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nodeIndexonlyscan.h File Reference
#include "nodes/execnodes.h"
#include "access/parallel.h"
Include dependency graph for nodeIndexonlyscan.h:
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Functions

IndexOnlyScanStateExecInitIndexOnlyScan (IndexOnlyScan *node, EState *estate, int eflags)
 
void ExecEndIndexOnlyScan (IndexOnlyScanState *node)
 
void ExecIndexOnlyMarkPos (IndexOnlyScanState *node)
 
void ExecIndexOnlyRestrPos (IndexOnlyScanState *node)
 
void ExecReScanIndexOnlyScan (IndexOnlyScanState *node)
 
void ExecIndexOnlyScanEstimate (IndexOnlyScanState *node, ParallelContext *pcxt)
 
void ExecIndexOnlyScanInitializeDSM (IndexOnlyScanState *node, ParallelContext *pcxt)
 
void ExecIndexOnlyScanInitializeWorker (IndexOnlyScanState *node, shm_toc *toc)
 

Function Documentation

void ExecEndIndexOnlyScan ( IndexOnlyScanState node)

Definition at line 387 of file nodeIndexonlyscan.c.

References ExecClearTuple(), ExecCloseScanRelation(), ExecFreeExprContext(), FreeExprContext(), index_close(), index_endscan(), InvalidBuffer, IndexOnlyScanState::ioss_RelationDesc, IndexOnlyScanState::ioss_RuntimeContext, IndexOnlyScanState::ioss_ScanDesc, IndexOnlyScanState::ioss_VMBuffer, NoLock, ScanState::ps, PlanState::ps_ResultTupleSlot, ReleaseBuffer(), IndexOnlyScanState::ss, ScanState::ss_currentRelation, and ScanState::ss_ScanTupleSlot.

Referenced by ExecEndNode().

388 {
389  Relation indexRelationDesc;
390  IndexScanDesc indexScanDesc;
391  Relation relation;
392 
393  /*
394  * extract information from the node
395  */
396  indexRelationDesc = node->ioss_RelationDesc;
397  indexScanDesc = node->ioss_ScanDesc;
398  relation = node->ss.ss_currentRelation;
399 
400  /* Release VM buffer pin, if any. */
401  if (node->ioss_VMBuffer != InvalidBuffer)
402  {
405  }
406 
407  /*
408  * Free the exprcontext(s) ... now dead code, see ExecFreeExprContext
409  */
410 #ifdef NOT_USED
411  ExecFreeExprContext(&node->ss.ps);
412  if (node->ioss_RuntimeContext)
414 #endif
415 
416  /*
417  * clear out tuple table slots
418  */
421 
422  /*
423  * close the index relation (no-op if we didn't open it)
424  */
425  if (indexScanDesc)
426  index_endscan(indexScanDesc);
427  if (indexRelationDesc)
428  index_close(indexRelationDesc, NoLock);
429 
430  /*
431  * close the heap relation.
432  */
433  ExecCloseScanRelation(relation);
434 }
TupleTableSlot * ExecClearTuple(TupleTableSlot *slot)
Definition: execTuples.c:439
#define InvalidBuffer
Definition: buf.h:25
TupleTableSlot * ss_ScanTupleSlot
Definition: execnodes.h:1101
void ReleaseBuffer(Buffer buffer)
Definition: bufmgr.c:3309
Relation ss_currentRelation
Definition: execnodes.h:1099
void ExecFreeExprContext(PlanState *planstate)
Definition: execUtils.c:521
PlanState ps
Definition: execnodes.h:1098
TupleTableSlot * ps_ResultTupleSlot
Definition: execnodes.h:880
ExprContext * ioss_RuntimeContext
Definition: execnodes.h:1237
#define NoLock
Definition: lockdefs.h:34
IndexScanDesc ioss_ScanDesc
Definition: execnodes.h:1239
void index_endscan(IndexScanDesc scan)
Definition: indexam.c:340
void FreeExprContext(ExprContext *econtext, bool isCommit)
Definition: execUtils.c:354
Relation ioss_RelationDesc
Definition: execnodes.h:1238
void ExecCloseScanRelation(Relation scanrel)
Definition: execUtils.c:666
void index_close(Relation relation, LOCKMODE lockmode)
Definition: indexam.c:176
void ExecIndexOnlyMarkPos ( IndexOnlyScanState node)

Definition at line 441 of file nodeIndexonlyscan.c.

References index_markpos(), and IndexOnlyScanState::ioss_ScanDesc.

Referenced by ExecMarkPos().

442 {
444 }
void index_markpos(IndexScanDesc scan)
Definition: indexam.c:370
IndexScanDesc ioss_ScanDesc
Definition: execnodes.h:1239
void ExecIndexOnlyRestrPos ( IndexOnlyScanState node)

Definition at line 451 of file nodeIndexonlyscan.c.

References index_restrpos(), and IndexOnlyScanState::ioss_ScanDesc.

Referenced by ExecRestrPos().

452 {
454 }
void index_restrpos(IndexScanDesc scan)
Definition: indexam.c:395
IndexScanDesc ioss_ScanDesc
Definition: execnodes.h:1239
void ExecIndexOnlyScanEstimate ( IndexOnlyScanState node,
ParallelContext pcxt 
)

Definition at line 625 of file nodeIndexonlyscan.c.

References EState::es_snapshot, ParallelContext::estimator, index_parallelscan_estimate(), IndexOnlyScanState::ioss_PscanLen, IndexOnlyScanState::ioss_RelationDesc, ScanState::ps, shm_toc_estimate_chunk, shm_toc_estimate_keys, IndexOnlyScanState::ss, and PlanState::state.

Referenced by ExecParallelEstimate().

627 {
628  EState *estate = node->ss.ps.state;
629 
631  estate->es_snapshot);
633  shm_toc_estimate_keys(&pcxt->estimator, 1);
634 }
shm_toc_estimator estimator
Definition: parallel.h:41
Snapshot es_snapshot
Definition: execnodes.h:429
EState * state
Definition: execnodes.h:849
#define shm_toc_estimate_chunk(e, sz)
Definition: shm_toc.h:51
Size index_parallelscan_estimate(Relation indexRelation, Snapshot snapshot)
Definition: indexam.c:417
PlanState ps
Definition: execnodes.h:1098
Relation ioss_RelationDesc
Definition: execnodes.h:1238
#define shm_toc_estimate_keys(e, cnt)
Definition: shm_toc.h:53
void ExecIndexOnlyScanInitializeDSM ( IndexOnlyScanState node,
ParallelContext pcxt 
)

Definition at line 643 of file nodeIndexonlyscan.c.

References EState::es_snapshot, index_beginscan_parallel(), index_parallelscan_initialize(), index_rescan(), InvalidBuffer, IndexOnlyScanState::ioss_NumOrderByKeys, IndexOnlyScanState::ioss_NumRuntimeKeys, IndexOnlyScanState::ioss_NumScanKeys, IndexOnlyScanState::ioss_OrderByKeys, IndexOnlyScanState::ioss_PscanLen, IndexOnlyScanState::ioss_RelationDesc, IndexOnlyScanState::ioss_RuntimeKeysReady, IndexOnlyScanState::ioss_ScanDesc, IndexOnlyScanState::ioss_ScanKeys, IndexOnlyScanState::ioss_VMBuffer, PlanState::plan, Plan::plan_node_id, ScanState::ps, shm_toc_allocate(), shm_toc_insert(), IndexOnlyScanState::ss, ScanState::ss_currentRelation, PlanState::state, ParallelContext::toc, and IndexScanDescData::xs_want_itup.

Referenced by ExecParallelInitializeDSM().

645 {
646  EState *estate = node->ss.ps.state;
647  ParallelIndexScanDesc piscan;
648 
649  piscan = shm_toc_allocate(pcxt->toc, node->ioss_PscanLen);
651  node->ioss_RelationDesc,
652  estate->es_snapshot,
653  piscan);
654  shm_toc_insert(pcxt->toc, node->ss.ps.plan->plan_node_id, piscan);
655  node->ioss_ScanDesc =
657  node->ioss_RelationDesc,
658  node->ioss_NumScanKeys,
659  node->ioss_NumOrderByKeys,
660  piscan);
661  node->ioss_ScanDesc->xs_want_itup = true;
663 
664  /*
665  * If no run-time keys to calculate or they are ready, go ahead and pass
666  * the scankeys to the index AM.
667  */
668  if (node->ioss_NumRuntimeKeys == 0 || node->ioss_RuntimeKeysReady)
670  node->ioss_ScanKeys, node->ioss_NumScanKeys,
672 }
bool ioss_RuntimeKeysReady
Definition: execnodes.h:1236
IndexScanDesc index_beginscan_parallel(Relation heaprel, Relation indexrel, int nkeys, int norderbys, ParallelIndexScanDesc pscan)
Definition: indexam.c:496
int plan_node_id
Definition: plannodes.h:143
#define InvalidBuffer
Definition: buf.h:25
void index_rescan(IndexScanDesc scan, ScanKey keys, int nkeys, ScanKey orderbys, int norderbys)
Definition: indexam.c:310
Snapshot es_snapshot
Definition: execnodes.h:429
Relation ss_currentRelation
Definition: execnodes.h:1099
EState * state
Definition: execnodes.h:849
PlanState ps
Definition: execnodes.h:1098
ScanKey ioss_ScanKeys
Definition: execnodes.h:1230
IndexScanDesc ioss_ScanDesc
Definition: execnodes.h:1239
ScanKey ioss_OrderByKeys
Definition: execnodes.h:1232
Plan * plan
Definition: execnodes.h:847
Relation ioss_RelationDesc
Definition: execnodes.h:1238
bool xs_want_itup
Definition: relscan.h:96
void * shm_toc_allocate(shm_toc *toc, Size nbytes)
Definition: shm_toc.c:88
void shm_toc_insert(shm_toc *toc, uint64 key, void *address)
Definition: shm_toc.c:171
void index_parallelscan_initialize(Relation heapRelation, Relation indexRelation, Snapshot snapshot, ParallelIndexScanDesc target)
Definition: indexam.c:450
shm_toc * toc
Definition: parallel.h:44
void ExecIndexOnlyScanInitializeWorker ( IndexOnlyScanState node,
shm_toc toc 
)

Definition at line 681 of file nodeIndexonlyscan.c.

References index_beginscan_parallel(), index_rescan(), IndexOnlyScanState::ioss_NumOrderByKeys, IndexOnlyScanState::ioss_NumRuntimeKeys, IndexOnlyScanState::ioss_NumScanKeys, IndexOnlyScanState::ioss_OrderByKeys, IndexOnlyScanState::ioss_RelationDesc, IndexOnlyScanState::ioss_RuntimeKeysReady, IndexOnlyScanState::ioss_ScanDesc, IndexOnlyScanState::ioss_ScanKeys, PlanState::plan, Plan::plan_node_id, ScanState::ps, shm_toc_lookup(), IndexOnlyScanState::ss, ScanState::ss_currentRelation, and IndexScanDescData::xs_want_itup.

Referenced by ExecParallelInitializeWorker().

682 {
683  ParallelIndexScanDesc piscan;
684 
685  piscan = shm_toc_lookup(toc, node->ss.ps.plan->plan_node_id, false);
686  node->ioss_ScanDesc =
688  node->ioss_RelationDesc,
689  node->ioss_NumScanKeys,
690  node->ioss_NumOrderByKeys,
691  piscan);
692  node->ioss_ScanDesc->xs_want_itup = true;
693 
694  /*
695  * If no run-time keys to calculate or they are ready, go ahead and pass
696  * the scankeys to the index AM.
697  */
698  if (node->ioss_NumRuntimeKeys == 0 || node->ioss_RuntimeKeysReady)
700  node->ioss_ScanKeys, node->ioss_NumScanKeys,
702 }
bool ioss_RuntimeKeysReady
Definition: execnodes.h:1236
IndexScanDesc index_beginscan_parallel(Relation heaprel, Relation indexrel, int nkeys, int norderbys, ParallelIndexScanDesc pscan)
Definition: indexam.c:496
int plan_node_id
Definition: plannodes.h:143
void index_rescan(IndexScanDesc scan, ScanKey keys, int nkeys, ScanKey orderbys, int norderbys)
Definition: indexam.c:310
Relation ss_currentRelation
Definition: execnodes.h:1099
PlanState ps
Definition: execnodes.h:1098
ScanKey ioss_ScanKeys
Definition: execnodes.h:1230
IndexScanDesc ioss_ScanDesc
Definition: execnodes.h:1239
ScanKey ioss_OrderByKeys
Definition: execnodes.h:1232
Plan * plan
Definition: execnodes.h:847
Relation ioss_RelationDesc
Definition: execnodes.h:1238
bool xs_want_itup
Definition: relscan.h:96
void * shm_toc_lookup(shm_toc *toc, uint64 key, bool noError)
Definition: shm_toc.c:232
IndexOnlyScanState* ExecInitIndexOnlyScan ( IndexOnlyScan node,
EState estate,
int  eflags 
)

Definition at line 468 of file nodeIndexonlyscan.c.

References AccessShareLock, EXEC_FLAG_EXPLAIN_ONLY, ExecAssignExprContext(), ExecAssignResultTypeFromTL(), ExecAssignScanProjectionInfoWithVarno(), ExecAssignScanType(), ExecIndexBuildScanKeys(), ExecIndexOnlyScan(), ExecInitQual(), ExecInitResultTupleSlot(), ExecInitScanTupleSlot(), ExecOpenScanRelation(), PlanState::ExecProcNode, ExecRelationIsTargetRelation(), ExecTypeFromTL(), index_open(), INDEX_VAR, IndexOnlyScan::indexid, IndexOnlyScan::indexorderby, IndexOnlyScan::indexqual, IndexOnlyScanState::indexqual, IndexOnlyScan::indextlist, IndexOnlyScanState::ioss_HeapFetches, IndexOnlyScanState::ioss_NumOrderByKeys, IndexOnlyScanState::ioss_NumRuntimeKeys, IndexOnlyScanState::ioss_NumScanKeys, IndexOnlyScanState::ioss_OrderByKeys, IndexOnlyScanState::ioss_RelationDesc, IndexOnlyScanState::ioss_RuntimeContext, IndexOnlyScanState::ioss_RuntimeKeys, IndexOnlyScanState::ioss_RuntimeKeysReady, IndexOnlyScanState::ioss_ScanKeys, makeNode, NoLock, NULL, Scan::plan, PlanState::plan, ScanState::ps, PlanState::ps_ExprContext, Plan::qual, PlanState::qual, IndexOnlyScan::scan, Scan::scanrelid, IndexOnlyScanState::ss, ScanState::ss_currentRelation, ScanState::ss_currentScanDesc, and PlanState::state.

Referenced by ExecInitNode().

469 {
470  IndexOnlyScanState *indexstate;
471  Relation currentRelation;
472  bool relistarget;
473  TupleDesc tupDesc;
474 
475  /*
476  * create state structure
477  */
478  indexstate = makeNode(IndexOnlyScanState);
479  indexstate->ss.ps.plan = (Plan *) node;
480  indexstate->ss.ps.state = estate;
481  indexstate->ss.ps.ExecProcNode = ExecIndexOnlyScan;
482  indexstate->ioss_HeapFetches = 0;
483 
484  /*
485  * Miscellaneous initialization
486  *
487  * create expression context for node
488  */
489  ExecAssignExprContext(estate, &indexstate->ss.ps);
490 
491  /*
492  * initialize child expressions
493  *
494  * Note: we don't initialize all of the indexorderby expression, only the
495  * sub-parts corresponding to runtime keys (see below).
496  */
497  indexstate->ss.ps.qual =
498  ExecInitQual(node->scan.plan.qual, (PlanState *) indexstate);
499  indexstate->indexqual =
500  ExecInitQual(node->indexqual, (PlanState *) indexstate);
501 
502  /*
503  * tuple table initialization
504  */
505  ExecInitResultTupleSlot(estate, &indexstate->ss.ps);
506  ExecInitScanTupleSlot(estate, &indexstate->ss);
507 
508  /*
509  * open the base relation and acquire appropriate lock on it.
510  */
511  currentRelation = ExecOpenScanRelation(estate, node->scan.scanrelid, eflags);
512 
513  indexstate->ss.ss_currentRelation = currentRelation;
514  indexstate->ss.ss_currentScanDesc = NULL; /* no heap scan here */
515 
516  /*
517  * Build the scan tuple type using the indextlist generated by the
518  * planner. We use this, rather than the index's physical tuple
519  * descriptor, because the latter contains storage column types not the
520  * types of the original datums. (It's the AM's responsibility to return
521  * suitable data anyway.)
522  */
523  tupDesc = ExecTypeFromTL(node->indextlist, false);
524  ExecAssignScanType(&indexstate->ss, tupDesc);
525 
526  /*
527  * Initialize result tuple type and projection info. The node's
528  * targetlist will contain Vars with varno = INDEX_VAR, referencing the
529  * scan tuple.
530  */
531  ExecAssignResultTypeFromTL(&indexstate->ss.ps);
533 
534  /*
535  * If we are just doing EXPLAIN (ie, aren't going to run the plan), stop
536  * here. This allows an index-advisor plugin to EXPLAIN a plan containing
537  * references to nonexistent indexes.
538  */
539  if (eflags & EXEC_FLAG_EXPLAIN_ONLY)
540  return indexstate;
541 
542  /*
543  * Open the index relation.
544  *
545  * If the parent table is one of the target relations of the query, then
546  * InitPlan already opened and write-locked the index, so we can avoid
547  * taking another lock here. Otherwise we need a normal reader's lock.
548  */
549  relistarget = ExecRelationIsTargetRelation(estate, node->scan.scanrelid);
550  indexstate->ioss_RelationDesc = index_open(node->indexid,
551  relistarget ? NoLock : AccessShareLock);
552 
553  /*
554  * Initialize index-specific scan state
555  */
556  indexstate->ioss_RuntimeKeysReady = false;
557  indexstate->ioss_RuntimeKeys = NULL;
558  indexstate->ioss_NumRuntimeKeys = 0;
559 
560  /*
561  * build the index scan keys from the index qualification
562  */
563  ExecIndexBuildScanKeys((PlanState *) indexstate,
564  indexstate->ioss_RelationDesc,
565  node->indexqual,
566  false,
567  &indexstate->ioss_ScanKeys,
568  &indexstate->ioss_NumScanKeys,
569  &indexstate->ioss_RuntimeKeys,
570  &indexstate->ioss_NumRuntimeKeys,
571  NULL, /* no ArrayKeys */
572  NULL);
573 
574  /*
575  * any ORDER BY exprs have to be turned into scankeys in the same way
576  */
577  ExecIndexBuildScanKeys((PlanState *) indexstate,
578  indexstate->ioss_RelationDesc,
579  node->indexorderby,
580  true,
581  &indexstate->ioss_OrderByKeys,
582  &indexstate->ioss_NumOrderByKeys,
583  &indexstate->ioss_RuntimeKeys,
584  &indexstate->ioss_NumRuntimeKeys,
585  NULL, /* no ArrayKeys */
586  NULL);
587 
588  /*
589  * If we have runtime keys, we need an ExprContext to evaluate them. The
590  * node's standard context won't do because we want to reset that context
591  * for every tuple. So, build another context just like the other one...
592  * -tgl 7/11/00
593  */
594  if (indexstate->ioss_NumRuntimeKeys != 0)
595  {
596  ExprContext *stdecontext = indexstate->ss.ps.ps_ExprContext;
597 
598  ExecAssignExprContext(estate, &indexstate->ss.ps);
599  indexstate->ioss_RuntimeContext = indexstate->ss.ps.ps_ExprContext;
600  indexstate->ss.ps.ps_ExprContext = stdecontext;
601  }
602  else
603  {
604  indexstate->ioss_RuntimeContext = NULL;
605  }
606 
607  /*
608  * all done.
609  */
610  return indexstate;
611 }
bool ioss_RuntimeKeysReady
Definition: execnodes.h:1236
List * qual
Definition: plannodes.h:145
Plan plan
Definition: plannodes.h:328
void ExecInitScanTupleSlot(EState *estate, ScanState *scanstate)
Definition: execTuples.c:842
Index scanrelid
Definition: plannodes.h:329
ExprContext * ps_ExprContext
Definition: execnodes.h:881
#define AccessShareLock
Definition: lockdefs.h:36
IndexRuntimeKeyInfo * ioss_RuntimeKeys
Definition: execnodes.h:1234
Relation ss_currentRelation
Definition: execnodes.h:1099
EState * state
Definition: execnodes.h:849
ExprState * ExecInitQual(List *qual, PlanState *parent)
Definition: execExpr.c:160
void ExecAssignResultTypeFromTL(PlanState *planstate)
Definition: execUtils.c:445
void ExecAssignScanProjectionInfoWithVarno(ScanState *node, Index varno)
Definition: execScan.c:247
PlanState ps
Definition: execnodes.h:1098
ScanKey ioss_ScanKeys
Definition: execnodes.h:1230
void ExecInitResultTupleSlot(EState *estate, PlanState *planstate)
Definition: execTuples.c:832
Relation ExecOpenScanRelation(EState *estate, Index scanrelid, int eflags)
Definition: execUtils.c:608
ExprContext * ioss_RuntimeContext
Definition: execnodes.h:1237
#define NoLock
Definition: lockdefs.h:34
ScanKey ioss_OrderByKeys
Definition: execnodes.h:1232
TupleDesc ExecTypeFromTL(List *targetList, bool hasoid)
Definition: execTuples.c:888
ExecProcNodeMtd ExecProcNode
Definition: execnodes.h:853
Plan * plan
Definition: execnodes.h:847
Relation ioss_RelationDesc
Definition: execnodes.h:1238
List * indextlist
Definition: plannodes.h:421
List * indexorderby
Definition: plannodes.h:420
#define makeNode(_type_)
Definition: nodes.h:557
#define NULL
Definition: c.h:229
static TupleTableSlot * ExecIndexOnlyScan(PlanState *pstate)
void ExecAssignExprContext(EState *estate, PlanState *planstate)
Definition: execUtils.c:423
void ExecIndexBuildScanKeys(PlanState *planstate, Relation index, List *quals, bool isorderby, ScanKey *scanKeys, int *numScanKeys, IndexRuntimeKeyInfo **runtimeKeys, int *numRuntimeKeys, IndexArrayKeyInfo **arrayKeys, int *numArrayKeys)
List * indexqual
Definition: plannodes.h:419
ExprState * indexqual
Definition: execnodes.h:1229
ExprState * qual
Definition: execnodes.h:865
HeapScanDesc ss_currentScanDesc
Definition: execnodes.h:1100
void ExecAssignScanType(ScanState *scanstate, TupleDesc tupDesc)
Definition: execUtils.c:545
#define INDEX_VAR
Definition: primnodes.h:155
#define EXEC_FLAG_EXPLAIN_ONLY
Definition: executor.h:58
Relation index_open(Oid relationId, LOCKMODE lockmode)
Definition: indexam.c:151
bool ExecRelationIsTargetRelation(EState *estate, Index scanrelid)
Definition: execUtils.c:582
void ExecReScanIndexOnlyScan ( IndexOnlyScanState node)

Definition at line 337 of file nodeIndexonlyscan.c.

References ExecIndexEvalRuntimeKeys(), ExecScanReScan(), index_parallelrescan(), index_rescan(), IndexOnlyScanState::ioss_NumOrderByKeys, IndexOnlyScanState::ioss_NumRuntimeKeys, IndexOnlyScanState::ioss_NumScanKeys, IndexOnlyScanState::ioss_OrderByKeys, IndexOnlyScanState::ioss_RuntimeContext, IndexOnlyScanState::ioss_RuntimeKeys, IndexOnlyScanState::ioss_RuntimeKeysReady, IndexOnlyScanState::ioss_ScanDesc, IndexOnlyScanState::ioss_ScanKeys, IndexScanDescData::parallel_scan, ResetExprContext, and IndexOnlyScanState::ss.

Referenced by ExecReScan().

338 {
339  bool reset_parallel_scan = true;
340 
341  /*
342  * If we are here to just update the scan keys, then don't reset parallel
343  * scan. For detailed reason behind this look in the comments for
344  * ExecReScanIndexScan.
345  */
346  if (node->ioss_NumRuntimeKeys != 0 && !node->ioss_RuntimeKeysReady)
347  reset_parallel_scan = false;
348 
349  /*
350  * If we are doing runtime key calculations (ie, any of the index key
351  * values weren't simple Consts), compute the new key values. But first,
352  * reset the context so we don't leak memory as each outer tuple is
353  * scanned. Note this assumes that we will recalculate *all* runtime keys
354  * on each call.
355  */
356  if (node->ioss_NumRuntimeKeys != 0)
357  {
358  ExprContext *econtext = node->ioss_RuntimeContext;
359 
360  ResetExprContext(econtext);
361  ExecIndexEvalRuntimeKeys(econtext,
362  node->ioss_RuntimeKeys,
363  node->ioss_NumRuntimeKeys);
364  }
365  node->ioss_RuntimeKeysReady = true;
366 
367  /* reset index scan */
368  if (node->ioss_ScanDesc)
369  {
370 
372  node->ioss_ScanKeys, node->ioss_NumScanKeys,
374 
375  if (reset_parallel_scan && node->ioss_ScanDesc->parallel_scan)
377  }
378  ExecScanReScan(&node->ss);
379 }
bool ioss_RuntimeKeysReady
Definition: execnodes.h:1236
ParallelIndexScanDesc parallel_scan
Definition: relscan.h:140
void index_rescan(IndexScanDesc scan, ScanKey keys, int nkeys, ScanKey orderbys, int norderbys)
Definition: indexam.c:310
IndexRuntimeKeyInfo * ioss_RuntimeKeys
Definition: execnodes.h:1234
void index_parallelrescan(IndexScanDesc scan)
Definition: indexam.c:481
ScanKey ioss_ScanKeys
Definition: execnodes.h:1230
ExprContext * ioss_RuntimeContext
Definition: execnodes.h:1237
IndexScanDesc ioss_ScanDesc
Definition: execnodes.h:1239
ScanKey ioss_OrderByKeys
Definition: execnodes.h:1232
void ExecIndexEvalRuntimeKeys(ExprContext *econtext, IndexRuntimeKeyInfo *runtimeKeys, int numRuntimeKeys)
void ExecScanReScan(ScanState *node)
Definition: execScan.c:327
#define ResetExprContext(econtext)
Definition: executor.h:469