PostgreSQL Source Code  git master
indexam.c File Reference
#include "postgres.h"
#include "access/amapi.h"
#include "access/relation.h"
#include "access/reloptions.h"
#include "access/relscan.h"
#include "access/tableam.h"
#include "catalog/index.h"
#include "catalog/pg_type.h"
#include "nodes/execnodes.h"
#include "pgstat.h"
#include "storage/lmgr.h"
#include "storage/predicate.h"
#include "utils/ruleutils.h"
#include "utils/snapmgr.h"
#include "utils/syscache.h"
Include dependency graph for indexam.c:

Go to the source code of this file.

Macros

#define RELATION_CHECKS
 
#define SCAN_CHECKS
 
#define CHECK_REL_PROCEDURE(pname)
 
#define CHECK_SCAN_PROCEDURE(pname)
 

Functions

static IndexScanDesc index_beginscan_internal (Relation indexRelation, int nkeys, int norderbys, Snapshot snapshot, ParallelIndexScanDesc pscan, bool temp_snap)
 
static void validate_relation_kind (Relation r)
 
Relation index_open (Oid relationId, LOCKMODE lockmode)
 
Relation try_index_open (Oid relationId, LOCKMODE lockmode)
 
void index_close (Relation relation, LOCKMODE lockmode)
 
bool index_insert (Relation indexRelation, Datum *values, bool *isnull, ItemPointer heap_t_ctid, Relation heapRelation, IndexUniqueCheck checkUnique, bool indexUnchanged, IndexInfo *indexInfo)
 
void index_insert_cleanup (Relation indexRelation, IndexInfo *indexInfo)
 
IndexScanDesc index_beginscan (Relation heapRelation, Relation indexRelation, Snapshot snapshot, int nkeys, int norderbys)
 
IndexScanDesc index_beginscan_bitmap (Relation indexRelation, Snapshot snapshot, int nkeys)
 
void index_rescan (IndexScanDesc scan, ScanKey keys, int nkeys, ScanKey orderbys, int norderbys)
 
void index_endscan (IndexScanDesc scan)
 
void index_markpos (IndexScanDesc scan)
 
void index_restrpos (IndexScanDesc scan)
 
Size index_parallelscan_estimate (Relation indexRelation, Snapshot snapshot)
 
void index_parallelscan_initialize (Relation heapRelation, Relation indexRelation, Snapshot snapshot, ParallelIndexScanDesc target)
 
void index_parallelrescan (IndexScanDesc scan)
 
IndexScanDesc index_beginscan_parallel (Relation heaprel, Relation indexrel, int nkeys, int norderbys, ParallelIndexScanDesc pscan)
 
ItemPointer index_getnext_tid (IndexScanDesc scan, ScanDirection direction)
 
bool index_fetch_heap (IndexScanDesc scan, TupleTableSlot *slot)
 
bool index_getnext_slot (IndexScanDesc scan, ScanDirection direction, TupleTableSlot *slot)
 
int64 index_getbitmap (IndexScanDesc scan, TIDBitmap *bitmap)
 
IndexBulkDeleteResultindex_bulk_delete (IndexVacuumInfo *info, IndexBulkDeleteResult *istat, IndexBulkDeleteCallback callback, void *callback_state)
 
IndexBulkDeleteResultindex_vacuum_cleanup (IndexVacuumInfo *info, IndexBulkDeleteResult *istat)
 
bool index_can_return (Relation indexRelation, int attno)
 
RegProcedure index_getprocid (Relation irel, AttrNumber attnum, uint16 procnum)
 
FmgrInfoindex_getprocinfo (Relation irel, AttrNumber attnum, uint16 procnum)
 
void index_store_float8_orderby_distances (IndexScanDesc scan, Oid *orderByTypes, IndexOrderByDistance *distances, bool recheckOrderBy)
 
byteaindex_opclass_options (Relation indrel, AttrNumber attnum, Datum attoptions, bool validate)
 

Macro Definition Documentation

◆ CHECK_REL_PROCEDURE

#define CHECK_REL_PROCEDURE (   pname)
Value:
do { \
if (indexRelation->rd_indam->pname == NULL) \
elog(ERROR, "function \"%s\" is not defined for index \"%s\"", \
CppAsString(pname), RelationGetRelationName(indexRelation)); \
} while(0)
#define CppAsString(identifier)
Definition: c.h:313
#define ERROR
Definition: elog.h:39
#define RelationGetRelationName(relation)
Definition: rel.h:539

Definition at line 93 of file indexam.c.

◆ CHECK_SCAN_PROCEDURE

#define CHECK_SCAN_PROCEDURE (   pname)
Value:
do { \
if (scan->indexRelation->rd_indam->pname == NULL) \
elog(ERROR, "function \"%s\" is not defined for index \"%s\"", \
CppAsString(pname), RelationGetRelationName(scan->indexRelation)); \
} while(0)

Definition at line 100 of file indexam.c.

◆ RELATION_CHECKS

#define RELATION_CHECKS
Value:
do { \
Assert(RelationIsValid(indexRelation)); \
Assert(PointerIsValid(indexRelation->rd_indam)); \
ereport(ERROR, \
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED), \
errmsg("cannot access index \"%s\" while it is being reindexed", \
RelationGetRelationName(indexRelation)))); \
} while(0)
#define PointerIsValid(pointer)
Definition: c.h:750
#define unlikely(x)
Definition: c.h:298
int errcode(int sqlerrcode)
Definition: elog.c:859
int errmsg(const char *fmt,...)
Definition: elog.c:1072
bool ReindexIsProcessingIndex(Oid indexOid)
Definition: index.c:4069
#define RelationGetRelid(relation)
Definition: rel.h:505
#define RelationIsValid(relation)
Definition: rel.h:478

Definition at line 75 of file indexam.c.

◆ SCAN_CHECKS

#define SCAN_CHECKS
Value:
( \
AssertMacro(IndexScanIsValid(scan)), \
AssertMacro(RelationIsValid(scan->indexRelation)), \
AssertMacro(PointerIsValid(scan->indexRelation->rd_indam)) \
)
#define IndexScanIsValid(scan)
Definition: genam.h:139

Definition at line 86 of file indexam.c.

Function Documentation

◆ index_beginscan()

IndexScanDesc index_beginscan ( Relation  heapRelation,
Relation  indexRelation,
Snapshot  snapshot,
int  nkeys,
int  norderbys 
)

Definition at line 257 of file indexam.c.

261 {
262  IndexScanDesc scan;
263 
264  Assert(snapshot != InvalidSnapshot);
265 
266  scan = index_beginscan_internal(indexRelation, nkeys, norderbys, snapshot, NULL, false);
267 
268  /*
269  * Save additional parameters into the scandesc. Everything else was set
270  * up by RelationGetIndexScan.
271  */
272  scan->heapRelation = heapRelation;
273  scan->xs_snapshot = snapshot;
274 
275  /* prepare to fetch index matches from table */
276  scan->xs_heapfetch = table_index_fetch_begin(heapRelation);
277 
278  return scan;
279 }
static IndexScanDesc index_beginscan_internal(Relation indexRelation, int nkeys, int norderbys, Snapshot snapshot, ParallelIndexScanDesc pscan, bool temp_snap)
Definition: indexam.c:311
Assert(fmt[strlen(fmt) - 1] !='\n')
#define InvalidSnapshot
Definition: snapshot.h:123
IndexFetchTableData * xs_heapfetch
Definition: relscan.h:150
struct SnapshotData * xs_snapshot
Definition: relscan.h:119
Relation heapRelation
Definition: relscan.h:117
static IndexFetchTableData * table_index_fetch_begin(Relation rel)
Definition: tableam.h:1182

References Assert(), IndexScanDescData::heapRelation, index_beginscan_internal(), InvalidSnapshot, table_index_fetch_begin(), IndexScanDescData::xs_heapfetch, and IndexScanDescData::xs_snapshot.

Referenced by check_exclusion_or_unique_constraint(), get_actual_variable_endpoint(), heapam_relation_copy_for_cluster(), IndexNext(), IndexNextWithReorder(), IndexOnlyNext(), RelationFindReplTupleByIndex(), systable_beginscan(), and systable_beginscan_ordered().

◆ index_beginscan_bitmap()

IndexScanDesc index_beginscan_bitmap ( Relation  indexRelation,
Snapshot  snapshot,
int  nkeys 
)

Definition at line 288 of file indexam.c.

291 {
292  IndexScanDesc scan;
293 
294  Assert(snapshot != InvalidSnapshot);
295 
296  scan = index_beginscan_internal(indexRelation, nkeys, 0, snapshot, NULL, false);
297 
298  /*
299  * Save additional parameters into the scandesc. Everything else was set
300  * up by RelationGetIndexScan.
301  */
302  scan->xs_snapshot = snapshot;
303 
304  return scan;
305 }

References Assert(), index_beginscan_internal(), InvalidSnapshot, and IndexScanDescData::xs_snapshot.

Referenced by ExecInitBitmapIndexScan().

◆ index_beginscan_internal()

static IndexScanDesc index_beginscan_internal ( Relation  indexRelation,
int  nkeys,
int  norderbys,
Snapshot  snapshot,
ParallelIndexScanDesc  pscan,
bool  temp_snap 
)
static

Definition at line 311 of file indexam.c.

314 {
315  IndexScanDesc scan;
316 
318  CHECK_REL_PROCEDURE(ambeginscan);
319 
320  if (!(indexRelation->rd_indam->ampredlocks))
321  PredicateLockRelation(indexRelation, snapshot);
322 
323  /*
324  * We hold a reference count to the relcache entry throughout the scan.
325  */
326  RelationIncrementReferenceCount(indexRelation);
327 
328  /*
329  * Tell the AM to open a scan.
330  */
331  scan = indexRelation->rd_indam->ambeginscan(indexRelation, nkeys,
332  norderbys);
333  /* Initialize information for parallel scan. */
334  scan->parallel_scan = pscan;
335  scan->xs_temp_snap = temp_snap;
336 
337  return scan;
338 }
#define CHECK_REL_PROCEDURE(pname)
Definition: indexam.c:93
#define RELATION_CHECKS
Definition: indexam.c:75
void PredicateLockRelation(Relation relation, Snapshot snapshot)
Definition: predicate.c:2556
void RelationIncrementReferenceCount(Relation rel)
Definition: relcache.c:2153
bool ampredlocks
Definition: amapi.h:243
ambeginscan_function ambeginscan
Definition: amapi.h:279
struct ParallelIndexScanDescData * parallel_scan
Definition: relscan.h:166
struct IndexAmRoutine * rd_indam
Definition: rel.h:206

References IndexAmRoutine::ambeginscan, IndexAmRoutine::ampredlocks, CHECK_REL_PROCEDURE, IndexScanDescData::parallel_scan, PredicateLockRelation(), RelationData::rd_indam, RELATION_CHECKS, RelationIncrementReferenceCount(), and IndexScanDescData::xs_temp_snap.

Referenced by index_beginscan(), index_beginscan_bitmap(), and index_beginscan_parallel().

◆ index_beginscan_parallel()

IndexScanDesc index_beginscan_parallel ( Relation  heaprel,
Relation  indexrel,
int  nkeys,
int  norderbys,
ParallelIndexScanDesc  pscan 
)

Definition at line 544 of file indexam.c.

546 {
547  Snapshot snapshot;
548  IndexScanDesc scan;
549 
550  Assert(RelationGetRelid(heaprel) == pscan->ps_relid);
551  snapshot = RestoreSnapshot(pscan->ps_snapshot_data);
552  RegisterSnapshot(snapshot);
553  scan = index_beginscan_internal(indexrel, nkeys, norderbys, snapshot,
554  pscan, true);
555 
556  /*
557  * Save additional parameters into the scandesc. Everything else was set
558  * up by index_beginscan_internal.
559  */
560  scan->heapRelation = heaprel;
561  scan->xs_snapshot = snapshot;
562 
563  /* prepare to fetch index matches from table */
564  scan->xs_heapfetch = table_index_fetch_begin(heaprel);
565 
566  return scan;
567 }
Snapshot RestoreSnapshot(char *start_address)
Definition: snapmgr.c:1775
Snapshot RegisterSnapshot(Snapshot snapshot)
Definition: snapmgr.c:794
char ps_snapshot_data[FLEXIBLE_ARRAY_MEMBER]
Definition: relscan.h:175

References Assert(), IndexScanDescData::heapRelation, index_beginscan_internal(), ParallelIndexScanDescData::ps_relid, ParallelIndexScanDescData::ps_snapshot_data, RegisterSnapshot(), RelationGetRelid, RestoreSnapshot(), table_index_fetch_begin(), IndexScanDescData::xs_heapfetch, and IndexScanDescData::xs_snapshot.

Referenced by ExecIndexOnlyScanInitializeDSM(), ExecIndexOnlyScanInitializeWorker(), ExecIndexScanInitializeDSM(), and ExecIndexScanInitializeWorker().

◆ index_bulk_delete()

IndexBulkDeleteResult* index_bulk_delete ( IndexVacuumInfo info,
IndexBulkDeleteResult istat,
IndexBulkDeleteCallback  callback,
void *  callback_state 
)

Definition at line 751 of file indexam.c.

755 {
756  Relation indexRelation = info->index;
757 
759  CHECK_REL_PROCEDURE(ambulkdelete);
760 
761  return indexRelation->rd_indam->ambulkdelete(info, istat,
762  callback, callback_state);
763 }
ambulkdelete_function ambulkdelete
Definition: amapi.h:270
Relation index
Definition: genam.h:46
static void callback(struct sockaddr *addr, struct sockaddr *mask, void *unused)
Definition: test_ifaddrs.c:46

References IndexAmRoutine::ambulkdelete, callback(), CHECK_REL_PROCEDURE, IndexVacuumInfo::index, RelationData::rd_indam, and RELATION_CHECKS.

Referenced by vac_bulkdel_one_index(), and validate_index().

◆ index_can_return()

bool index_can_return ( Relation  indexRelation,
int  attno 
)

Definition at line 791 of file indexam.c.

792 {
794 
795  /* amcanreturn is optional; assume false if not provided by AM */
796  if (indexRelation->rd_indam->amcanreturn == NULL)
797  return false;
798 
799  return indexRelation->rd_indam->amcanreturn(indexRelation, attno);
800 }
amcanreturn_function amcanreturn
Definition: amapi.h:272

References IndexAmRoutine::amcanreturn, RelationData::rd_indam, and RELATION_CHECKS.

Referenced by get_relation_info(), and indexam_property().

◆ index_close()

void index_close ( Relation  relation,
LOCKMODE  lockmode 
)

Definition at line 177 of file indexam.c.

178 {
179  LockRelId relid = relation->rd_lockInfo.lockRelId;
180 
181  Assert(lockmode >= NoLock && lockmode < MAX_LOCKMODES);
182 
183  /* The relcache does the real work... */
184  RelationClose(relation);
185 
186  if (lockmode != NoLock)
187  UnlockRelationId(&relid, lockmode);
188 }
void UnlockRelationId(LockRelId *relid, LOCKMODE lockmode)
Definition: lmgr.c:212
#define MAX_LOCKMODES
Definition: lock.h:82
#define NoLock
Definition: lockdefs.h:34
void RelationClose(Relation relation)
Definition: relcache.c:2186
LockRelId lockRelId
Definition: rel.h:46
Definition: rel.h:39
LockInfoData rd_lockInfo
Definition: rel.h:114

References Assert(), LockInfoData::lockRelId, MAX_LOCKMODES, NoLock, RelationData::rd_lockInfo, RelationClose(), and UnlockRelationId().

Referenced by _brin_parallel_build_main(), _bt_parallel_build_main(), ATExecAddIndex(), ATExecAddIndexConstraint(), ATExecReplicaIdentity(), AttachPartitionEnsureIndexes(), brin_page_items(), brincostestimate(), bt_index_check_internal(), build_indices(), BuildEventTriggerCache(), check_index_is_clusterable(), CheckIndexCompatible(), close_lo_relation(), copy_table_data(), DefineIndex(), DefineRelation(), DetachPartitionFinalize(), enum_endpoint(), enum_range_internal(), ExecCloseIndices(), ExecEndBitmapIndexScan(), ExecEndIndexOnlyScan(), ExecEndIndexScan(), ExecRefreshMatView(), expandTableLikeClause(), FindReplTupleInLocalRel(), FindUsableIndexForReplicaIdentityFull(), get_actual_variable_range(), get_relation_info(), gin_clean_pending_list(), gincostestimate(), gist_page_items(), hash_bitmap_info(), index_concurrently_build(), index_concurrently_create_copy(), index_concurrently_set_dead(), index_create(), index_drop(), indexam_property(), infer_arbiter_indexes(), InitCatCachePhase2(), lookup_ts_config_cache(), pg_nextoid(), pgstathashindex(), plan_create_index_workers(), refresh_by_match_merge(), reindex_index(), ReindexRelationConcurrently(), RelationFindReplTupleByIndex(), RelationGetIndexAttrBitmap(), RelationTruncateIndexes(), SetIndexStorageProperties(), systable_endscan(), toast_close_indexes(), TryReuseIndex(), vac_close_indexes(), vac_open_indexes(), and validate_index().

◆ index_endscan()

void index_endscan ( IndexScanDesc  scan)

Definition at line 379 of file indexam.c.

380 {
381  SCAN_CHECKS;
382  CHECK_SCAN_PROCEDURE(amendscan);
383 
384  /* Release resources (like buffer pins) from table accesses */
385  if (scan->xs_heapfetch)
386  {
388  scan->xs_heapfetch = NULL;
389  }
390 
391  /* End the AM's scan */
392  scan->indexRelation->rd_indam->amendscan(scan);
393 
394  /* Release index refcount acquired by index_beginscan */
396 
397  if (scan->xs_temp_snap)
399 
400  /* Release the scan data structure itself */
401  IndexScanEnd(scan);
402 }
void IndexScanEnd(IndexScanDesc scan)
Definition: genam.c:142
#define CHECK_SCAN_PROCEDURE(pname)
Definition: indexam.c:100
#define SCAN_CHECKS
Definition: indexam.c:86
void RelationDecrementReferenceCount(Relation rel)
Definition: relcache.c:2166
void UnregisterSnapshot(Snapshot snapshot)
Definition: snapmgr.c:836
amendscan_function amendscan
Definition: amapi.h:283
Relation indexRelation
Definition: relscan.h:118
static void table_index_fetch_end(struct IndexFetchTableData *scan)
Definition: tableam.h:1201

References IndexAmRoutine::amendscan, CHECK_SCAN_PROCEDURE, IndexScanDescData::indexRelation, IndexScanEnd(), RelationData::rd_indam, RelationDecrementReferenceCount(), SCAN_CHECKS, table_index_fetch_end(), UnregisterSnapshot(), IndexScanDescData::xs_heapfetch, IndexScanDescData::xs_snapshot, and IndexScanDescData::xs_temp_snap.

Referenced by check_exclusion_or_unique_constraint(), ExecEndBitmapIndexScan(), ExecEndIndexOnlyScan(), ExecEndIndexScan(), get_actual_variable_endpoint(), heapam_relation_copy_for_cluster(), RelationFindReplTupleByIndex(), systable_endscan(), and systable_endscan_ordered().

◆ index_fetch_heap()

bool index_fetch_heap ( IndexScanDesc  scan,
TupleTableSlot slot 
)

Definition at line 635 of file indexam.c.

636 {
637  bool all_dead = false;
638  bool found;
639 
640  found = table_index_fetch_tuple(scan->xs_heapfetch, &scan->xs_heaptid,
641  scan->xs_snapshot, slot,
642  &scan->xs_heap_continue, &all_dead);
643 
644  if (found)
646 
647  /*
648  * If we scanned a whole HOT chain and found only dead tuples, tell index
649  * AM to kill its entry for that TID (this will take effect in the next
650  * amgettuple call, in index_getnext_tid). We do not do this when in
651  * recovery because it may violate MVCC to do so. See comments in
652  * RelationGetIndexScan().
653  */
654  if (!scan->xactStartedInRecovery)
655  scan->kill_prior_tuple = all_dead;
656 
657  return found;
658 }
#define pgstat_count_heap_fetch(rel)
Definition: pgstat.h:620
bool xs_heap_continue
Definition: relscan.h:148
bool xactStartedInRecovery
Definition: relscan.h:130
bool kill_prior_tuple
Definition: relscan.h:128
ItemPointerData xs_heaptid
Definition: relscan.h:147
static bool table_index_fetch_tuple(struct IndexFetchTableData *scan, ItemPointer tid, Snapshot snapshot, TupleTableSlot *slot, bool *call_again, bool *all_dead)
Definition: tableam.h:1231

References IndexScanDescData::indexRelation, IndexScanDescData::kill_prior_tuple, pgstat_count_heap_fetch, table_index_fetch_tuple(), IndexScanDescData::xactStartedInRecovery, IndexScanDescData::xs_heap_continue, IndexScanDescData::xs_heapfetch, IndexScanDescData::xs_heaptid, and IndexScanDescData::xs_snapshot.

Referenced by get_actual_variable_endpoint(), index_getnext_slot(), and IndexOnlyNext().

◆ index_getbitmap()

int64 index_getbitmap ( IndexScanDesc  scan,
TIDBitmap bitmap 
)

Definition at line 721 of file indexam.c.

722 {
723  int64 ntids;
724 
725  SCAN_CHECKS;
726  CHECK_SCAN_PROCEDURE(amgetbitmap);
727 
728  /* just make sure this is false... */
729  scan->kill_prior_tuple = false;
730 
731  /*
732  * have the am's getbitmap proc do all the work.
733  */
734  ntids = scan->indexRelation->rd_indam->amgetbitmap(scan, bitmap);
735 
737 
738  return ntids;
739 }
#define pgstat_count_index_tuples(rel, n)
Definition: pgstat.h:630
amgetbitmap_function amgetbitmap
Definition: amapi.h:282

References IndexAmRoutine::amgetbitmap, CHECK_SCAN_PROCEDURE, IndexScanDescData::indexRelation, IndexScanDescData::kill_prior_tuple, pgstat_count_index_tuples, RelationData::rd_indam, and SCAN_CHECKS.

Referenced by MultiExecBitmapIndexScan().

◆ index_getnext_slot()

bool index_getnext_slot ( IndexScanDesc  scan,
ScanDirection  direction,
TupleTableSlot slot 
)

Definition at line 676 of file indexam.c.

677 {
678  for (;;)
679  {
680  if (!scan->xs_heap_continue)
681  {
682  ItemPointer tid;
683 
684  /* Time to fetch the next TID from the index */
685  tid = index_getnext_tid(scan, direction);
686 
687  /* If we're out of index entries, we're done */
688  if (tid == NULL)
689  break;
690 
691  Assert(ItemPointerEquals(tid, &scan->xs_heaptid));
692  }
693 
694  /*
695  * Fetch the next (or only) visible heap tuple for this index entry.
696  * If we don't find anything, loop around and grab the next TID from
697  * the index.
698  */
700  if (index_fetch_heap(scan, slot))
701  return true;
702  }
703 
704  return false;
705 }
ItemPointer index_getnext_tid(IndexScanDesc scan, ScanDirection direction)
Definition: indexam.c:577
bool index_fetch_heap(IndexScanDesc scan, TupleTableSlot *slot)
Definition: indexam.c:635
bool ItemPointerEquals(ItemPointer pointer1, ItemPointer pointer2)
Definition: itemptr.c:35
static bool ItemPointerIsValid(const ItemPointerData *pointer)
Definition: itemptr.h:83

References Assert(), index_fetch_heap(), index_getnext_tid(), ItemPointerEquals(), ItemPointerIsValid(), IndexScanDescData::xs_heap_continue, and IndexScanDescData::xs_heaptid.

Referenced by check_exclusion_or_unique_constraint(), heapam_relation_copy_for_cluster(), IndexNext(), IndexNextWithReorder(), RelationFindReplTupleByIndex(), systable_getnext(), and systable_getnext_ordered().

◆ index_getnext_tid()

ItemPointer index_getnext_tid ( IndexScanDesc  scan,
ScanDirection  direction 
)

Definition at line 577 of file indexam.c.

578 {
579  bool found;
580 
581  SCAN_CHECKS;
582  CHECK_SCAN_PROCEDURE(amgettuple);
583 
584  /* XXX: we should assert that a snapshot is pushed or registered */
586 
587  /*
588  * The AM's amgettuple proc finds the next index entry matching the scan
589  * keys, and puts the TID into scan->xs_heaptid. It should also set
590  * scan->xs_recheck and possibly scan->xs_itup/scan->xs_hitup, though we
591  * pay no attention to those fields here.
592  */
593  found = scan->indexRelation->rd_indam->amgettuple(scan, direction);
594 
595  /* Reset kill flag immediately for safety */
596  scan->kill_prior_tuple = false;
597  scan->xs_heap_continue = false;
598 
599  /* If we're out of index entries, we're done */
600  if (!found)
601  {
602  /* release resources (like buffer pins) from table accesses */
603  if (scan->xs_heapfetch)
605 
606  return NULL;
607  }
609 
611 
612  /* Return the TID of the tuple we found. */
613  return &scan->xs_heaptid;
614 }
TransactionId RecentXmin
Definition: snapmgr.c:99
amgettuple_function amgettuple
Definition: amapi.h:281
static void table_index_fetch_reset(struct IndexFetchTableData *scan)
Definition: tableam.h:1192
#define TransactionIdIsValid(xid)
Definition: transam.h:41

References IndexAmRoutine::amgettuple, Assert(), CHECK_SCAN_PROCEDURE, IndexScanDescData::indexRelation, ItemPointerIsValid(), IndexScanDescData::kill_prior_tuple, pgstat_count_index_tuples, RelationData::rd_indam, RecentXmin, SCAN_CHECKS, table_index_fetch_reset(), TransactionIdIsValid, IndexScanDescData::xs_heap_continue, IndexScanDescData::xs_heapfetch, and IndexScanDescData::xs_heaptid.

Referenced by get_actual_variable_endpoint(), index_getnext_slot(), and IndexOnlyNext().

◆ index_getprocid()

RegProcedure index_getprocid ( Relation  irel,
AttrNumber  attnum,
uint16  procnum 
)

Definition at line 829 of file indexam.c.

832 {
833  RegProcedure *loc;
834  int nproc;
835  int procindex;
836 
837  nproc = irel->rd_indam->amsupport;
838 
839  Assert(procnum > 0 && procnum <= (uint16) nproc);
840 
841  procindex = (nproc * (attnum - 1)) + (procnum - 1);
842 
843  loc = irel->rd_support;
844 
845  Assert(loc != NULL);
846 
847  return loc[procindex];
848 }
unsigned short uint16
Definition: c.h:492
regproc RegProcedure
Definition: c.h:637
int16 attnum
Definition: pg_attribute.h:74
uint16 amsupport
Definition: amapi.h:219
RegProcedure * rd_support
Definition: rel.h:209

References IndexAmRoutine::amsupport, Assert(), attnum, RelationData::rd_indam, and RelationData::rd_support.

Referenced by _hash_init(), bloom_get_procinfo(), gistbuild(), gistcanreturn(), inclusion_get_procinfo(), index_opclass_options(), initGinState(), initGISTstate(), minmax_multi_get_procinfo(), spgdoinsert(), and spgGetCache().

◆ index_getprocinfo()

FmgrInfo* index_getprocinfo ( Relation  irel,
AttrNumber  attnum,
uint16  procnum 
)

Definition at line 863 of file indexam.c.

866 {
867  FmgrInfo *locinfo;
868  int nproc;
869  int optsproc;
870  int procindex;
871 
872  nproc = irel->rd_indam->amsupport;
873  optsproc = irel->rd_indam->amoptsprocnum;
874 
875  Assert(procnum > 0 && procnum <= (uint16) nproc);
876 
877  procindex = (nproc * (attnum - 1)) + (procnum - 1);
878 
879  locinfo = irel->rd_supportinfo;
880 
881  Assert(locinfo != NULL);
882 
883  locinfo += procindex;
884 
885  /* Initialize the lookup info if first time through */
886  if (locinfo->fn_oid == InvalidOid)
887  {
888  RegProcedure *loc = irel->rd_support;
889  RegProcedure procId;
890 
891  Assert(loc != NULL);
892 
893  procId = loc[procindex];
894 
895  /*
896  * Complain if function was not found during IndexSupportInitialize.
897  * This should not happen unless the system tables contain bogus
898  * entries for the index opclass. (If an AM wants to allow a support
899  * function to be optional, it can use index_getprocid.)
900  */
901  if (!RegProcedureIsValid(procId))
902  elog(ERROR, "missing support function %d for attribute %d of index \"%s\"",
903  procnum, attnum, RelationGetRelationName(irel));
904 
905  fmgr_info_cxt(procId, locinfo, irel->rd_indexcxt);
906 
907  if (procnum != optsproc)
908  {
909  /* Initialize locinfo->fn_expr with opclass options Const */
910  bytea **attoptions = RelationGetIndexAttOptions(irel, false);
912 
913  set_fn_opclass_options(locinfo, attoptions[attnum - 1]);
914 
915  MemoryContextSwitchTo(oldcxt);
916  }
917  }
918 
919  return locinfo;
920 }
#define RegProcedureIsValid(p)
Definition: c.h:764
#define elog(elevel,...)
Definition: elog.h:224
void set_fn_opclass_options(FmgrInfo *flinfo, bytea *options)
Definition: fmgr.c:2070
void fmgr_info_cxt(Oid functionId, FmgrInfo *finfo, MemoryContext mcxt)
Definition: fmgr.c:137
static MemoryContext MemoryContextSwitchTo(MemoryContext context)
Definition: palloc.h:124
#define InvalidOid
Definition: postgres_ext.h:36
bytea ** RelationGetIndexAttOptions(Relation relation, bool copy)
Definition: relcache.c:5873
Definition: fmgr.h:57
Oid fn_oid
Definition: fmgr.h:59
uint16 amoptsprocnum
Definition: amapi.h:221
MemoryContext rd_indexcxt
Definition: rel.h:204
struct FmgrInfo * rd_supportinfo
Definition: rel.h:210
Definition: c.h:674

References IndexAmRoutine::amoptsprocnum, IndexAmRoutine::amsupport, Assert(), attnum, elog, ERROR, fmgr_info_cxt(), FmgrInfo::fn_oid, InvalidOid, MemoryContextSwitchTo(), RelationData::rd_indam, RelationData::rd_indexcxt, RelationData::rd_support, RelationData::rd_supportinfo, RegProcedureIsValid, RelationGetIndexAttOptions(), RelationGetRelationName, and set_fn_opclass_options().

Referenced by _bt_first(), _bt_mkscankey(), _hash_datum2hashkey(), add_values_to_range(), bloom_get_procinfo(), brin_build_desc(), bringetbitmap(), doPickSplit(), inclusion_get_procinfo(), index_opclass_options(), initBloomState(), initGinState(), initGISTstate(), minmax_multi_get_procinfo(), spgbeginscan(), spgdoinsert(), spgGetCache(), and union_tuples().

◆ index_insert()

bool index_insert ( Relation  indexRelation,
Datum values,
bool isnull,
ItemPointer  heap_t_ctid,
Relation  heapRelation,
IndexUniqueCheck  checkUnique,
bool  indexUnchanged,
IndexInfo indexInfo 
)

Definition at line 213 of file indexam.c.

221 {
223  CHECK_REL_PROCEDURE(aminsert);
224 
225  if (!(indexRelation->rd_indam->ampredlocks))
226  CheckForSerializableConflictIn(indexRelation,
227  (ItemPointer) NULL,
229 
230  return indexRelation->rd_indam->aminsert(indexRelation, values, isnull,
231  heap_t_ctid, heapRelation,
232  checkUnique, indexUnchanged,
233  indexInfo);
234 }
#define InvalidBlockNumber
Definition: block.h:33
static Datum values[MAXATTR]
Definition: bootstrap.c:152
void CheckForSerializableConflictIn(Relation relation, ItemPointer tid, BlockNumber blkno)
Definition: predicate.c:4316
aminsert_function aminsert
Definition: amapi.h:268

References IndexAmRoutine::aminsert, IndexAmRoutine::ampredlocks, CHECK_REL_PROCEDURE, CheckForSerializableConflictIn(), InvalidBlockNumber, RelationData::rd_indam, RELATION_CHECKS, and values.

Referenced by CatalogIndexInsert(), ExecInsertIndexTuples(), heapam_index_validate_scan(), and toast_save_datum().

◆ index_insert_cleanup()

void index_insert_cleanup ( Relation  indexRelation,
IndexInfo indexInfo 
)

Definition at line 241 of file indexam.c.

243 {
245  Assert(indexInfo);
246 
247  if (indexRelation->rd_indam->aminsertcleanup && indexInfo->ii_AmCache)
248  indexRelation->rd_indam->aminsertcleanup(indexInfo);
249 }
aminsertcleanup_function aminsertcleanup
Definition: amapi.h:269
void * ii_AmCache
Definition: execnodes.h:207

References IndexAmRoutine::aminsertcleanup, Assert(), IndexInfo::ii_AmCache, RelationData::rd_indam, and RELATION_CHECKS.

Referenced by ExecCloseIndices().

◆ index_markpos()

void index_markpos ( IndexScanDesc  scan)

Definition at line 409 of file indexam.c.

410 {
411  SCAN_CHECKS;
412  CHECK_SCAN_PROCEDURE(ammarkpos);
413 
414  scan->indexRelation->rd_indam->ammarkpos(scan);
415 }
ammarkpos_function ammarkpos
Definition: amapi.h:284

References IndexAmRoutine::ammarkpos, CHECK_SCAN_PROCEDURE, IndexScanDescData::indexRelation, RelationData::rd_indam, and SCAN_CHECKS.

Referenced by ExecIndexMarkPos(), and ExecIndexOnlyMarkPos().

◆ index_opclass_options()

bytea* index_opclass_options ( Relation  indrel,
AttrNumber  attnum,
Datum  attoptions,
bool  validate 
)

Definition at line 999 of file indexam.c.

1001 {
1002  int amoptsprocnum = indrel->rd_indam->amoptsprocnum;
1003  Oid procid = InvalidOid;
1004  FmgrInfo *procinfo;
1005  local_relopts relopts;
1006 
1007  /* fetch options support procedure if specified */
1008  if (amoptsprocnum != 0)
1009  procid = index_getprocid(indrel, attnum, amoptsprocnum);
1010 
1011  if (!OidIsValid(procid))
1012  {
1013  Oid opclass;
1014  Datum indclassDatum;
1015  oidvector *indclass;
1016 
1017  if (!DatumGetPointer(attoptions))
1018  return NULL; /* ok, no options, no procedure */
1019 
1020  /*
1021  * Report an error if the opclass's options-parsing procedure does not
1022  * exist but the opclass options are specified.
1023  */
1024  indclassDatum = SysCacheGetAttrNotNull(INDEXRELID, indrel->rd_indextuple,
1025  Anum_pg_index_indclass);
1026  indclass = (oidvector *) DatumGetPointer(indclassDatum);
1027  opclass = indclass->values[attnum - 1];
1028 
1029  ereport(ERROR,
1030  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
1031  errmsg("operator class %s has no options",
1032  generate_opclass_name(opclass))));
1033  }
1034 
1035  init_local_reloptions(&relopts, 0);
1036 
1037  procinfo = index_getprocinfo(indrel, attnum, amoptsprocnum);
1038 
1039  (void) FunctionCall1(procinfo, PointerGetDatum(&relopts));
1040 
1041  return build_local_reloptions(&relopts, attoptions, validate);
1042 }
#define OidIsValid(objectId)
Definition: c.h:762
#define ereport(elevel,...)
Definition: elog.h:149
#define FunctionCall1(flinfo, arg1)
Definition: fmgr.h:660
FmgrInfo * index_getprocinfo(Relation irel, AttrNumber attnum, uint16 procnum)
Definition: indexam.c:863
RegProcedure index_getprocid(Relation irel, AttrNumber attnum, uint16 procnum)
Definition: indexam.c:829
static Datum PointerGetDatum(const void *X)
Definition: postgres.h:322
uintptr_t Datum
Definition: postgres.h:64
static Pointer DatumGetPointer(Datum X)
Definition: postgres.h:312
unsigned int Oid
Definition: postgres_ext.h:31
void init_local_reloptions(local_relopts *relopts, Size relopt_struct_size)
Definition: reloptions.c:734
void * build_local_reloptions(local_relopts *relopts, Datum options, bool validate)
Definition: reloptions.c:1945
char * generate_opclass_name(Oid opclass)
Definition: ruleutils.c:11857
struct HeapTupleData * rd_indextuple
Definition: rel.h:194
Definition: c.h:713
Oid values[FLEXIBLE_ARRAY_MEMBER]
Definition: c.h:720
Datum SysCacheGetAttrNotNull(int cacheId, HeapTuple tup, AttrNumber attributeNumber)
Definition: syscache.c:510

References IndexAmRoutine::amoptsprocnum, attnum, build_local_reloptions(), DatumGetPointer(), ereport, errcode(), errmsg(), ERROR, FunctionCall1, generate_opclass_name(), index_getprocid(), index_getprocinfo(), init_local_reloptions(), InvalidOid, OidIsValid, PointerGetDatum(), RelationData::rd_indam, RelationData::rd_indextuple, SysCacheGetAttrNotNull(), and oidvector::values.

Referenced by index_create(), and RelationGetIndexAttOptions().

◆ index_open()

Relation index_open ( Oid  relationId,
LOCKMODE  lockmode 
)

Definition at line 133 of file indexam.c.

134 {
135  Relation r;
136 
137  r = relation_open(relationId, lockmode);
138 
140 
141  return r;
142 }
static void validate_relation_kind(Relation r)
Definition: indexam.c:197
Relation relation_open(Oid relationId, LOCKMODE lockmode)
Definition: relation.c:47

References relation_open(), and validate_relation_kind().

Referenced by _brin_parallel_build_main(), _bt_parallel_build_main(), ATExecAddIndex(), ATExecAddIndexConstraint(), ATExecReplicaIdentity(), AttachPartitionEnsureIndexes(), brin_desummarize_range(), brin_page_items(), brin_summarize_range(), brincostestimate(), bt_index_check_internal(), build_indices(), BuildEventTriggerCache(), check_index_is_clusterable(), CheckIndexCompatible(), copy_table_data(), DefineIndex(), DefineRelation(), DetachPartitionFinalize(), enum_endpoint(), enum_range_internal(), ExecInitBitmapIndexScan(), ExecInitIndexOnlyScan(), ExecInitIndexScan(), ExecOpenIndices(), ExecRefreshMatView(), expandTableLikeClause(), FindReplTupleInLocalRel(), FindUsableIndexForReplicaIdentityFull(), get_actual_variable_range(), get_relation_info(), gin_clean_pending_list(), gincostestimate(), gist_page_items(), index_concurrently_build(), index_concurrently_create_copy(), index_concurrently_set_dead(), index_drop(), indexam_property(), infer_arbiter_indexes(), InitCatCachePhase2(), lookup_ts_config_cache(), open_lo_relation(), pg_nextoid(), plan_create_index_workers(), refresh_by_match_merge(), reindex_index(), ReindexRelationConcurrently(), RelationFindReplTupleByIndex(), RelationGetIndexAttrBitmap(), RelationTruncateIndexes(), SetIndexStorageProperties(), systable_beginscan(), toast_open_indexes(), transformIndexConstraint(), TryReuseIndex(), vac_open_indexes(), and validate_index().

◆ index_parallelrescan()

void index_parallelrescan ( IndexScanDesc  scan)

Definition at line 526 of file indexam.c.

527 {
528  SCAN_CHECKS;
529 
530  if (scan->xs_heapfetch)
532 
533  /* amparallelrescan is optional; assume no-op if not provided by AM */
534  if (scan->indexRelation->rd_indam->amparallelrescan != NULL)
536 }
amparallelrescan_function amparallelrescan
Definition: amapi.h:290

References IndexAmRoutine::amparallelrescan, IndexScanDescData::indexRelation, RelationData::rd_indam, SCAN_CHECKS, table_index_fetch_reset(), and IndexScanDescData::xs_heapfetch.

Referenced by ExecIndexOnlyScanReInitializeDSM(), and ExecIndexScanReInitializeDSM().

◆ index_parallelscan_estimate()

Size index_parallelscan_estimate ( Relation  indexRelation,
Snapshot  snapshot 
)

Definition at line 458 of file indexam.c.

459 {
460  Size nbytes;
461 
462  Assert(snapshot != InvalidSnapshot);
463 
465 
466  nbytes = offsetof(ParallelIndexScanDescData, ps_snapshot_data);
467  nbytes = add_size(nbytes, EstimateSnapshotSpace(snapshot));
468  nbytes = MAXALIGN(nbytes);
469 
470  /*
471  * If amestimateparallelscan is not provided, assume there is no
472  * AM-specific data needed. (It's hard to believe that could work, but
473  * it's easy enough to cater to it here.)
474  */
475  if (indexRelation->rd_indam->amestimateparallelscan != NULL)
476  nbytes = add_size(nbytes,
477  indexRelation->rd_indam->amestimateparallelscan());
478 
479  return nbytes;
480 }
#define MAXALIGN(LEN)
Definition: c.h:798
size_t Size
Definition: c.h:592
Size add_size(Size s1, Size s2)
Definition: shmem.c:493
Size EstimateSnapshotSpace(Snapshot snapshot)
Definition: snapmgr.c:1692
amestimateparallelscan_function amestimateparallelscan
Definition: amapi.h:288

References add_size(), IndexAmRoutine::amestimateparallelscan, Assert(), EstimateSnapshotSpace(), InvalidSnapshot, MAXALIGN, RelationData::rd_indam, and RELATION_CHECKS.

Referenced by ExecIndexOnlyScanEstimate(), and ExecIndexScanEstimate().

◆ index_parallelscan_initialize()

void index_parallelscan_initialize ( Relation  heapRelation,
Relation  indexRelation,
Snapshot  snapshot,
ParallelIndexScanDesc  target 
)

Definition at line 493 of file indexam.c.

495 {
496  Size offset;
497 
498  Assert(snapshot != InvalidSnapshot);
499 
501 
502  offset = add_size(offsetof(ParallelIndexScanDescData, ps_snapshot_data),
503  EstimateSnapshotSpace(snapshot));
504  offset = MAXALIGN(offset);
505 
506  target->ps_relid = RelationGetRelid(heapRelation);
507  target->ps_indexid = RelationGetRelid(indexRelation);
508  target->ps_offset = offset;
509  SerializeSnapshot(snapshot, target->ps_snapshot_data);
510 
511  /* aminitparallelscan is optional; assume no-op if not provided by AM */
512  if (indexRelation->rd_indam->aminitparallelscan != NULL)
513  {
514  void *amtarget;
515 
516  amtarget = OffsetToPointer(target, offset);
517  indexRelation->rd_indam->aminitparallelscan(amtarget);
518  }
519 }
#define OffsetToPointer(base, offset)
Definition: c.h:759
void SerializeSnapshot(Snapshot snapshot, char *start_address)
Definition: snapmgr.c:1716
aminitparallelscan_function aminitparallelscan
Definition: amapi.h:289

References add_size(), IndexAmRoutine::aminitparallelscan, Assert(), EstimateSnapshotSpace(), InvalidSnapshot, MAXALIGN, OffsetToPointer, ParallelIndexScanDescData::ps_indexid, ParallelIndexScanDescData::ps_offset, ParallelIndexScanDescData::ps_relid, ParallelIndexScanDescData::ps_snapshot_data, RelationData::rd_indam, RELATION_CHECKS, RelationGetRelid, and SerializeSnapshot().

Referenced by ExecIndexOnlyScanInitializeDSM(), and ExecIndexScanInitializeDSM().

◆ index_rescan()

void index_rescan ( IndexScanDesc  scan,
ScanKey  keys,
int  nkeys,
ScanKey  orderbys,
int  norderbys 
)

Definition at line 353 of file indexam.c.

356 {
357  SCAN_CHECKS;
358  CHECK_SCAN_PROCEDURE(amrescan);
359 
360  Assert(nkeys == scan->numberOfKeys);
361  Assert(norderbys == scan->numberOfOrderBys);
362 
363  /* Release resources (like buffer pins) from table accesses */
364  if (scan->xs_heapfetch)
366 
367  scan->kill_prior_tuple = false; /* for safety */
368  scan->xs_heap_continue = false;
369 
370  scan->indexRelation->rd_indam->amrescan(scan, keys, nkeys,
371  orderbys, norderbys);
372 }
amrescan_function amrescan
Definition: amapi.h:280
int numberOfOrderBys
Definition: relscan.h:121

References IndexAmRoutine::amrescan, Assert(), CHECK_SCAN_PROCEDURE, IndexScanDescData::indexRelation, IndexScanDescData::kill_prior_tuple, IndexScanDescData::numberOfKeys, IndexScanDescData::numberOfOrderBys, RelationData::rd_indam, SCAN_CHECKS, table_index_fetch_reset(), IndexScanDescData::xs_heap_continue, and IndexScanDescData::xs_heapfetch.

Referenced by check_exclusion_or_unique_constraint(), ExecIndexOnlyScanInitializeDSM(), ExecIndexOnlyScanInitializeWorker(), ExecIndexScanInitializeDSM(), ExecIndexScanInitializeWorker(), ExecInitBitmapIndexScan(), ExecReScanBitmapIndexScan(), ExecReScanIndexOnlyScan(), ExecReScanIndexScan(), get_actual_variable_endpoint(), heapam_relation_copy_for_cluster(), IndexNext(), IndexNextWithReorder(), IndexOnlyNext(), MultiExecBitmapIndexScan(), RelationFindReplTupleByIndex(), systable_beginscan(), and systable_beginscan_ordered().

◆ index_restrpos()

void index_restrpos ( IndexScanDesc  scan)

Definition at line 433 of file indexam.c.

434 {
436 
437  SCAN_CHECKS;
438  CHECK_SCAN_PROCEDURE(amrestrpos);
439 
440  /* release resources (like buffer pins) from table accesses */
441  if (scan->xs_heapfetch)
443 
444  scan->kill_prior_tuple = false; /* for safety */
445  scan->xs_heap_continue = false;
446 
447  scan->indexRelation->rd_indam->amrestrpos(scan);
448 }
#define IsMVCCSnapshot(snapshot)
Definition: snapmgr.h:62
amrestrpos_function amrestrpos
Definition: amapi.h:285

References IndexAmRoutine::amrestrpos, Assert(), CHECK_SCAN_PROCEDURE, IndexScanDescData::indexRelation, IsMVCCSnapshot, IndexScanDescData::kill_prior_tuple, RelationData::rd_indam, SCAN_CHECKS, table_index_fetch_reset(), IndexScanDescData::xs_heap_continue, IndexScanDescData::xs_heapfetch, and IndexScanDescData::xs_snapshot.

Referenced by ExecIndexOnlyRestrPos(), and ExecIndexRestrPos().

◆ index_store_float8_orderby_distances()

void index_store_float8_orderby_distances ( IndexScanDesc  scan,
Oid orderByTypes,
IndexOrderByDistance distances,
bool  recheckOrderBy 
)

Definition at line 931 of file indexam.c.

934 {
935  int i;
936 
937  Assert(distances || !recheckOrderBy);
938 
939  scan->xs_recheckorderby = recheckOrderBy;
940 
941  for (i = 0; i < scan->numberOfOrderBys; i++)
942  {
943  if (orderByTypes[i] == FLOAT8OID)
944  {
945 #ifndef USE_FLOAT8_BYVAL
946  /* must free any old value to avoid memory leakage */
947  if (!scan->xs_orderbynulls[i])
949 #endif
950  if (distances && !distances[i].isnull)
951  {
952  scan->xs_orderbyvals[i] = Float8GetDatum(distances[i].value);
953  scan->xs_orderbynulls[i] = false;
954  }
955  else
956  {
957  scan->xs_orderbyvals[i] = (Datum) 0;
958  scan->xs_orderbynulls[i] = true;
959  }
960  }
961  else if (orderByTypes[i] == FLOAT4OID)
962  {
963  /* convert distance function's result to ORDER BY type */
964  if (distances && !distances[i].isnull)
965  {
966  scan->xs_orderbyvals[i] = Float4GetDatum((float4) distances[i].value);
967  scan->xs_orderbynulls[i] = false;
968  }
969  else
970  {
971  scan->xs_orderbyvals[i] = (Datum) 0;
972  scan->xs_orderbynulls[i] = true;
973  }
974  }
975  else
976  {
977  /*
978  * If the ordering operator's return value is anything else, we
979  * don't know how to convert the float8 bound calculated by the
980  * distance function to that. The executor won't actually need
981  * the order by values we return here, if there are no lossy
982  * results, so only insist on converting if the *recheck flag is
983  * set.
984  */
985  if (scan->xs_recheckorderby)
986  elog(ERROR, "ORDER BY operator must return float8 or float4 if the distance function is lossy");
987  scan->xs_orderbynulls[i] = true;
988  }
989  }
990 }
float float4
Definition: c.h:616
Datum Float8GetDatum(float8 X)
Definition: fmgr.c:1816
static struct @150 value
int i
Definition: isn.c:73
void pfree(void *pointer)
Definition: mcxt.c:1508
static Datum Float4GetDatum(float4 X)
Definition: postgres.h:475
bool * xs_orderbynulls
Definition: relscan.h:162
bool xs_recheckorderby
Definition: relscan.h:163
Datum * xs_orderbyvals
Definition: relscan.h:161

References Assert(), DatumGetPointer(), elog, ERROR, Float4GetDatum(), Float8GetDatum(), i, IndexScanDescData::numberOfOrderBys, pfree(), value, IndexScanDescData::xs_orderbynulls, IndexScanDescData::xs_orderbyvals, and IndexScanDescData::xs_recheckorderby.

Referenced by getNextNearest(), and spggettuple().

◆ index_vacuum_cleanup()

IndexBulkDeleteResult* index_vacuum_cleanup ( IndexVacuumInfo info,
IndexBulkDeleteResult istat 
)

Definition at line 772 of file indexam.c.

774 {
775  Relation indexRelation = info->index;
776 
778  CHECK_REL_PROCEDURE(amvacuumcleanup);
779 
780  return indexRelation->rd_indam->amvacuumcleanup(info, istat);
781 }
amvacuumcleanup_function amvacuumcleanup
Definition: amapi.h:271

References IndexAmRoutine::amvacuumcleanup, CHECK_REL_PROCEDURE, IndexVacuumInfo::index, RelationData::rd_indam, and RELATION_CHECKS.

Referenced by do_analyze_rel(), and vac_cleanup_one_index().

◆ try_index_open()

Relation try_index_open ( Oid  relationId,
LOCKMODE  lockmode 
)

Definition at line 152 of file indexam.c.

153 {
154  Relation r;
155 
156  r = try_relation_open(relationId, lockmode);
157 
158  /* leave if index does not exist */
159  if (!r)
160  return NULL;
161 
163 
164  return r;
165 }
Relation try_relation_open(Oid relationId, LOCKMODE lockmode)
Definition: relation.c:88

References try_relation_open(), and validate_relation_kind().

Referenced by reindex_index().

◆ validate_relation_kind()

static void validate_relation_kind ( Relation  r)
inlinestatic

Definition at line 197 of file indexam.c.

198 {
199  if (r->rd_rel->relkind != RELKIND_INDEX &&
200  r->rd_rel->relkind != RELKIND_PARTITIONED_INDEX)
201  ereport(ERROR,
202  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
203  errmsg("\"%s\" is not an index",
205 }
Form_pg_class rd_rel
Definition: rel.h:111

References ereport, errcode(), errmsg(), ERROR, RelationData::rd_rel, and RelationGetRelationName.

Referenced by index_open(), and try_index_open().