Also exclude any tables created as part of initdb. This mainly
102  * affects the preinstalled information_schema.
103  * Note that IsCatalogClass() only checks for these inside pg_catalog
104  * and toast schemas.
105  */
106  relid >= FirstNormalObjectId;
107 }
bool IsCatalogClass(Oid relid, Form_pg_class reltuple)
Definition: catalog.c:103
#define FirstNormalObjectId
Definition: transam.h:94
#define RELPERSISTENCE_PERMANENT
Definition: pg_class.h:170
#define RELKIND_RELATION
Definition: pg_class.h:160
Datum pg_get_publication_tables ( PG_FUNCTION_ARGS  )

Definition at line 422 of file pg_publication.c.

References Publication::alltables, GetAllTablesPublicationRelations(), GetPublicationByName(), GetPublicationRelations(), lfirst_oid, list_head(), lnext, MemoryContextSwitchTo(), FuncCallContext::multi_call_memory_ctx, NULL, ObjectIdGetDatum, Publication::oid, palloc(), PG_GETARG_TEXT_PP, SRF_FIRSTCALL_INIT, SRF_IS_FIRSTCALL, SRF_PERCALL_SETUP, SRF_RETURN_DONE, SRF_RETURN_NEXT, text_to_cstring(), and FuncCallContext::user_fctx.

423 {
424  FuncCallContext *funcctx;
425  char *pubname = text_to_cstring(PG_GETARG_TEXT_PP(0));
426  Publication *publication;
427  List *tables;
428  ListCell **lcp;
429 
430  /* stuff done only on the first call of the function */
431  if (SRF_IS_FIRSTCALL())
432  {
433  MemoryContext oldcontext;
434 
435  /* create a function context for cross-call persistence */
436  funcctx = SRF_FIRSTCALL_INIT();
437 
438  /* switch to memory context appropriate for multiple function calls */
439  oldcontext = MemoryContextSwitchTo(funcctx->multi_call_memory_ctx);
440 
441  publication = GetPublicationByName(pubname, false);
442  if (publication->alltables)
444  else
445  tables = GetPublicationRelations(publication->oid);
446  lcp = (ListCell **) palloc(sizeof(ListCell *));
447  *lcp = list_head(tables);
448  funcctx->user_fctx = (void *) lcp;
449 
450  MemoryContextSwitchTo(oldcontext);
451  }
452 
453  /* stuff done on every call of the function */
454  funcctx = SRF_PERCALL_SETUP();
455  lcp = (ListCell **) funcctx->user_fctx;
456 
457  while (*lcp != NULL)
458  {
459  Oid relid = lfirst_oid(*lcp);
460 
461  *lcp = lnext(*lcp);
462  SRF_RETURN_NEXT(funcctx, ObjectIdGetDatum(relid));
463  }
464 
465  SRF_RETURN_DONE(funcctx);
466 }
List * GetAllTablesPublicationRelations(void)
#define SRF_IS_FIRSTCALL()
Definition: funcapi.h:285
static MemoryContext MemoryContextSwitchTo(MemoryContext context)
Definition: palloc.h:109
unsigned int Oid
Definition: postgres_ext.h:31
#define SRF_PERCALL_SETUP()
Definition: funcapi.h:289
Publication * GetPublicationByName(const char *pubname, bool missing_ok)
#define PG_GETARG_TEXT_PP(n)
Definition: fmgr.h:273
#define SRF_RETURN_NEXT(_funcctx, _result)
Definition: funcapi.h:291
#define ObjectIdGetDatum(X)
Definition: postgres.h:513
static ListCell * list_head(const List *l)
Definition: pg_list.h:77
#define lnext(lc)
Definition: pg_list.h:105
#define NULL
Definition: c.h:229
List * GetPublicationRelations(Oid pubid)
MemoryContext multi_call_memory_ctx
Definition: funcapi.h:109
char * text_to_cstring(const text *t)
Definition: varlena.c:182
void * user_fctx
Definition: funcapi.h:90
void * palloc(Size size)
Definition: mcxt.c:849
Definition: pg_list.h:45
#define lfirst_oid(lc)
Definition: pg_list.h:108
#define SRF_RETURN_DONE(_funcctx)
Definition: funcapi.h:309
#define SRF_FIRSTCALL_INIT()
Definition: funcapi.h:287
ObjectAddress publication_add_relation ( Oid  pubid,
Relation  targetrel,
bool  if_not_exists 
)

Definition at line 113 of file pg_publication.c.

References Anum_pg_publication_rel_prpubid, Anum_pg_publication_rel_prrelid, CacheInvalidateRelcache(), CatalogTupleInsert(), check_publication_add_relation(), DEPENDENCY_AUTO, ereport, errcode(), ERRCODE_DUPLICATE_OBJECT, errmsg(), ERROR, GetPublication(), heap_close, heap_form_tuple(), heap_freetuple(), heap_open(), InvalidObjectAddress, Publication::name, Natts_pg_publication_rel, ObjectAddressSet, ObjectIdGetDatum, PublicationRelationId, PUBLICATIONRELMAP, PublicationRelRelationId, recordDependencyOn(), RelationGetDescr, RelationGetRelationName, RelationGetRelid, RelationRelationId, RowExclusiveLock, SearchSysCacheExists2, and values.

Referenced by PublicationAddTables().

115 {
116  Relation rel;
117  HeapTuple tup;
119  bool nulls[Natts_pg_publication_rel];
120  Oid relid = RelationGetRelid(targetrel);
121  Oid prrelid;
122  Publication *pub = GetPublication(pubid);
123  ObjectAddress myself,
124  referenced;
125 
127 
128  /*
129  * Check for duplicates. Note that this does not really prevent
130  * duplicates, it's here just to provide nicer error message in common
131  * case. The real protection is the unique key on the catalog.
132  */
134  ObjectIdGetDatum(pubid)))
135  {
137 
138  if (if_not_exists)
139  return InvalidObjectAddress;
140 
141  ereport(ERROR,
143  errmsg("relation \"%s\" is already member of publication \"%s\"",
144  RelationGetRelationName(targetrel), pub->name)));
145  }
146 
148 
149  /* Form a tuple. */
150  memset(values, 0, sizeof(values));
151  memset(nulls, false, sizeof(nulls));
152 
153  values[Anum_pg_publication_rel_prpubid - 1] =
154  ObjectIdGetDatum(pubid);
155  values[Anum_pg_publication_rel_prrelid - 1] =
156  ObjectIdGetDatum(relid);
157 
158  tup = heap_form_tuple(RelationGetDescr(rel), values, nulls);
159 
160  /* Insert tuple into catalog. */
161  prrelid = CatalogTupleInsert(rel, tup);
162  heap_freetuple(tup);
163 
164  ObjectAddressSet(myself, PublicationRelRelationId, prrelid);
165 
166  /* Add dependency on the publication */
167  ObjectAddressSet(referenced, PublicationRelationId, pubid);
168  recordDependencyOn(&myself, &referenced, DEPENDENCY_AUTO);
169 
170  /* Add dependency on the relation */
171  ObjectAddressSet(referenced, RelationRelationId, relid);
172  recordDependencyOn(&myself, &referenced, DEPENDENCY_AUTO);
173 
174  /* Close the table. */
176 
177  /* Invalidate relcache so that publication info is rebuilt. */
178  CacheInvalidateRelcache(targetrel);
179 
180  return myself;
181 }
#define RelationGetDescr(relation)
Definition: rel.h:429
#define RelationRelationId
Definition: pg_class.h:29
int errcode(int sqlerrcode)
Definition: elog.c:575
#define PublicationRelationId
void recordDependencyOn(const ObjectAddress *depender, const ObjectAddress *referenced, DependencyType behavior)
Definition: pg_depend.c:44
HeapTuple heap_form_tuple(TupleDesc tupleDescriptor, Datum *values, bool *isnull)
Definition: heaptuple.c:692
#define heap_close(r, l)
Definition: heapam.h:97
void heap_freetuple(HeapTuple htup)
Definition: heaptuple.c:1374
unsigned int Oid
Definition: postgres_ext.h:31
#define PublicationRelRelationId
Publication * GetPublication(Oid pubid)
#define ObjectIdGetDatum(X)
Definition: postgres.h:513
#define ERROR
Definition: elog.h:43
Oid CatalogTupleInsert(Relation heapRel, HeapTuple tup)
Definition: indexing.c:162
static void check_publication_add_relation(Relation targetrel)
#define Anum_pg_publication_rel_prpubid
#define Anum_pg_publication_rel_prrelid
#define RowExclusiveLock
Definition: lockdefs.h:38
#define RelationGetRelationName(relation)
Definition: rel.h:437
#define ereport(elevel, rest)
Definition: elog.h:122
uintptr_t Datum
Definition: postgres.h:372
Relation heap_open(Oid relationId, LOCKMODE lockmode)
Definition: heapam.c:1284
#define SearchSysCacheExists2(cacheId, key1, key2)
Definition: syscache.h:172
#define ObjectAddressSet(addr, class_id, object_id)
Definition: objectaddress.h:40
void CacheInvalidateRelcache(Relation relation)
Definition: inval.c:1226
static Datum values[MAXATTR]
Definition: bootstrap.c:163
const ObjectAddress InvalidObjectAddress
int errmsg(const char *fmt,...)
Definition: elog.c:797
#define Natts_pg_publication_rel
#define ERRCODE_DUPLICATE_OBJECT
Definition: streamutil.c:31
#define RelationGetRelid(relation)
Definition: rel.h:417