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executor.h
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1 /*-------------------------------------------------------------------------
2  *
3  * executor.h
4  * support for the POSTGRES executor module
5  *
6  *
7  * Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group
8  * Portions Copyright (c) 1994, Regents of the University of California
9  *
10  * src/include/executor/executor.h
11  *
12  *-------------------------------------------------------------------------
13  */
14 #ifndef EXECUTOR_H
15 #define EXECUTOR_H
16 
17 #include "executor/execdesc.h"
18 #include "nodes/parsenodes.h"
19 #include "utils/memutils.h"
20 
21 
22 /*
23  * The "eflags" argument to ExecutorStart and the various ExecInitNode
24  * routines is a bitwise OR of the following flag bits, which tell the
25  * called plan node what to expect. Note that the flags will get modified
26  * as they are passed down the plan tree, since an upper node may require
27  * functionality in its subnode not demanded of the plan as a whole
28  * (example: MergeJoin requires mark/restore capability in its inner input),
29  * or an upper node may shield its input from some functionality requirement
30  * (example: Materialize shields its input from needing to do backward scan).
31  *
32  * EXPLAIN_ONLY indicates that the plan tree is being initialized just so
33  * EXPLAIN can print it out; it will not be run. Hence, no side-effects
34  * of startup should occur. However, error checks (such as permission checks)
35  * should be performed.
36  *
37  * REWIND indicates that the plan node should try to efficiently support
38  * rescans without parameter changes. (Nodes must support ExecReScan calls
39  * in any case, but if this flag was not given, they are at liberty to do it
40  * through complete recalculation. Note that a parameter change forces a
41  * full recalculation in any case.)
42  *
43  * BACKWARD indicates that the plan node must respect the es_direction flag.
44  * When this is not passed, the plan node will only be run forwards.
45  *
46  * MARK indicates that the plan node must support Mark/Restore calls.
47  * When this is not passed, no Mark/Restore will occur.
48  *
49  * SKIP_TRIGGERS tells ExecutorStart/ExecutorFinish to skip calling
50  * AfterTriggerBeginQuery/AfterTriggerEndQuery. This does not necessarily
51  * mean that the plan can't queue any AFTER triggers; just that the caller
52  * is responsible for there being a trigger context for them to be queued in.
53  *
54  * WITH/WITHOUT_OIDS tell the executor to emit tuples with or without space
55  * for OIDs, respectively. These are currently used only for CREATE TABLE AS.
56  * If neither is set, the plan may or may not produce tuples including OIDs.
57  */
58 #define EXEC_FLAG_EXPLAIN_ONLY 0x0001 /* EXPLAIN, no ANALYZE */
59 #define EXEC_FLAG_REWIND 0x0002 /* need efficient rescan */
60 #define EXEC_FLAG_BACKWARD 0x0004 /* need backward scan */
61 #define EXEC_FLAG_MARK 0x0008 /* need mark/restore */
62 #define EXEC_FLAG_SKIP_TRIGGERS 0x0010 /* skip AfterTrigger calls */
63 #define EXEC_FLAG_WITH_OIDS 0x0020 /* force OIDs in returned tuples */
64 #define EXEC_FLAG_WITHOUT_OIDS 0x0040 /* force no OIDs in returned tuples */
65 #define EXEC_FLAG_WITH_NO_DATA 0x0080 /* rel scannability doesn't matter */
66 
67 
68 /* Hook for plugins to get control in ExecutorStart() */
69 typedef void (*ExecutorStart_hook_type) (QueryDesc *queryDesc, int eflags);
71 
72 /* Hook for plugins to get control in ExecutorRun() */
73 typedef void (*ExecutorRun_hook_type) (QueryDesc *queryDesc,
74  ScanDirection direction,
75  uint64 count,
76  bool execute_once);
78 
79 /* Hook for plugins to get control in ExecutorFinish() */
80 typedef void (*ExecutorFinish_hook_type) (QueryDesc *queryDesc);
82 
83 /* Hook for plugins to get control in ExecutorEnd() */
84 typedef void (*ExecutorEnd_hook_type) (QueryDesc *queryDesc);
86 
87 /* Hook for plugins to get control in ExecCheckRTPerms() */
90 
91 
92 /*
93  * prototypes from functions in execAmi.c
94  */
95 struct Path; /* avoid including relation.h here */
96 
97 extern void ExecReScan(PlanState *node);
98 extern void ExecMarkPos(PlanState *node);
99 extern void ExecRestrPos(PlanState *node);
100 extern bool ExecSupportsMarkRestore(struct Path *pathnode);
101 extern bool ExecSupportsBackwardScan(Plan *node);
102 extern bool ExecMaterializesOutput(NodeTag plantype);
103 
104 /*
105  * prototypes from functions in execCurrent.c
106  */
107 extern bool execCurrentOf(CurrentOfExpr *cexpr,
108  ExprContext *econtext,
109  Oid table_oid,
110  ItemPointer current_tid);
111 
112 /*
113  * prototypes from functions in execGrouping.c
114  */
116  int numCols,
117  AttrNumber *keyColIdx,
118  Oid *eqOperators,
119  PlanState *parent);
120 extern void execTuplesHashPrepare(int numCols,
121  Oid *eqOperators,
122  Oid **eqFuncOids,
123  FmgrInfo **hashFunctions);
125  TupleDesc inputDesc,
126  int numCols, AttrNumber *keyColIdx,
127  Oid *eqfuncoids,
128  FmgrInfo *hashfunctions,
129  long nbuckets, Size additionalsize,
130  MemoryContext tablecxt,
131  MemoryContext tempcxt, bool use_variable_hash_iv);
133  TupleTableSlot *slot,
134  bool *isnew);
136  TupleTableSlot *slot,
137  ExprState *eqcomp,
138  FmgrInfo *hashfunctions);
139 
140 /*
141  * prototypes from functions in execJunk.c
142  */
143 extern JunkFilter *ExecInitJunkFilter(List *targetList, bool hasoid,
144  TupleTableSlot *slot);
145 extern JunkFilter *ExecInitJunkFilterConversion(List *targetList,
146  TupleDesc cleanTupType,
147  TupleTableSlot *slot);
148 extern AttrNumber ExecFindJunkAttribute(JunkFilter *junkfilter,
149  const char *attrName);
150 extern AttrNumber ExecFindJunkAttributeInTlist(List *targetlist,
151  const char *attrName);
153  bool *isNull);
154 extern TupleTableSlot *ExecFilterJunk(JunkFilter *junkfilter,
155  TupleTableSlot *slot);
156 
157 
158 /*
159  * prototypes from functions in execMain.c
160  */
161 extern void ExecutorStart(QueryDesc *queryDesc, int eflags);
162 extern void standard_ExecutorStart(QueryDesc *queryDesc, int eflags);
163 extern void ExecutorRun(QueryDesc *queryDesc,
164  ScanDirection direction, uint64 count, bool execute_once);
165 extern void standard_ExecutorRun(QueryDesc *queryDesc,
166  ScanDirection direction, uint64 count, bool execute_once);
167 extern void ExecutorFinish(QueryDesc *queryDesc);
168 extern void standard_ExecutorFinish(QueryDesc *queryDesc);
169 extern void ExecutorEnd(QueryDesc *queryDesc);
170 extern void standard_ExecutorEnd(QueryDesc *queryDesc);
171 extern void ExecutorRewind(QueryDesc *queryDesc);
172 extern bool ExecCheckRTPerms(List *rangeTable, bool ereport_on_violation);
173 extern void CheckValidResultRel(ResultRelInfo *resultRelInfo, CmdType operation);
174 extern void InitResultRelInfo(ResultRelInfo *resultRelInfo,
175  Relation resultRelationDesc,
176  Index resultRelationIndex,
177  Relation partition_root,
178  int instrument_options);
179 extern ResultRelInfo *ExecGetTriggerResultRel(EState *estate, Oid relid);
180 extern void ExecCleanUpTriggerState(EState *estate);
181 extern bool ExecContextForcesOids(PlanState *planstate, bool *hasoids);
182 extern void ExecConstraints(ResultRelInfo *resultRelInfo,
183  TupleTableSlot *slot, EState *estate);
184 extern bool ExecPartitionCheck(ResultRelInfo *resultRelInfo,
185  TupleTableSlot *slot, EState *estate, bool emitError);
186 extern void ExecPartitionCheckEmitError(ResultRelInfo *resultRelInfo,
187  TupleTableSlot *slot, EState *estate);
188 extern void ExecWithCheckOptions(WCOKind kind, ResultRelInfo *resultRelInfo,
189  TupleTableSlot *slot, EState *estate);
190 extern LockTupleMode ExecUpdateLockMode(EState *estate, ResultRelInfo *relinfo);
191 extern ExecRowMark *ExecFindRowMark(EState *estate, Index rti, bool missing_ok);
192 extern ExecAuxRowMark *ExecBuildAuxRowMark(ExecRowMark *erm, List *targetlist);
193 extern TupleTableSlot *EvalPlanQual(EState *estate, EPQState *epqstate,
194  Relation relation, Index rti, int lockmode,
195  ItemPointer tid, TransactionId priorXmax);
196 extern HeapTuple EvalPlanQualFetch(EState *estate, Relation relation,
197  int lockmode, LockWaitPolicy wait_policy, ItemPointer tid,
198  TransactionId priorXmax);
199 extern void EvalPlanQualInit(EPQState *epqstate, EState *estate,
200  Plan *subplan, List *auxrowmarks, int epqParam);
201 extern void EvalPlanQualSetPlan(EPQState *epqstate,
202  Plan *subplan, List *auxrowmarks);
203 extern void EvalPlanQualSetTuple(EPQState *epqstate, Index rti,
204  HeapTuple tuple);
205 extern HeapTuple EvalPlanQualGetTuple(EPQState *epqstate, Index rti);
206 
207 #define EvalPlanQualSetSlot(epqstate, slot) ((epqstate)->origslot = (slot))
208 extern void EvalPlanQualFetchRowMarks(EPQState *epqstate);
209 extern TupleTableSlot *EvalPlanQualNext(EPQState *epqstate);
210 extern void EvalPlanQualBegin(EPQState *epqstate, EState *parentestate);
211 extern void EvalPlanQualEnd(EPQState *epqstate);
212 
213 /*
214  * functions in execProcnode.c
215  */
216 extern PlanState *ExecInitNode(Plan *node, EState *estate, int eflags);
217 extern void ExecSetExecProcNode(PlanState *node, ExecProcNodeMtd function);
218 extern Node *MultiExecProcNode(PlanState *node);
219 extern void ExecEndNode(PlanState *node);
220 extern bool ExecShutdownNode(PlanState *node);
221 extern void ExecSetTupleBound(int64 tuples_needed, PlanState *child_node);
222 
223 
224 /* ----------------------------------------------------------------
225  * ExecProcNode
226  *
227  * Execute the given node to return a(nother) tuple.
228  * ----------------------------------------------------------------
229  */
230 #ifndef FRONTEND
231 static inline TupleTableSlot *
233 {
234  if (node->chgParam != NULL) /* something changed? */
235  ExecReScan(node); /* let ReScan handle this */
236 
237  return node->ExecProcNode(node);
238 }
239 #endif
240 
241 /*
242  * prototypes from functions in execExpr.c
243  */
244 extern ExprState *ExecInitExpr(Expr *node, PlanState *parent);
245 extern ExprState *ExecInitExprWithParams(Expr *node, ParamListInfo ext_params);
246 extern ExprState *ExecInitQual(List *qual, PlanState *parent);
247 extern ExprState *ExecInitCheck(List *qual, PlanState *parent);
248 extern List *ExecInitExprList(List *nodes, PlanState *parent);
249 extern ExprState *ExecBuildAggTrans(AggState *aggstate, struct AggStatePerPhaseData *phase,
250  bool doSort, bool doHash);
252  int numCols,
253  AttrNumber *keyColIdx,
254  Oid *eqfunctions,
255  PlanState *parent);
256 extern ProjectionInfo *ExecBuildProjectionInfo(List *targetList,
257  ExprContext *econtext,
258  TupleTableSlot *slot,
259  PlanState *parent,
260  TupleDesc inputDesc);
261 extern ExprState *ExecPrepareExpr(Expr *node, EState *estate);
262 extern ExprState *ExecPrepareQual(List *qual, EState *estate);
263 extern ExprState *ExecPrepareCheck(List *qual, EState *estate);
264 extern List *ExecPrepareExprList(List *nodes, EState *estate);
265 
266 /*
267  * ExecEvalExpr
268  *
269  * Evaluate expression identified by "state" in the execution context
270  * given by "econtext". *isNull is set to the is-null flag for the result,
271  * and the Datum value is the function result.
272  *
273  * The caller should already have switched into the temporary memory
274  * context econtext->ecxt_per_tuple_memory. The convenience entry point
275  * ExecEvalExprSwitchContext() is provided for callers who don't prefer to
276  * do the switch in an outer loop.
277  */
278 #ifndef FRONTEND
279 static inline Datum
281  ExprContext *econtext,
282  bool *isNull)
283 {
284  return state->evalfunc(state, econtext, isNull);
285 }
286 #endif
287 
288 /*
289  * ExecEvalExprSwitchContext
290  *
291  * Same as ExecEvalExpr, but get into the right allocation context explicitly.
292  */
293 #ifndef FRONTEND
294 static inline Datum
296  ExprContext *econtext,
297  bool *isNull)
298 {
299  Datum retDatum;
300  MemoryContext oldContext;
301 
302  oldContext = MemoryContextSwitchTo(econtext->ecxt_per_tuple_memory);
303  retDatum = state->evalfunc(state, econtext, isNull);
304  MemoryContextSwitchTo(oldContext);
305  return retDatum;
306 }
307 #endif
308 
309 /*
310  * ExecProject
311  *
312  * Projects a tuple based on projection info and stores it in the slot passed
313  * to ExecBuildProjectInfo().
314  *
315  * Note: the result is always a virtual tuple; therefore it may reference
316  * the contents of the exprContext's scan tuples and/or temporary results
317  * constructed in the exprContext. If the caller wishes the result to be
318  * valid longer than that data will be valid, he must call ExecMaterializeSlot
319  * on the result slot.
320  */
321 #ifndef FRONTEND
322 static inline TupleTableSlot *
324 {
325  ExprContext *econtext = projInfo->pi_exprContext;
326  ExprState *state = &projInfo->pi_state;
327  TupleTableSlot *slot = state->resultslot;
328  bool isnull;
329 
330  /*
331  * Clear any former contents of the result slot. This makes it safe for
332  * us to use the slot's Datum/isnull arrays as workspace.
333  */
334  ExecClearTuple(slot);
335 
336  /* Run the expression, discarding scalar result from the last column. */
337  (void) ExecEvalExprSwitchContext(state, econtext, &isnull);
338 
339  /*
340  * Successfully formed a result row. Mark the result slot as containing a
341  * valid virtual tuple (inlined version of ExecStoreVirtualTuple()).
342  */
343  slot->tts_isempty = false;
344  slot->tts_nvalid = slot->tts_tupleDescriptor->natts;
345 
346  return slot;
347 }
348 #endif
349 
350 /*
351  * ExecQual - evaluate a qual prepared with ExecInitQual (possibly via
352  * ExecPrepareQual). Returns true if qual is satisfied, else false.
353  *
354  * Note: ExecQual used to have a third argument "resultForNull". The
355  * behavior of this function now corresponds to resultForNull == false.
356  * If you want the resultForNull == true behavior, see ExecCheck.
357  */
358 #ifndef FRONTEND
359 static inline bool
361 {
362  Datum ret;
363  bool isnull;
364 
365  /* short-circuit (here and in ExecInitQual) for empty restriction list */
366  if (state == NULL)
367  return true;
368 
369  /* verify that expression was compiled using ExecInitQual */
370  Assert(state->flags & EEO_FLAG_IS_QUAL);
371 
372  ret = ExecEvalExprSwitchContext(state, econtext, &isnull);
373 
374  /* EEOP_QUAL should never return NULL */
375  Assert(!isnull);
376 
377  return DatumGetBool(ret);
378 }
379 #endif
380 
381 /*
382  * ExecQualAndReset() - evaluate qual with ExecQual() and reset expression
383  * context.
384  */
385 #ifndef FRONTEND
386 static inline bool
388 {
389  bool ret = ExecQual(state, econtext);
390 
391  /* inline ResetExprContext, to avoid ordering issue in this file */
393  return ret;
394 }
395 #endif
396 
397 extern bool ExecCheck(ExprState *state, ExprContext *context);
398 
399 /*
400  * prototypes from functions in execSRF.c
401  */
403  ExprContext *econtext, PlanState *parent);
405  ExprContext *econtext,
406  MemoryContext argContext,
407  TupleDesc expectedDesc,
408  bool randomAccess);
410  ExprContext *econtext, PlanState *parent);
412  ExprContext *econtext,
413  MemoryContext argContext,
414  bool *isNull,
415  ExprDoneCond *isDone);
416 
417 /*
418  * prototypes from functions in execScan.c
419  */
420 typedef TupleTableSlot *(*ExecScanAccessMtd) (ScanState *node);
422 
423 extern TupleTableSlot *ExecScan(ScanState *node, ExecScanAccessMtd accessMtd,
424  ExecScanRecheckMtd recheckMtd);
425 extern void ExecAssignScanProjectionInfo(ScanState *node);
426 extern void ExecAssignScanProjectionInfoWithVarno(ScanState *node, Index varno);
427 extern void ExecScanReScan(ScanState *node);
428 
429 /*
430  * prototypes from functions in execTuples.c
431  */
432 extern void ExecInitResultTupleSlotTL(EState *estate, PlanState *planstate);
433 extern void ExecInitScanTupleSlot(EState *estate, ScanState *scanstate, TupleDesc tupleDesc);
437  TupleDesc tupType);
438 extern TupleDesc ExecTypeFromTL(List *targetList, bool hasoid);
439 extern TupleDesc ExecCleanTypeFromTL(List *targetList, bool hasoid);
440 extern TupleDesc ExecTypeFromExprList(List *exprList);
441 extern void ExecTypeSetColNames(TupleDesc typeInfo, List *namesList);
442 extern void UpdateChangedParamSet(PlanState *node, Bitmapset *newchg);
443 
444 typedef struct TupOutputState
445 {
449 
451  TupleDesc tupdesc);
452 extern void do_tup_output(TupOutputState *tstate, Datum *values, bool *isnull);
453 extern void do_text_output_multiline(TupOutputState *tstate, const char *txt);
454 extern void end_tup_output(TupOutputState *tstate);
455 
456 /*
457  * Write a single line of text given as a C string.
458  *
459  * Should only be used with a single-TEXT-attribute tupdesc.
460  */
461 #define do_text_output_oneline(tstate, str_to_emit) \
462  do { \
463  Datum values_[1]; \
464  bool isnull_[1]; \
465  values_[0] = PointerGetDatum(cstring_to_text(str_to_emit)); \
466  isnull_[0] = false; \
467  do_tup_output(tstate, values_, isnull_); \
468  pfree(DatumGetPointer(values_[0])); \
469  } while (0)
470 
471 
472 /*
473  * prototypes from functions in execUtils.c
474  */
475 extern EState *CreateExecutorState(void);
476 extern void FreeExecutorState(EState *estate);
477 extern ExprContext *CreateExprContext(EState *estate);
479 extern void FreeExprContext(ExprContext *econtext, bool isCommit);
480 extern void ReScanExprContext(ExprContext *econtext);
481 
482 #define ResetExprContext(econtext) \
483  MemoryContextReset((econtext)->ecxt_per_tuple_memory)
484 
486 
487 /* Get an EState's per-output-tuple exprcontext, making it if first use */
488 #define GetPerTupleExprContext(estate) \
489  ((estate)->es_per_tuple_exprcontext ? \
490  (estate)->es_per_tuple_exprcontext : \
491  MakePerTupleExprContext(estate))
492 
493 #define GetPerTupleMemoryContext(estate) \
494  (GetPerTupleExprContext(estate)->ecxt_per_tuple_memory)
495 
496 /* Reset an EState's per-output-tuple exprcontext, if one's been created */
497 #define ResetPerTupleExprContext(estate) \
498  do { \
499  if ((estate)->es_per_tuple_exprcontext) \
500  ResetExprContext((estate)->es_per_tuple_exprcontext); \
501  } while (0)
502 
503 extern void ExecAssignExprContext(EState *estate, PlanState *planstate);
504 extern TupleDesc ExecGetResultType(PlanState *planstate);
505 extern void ExecAssignProjectionInfo(PlanState *planstate,
506  TupleDesc inputDesc);
507 extern void ExecConditionalAssignProjectionInfo(PlanState *planstate,
508  TupleDesc inputDesc, Index varno);
509 extern void ExecFreeExprContext(PlanState *planstate);
510 extern void ExecAssignScanType(ScanState *scanstate, TupleDesc tupDesc);
511 extern void ExecCreateScanSlotFromOuterPlan(EState *estate, ScanState *scanstate);
512 
513 extern bool ExecRelationIsTargetRelation(EState *estate, Index scanrelid);
514 
515 extern Relation ExecOpenScanRelation(EState *estate, Index scanrelid, int eflags);
516 extern void ExecCloseScanRelation(Relation scanrel);
517 
518 extern int executor_errposition(EState *estate, int location);
519 
520 extern void RegisterExprContextCallback(ExprContext *econtext,
522  Datum arg);
523 extern void UnregisterExprContextCallback(ExprContext *econtext,
525  Datum arg);
526 
527 extern void ExecLockNonLeafAppendTables(List *partitioned_rels, EState *estate);
528 
529 extern Datum GetAttributeByName(HeapTupleHeader tuple, const char *attname,
530  bool *isNull);
532  bool *isNull);
533 
534 extern int ExecTargetListLength(List *targetlist);
535 extern int ExecCleanTargetListLength(List *targetlist);
536 
537 /*
538  * prototypes from functions in execIndexing.c
539  */
540 extern void ExecOpenIndices(ResultRelInfo *resultRelInfo, bool speculative);
541 extern void ExecCloseIndices(ResultRelInfo *resultRelInfo);
543  EState *estate, bool noDupErr, bool *specConflict,
544  List *arbiterIndexes);
545 extern bool ExecCheckIndexConstraints(TupleTableSlot *slot, EState *estate,
546  ItemPointer conflictTid, List *arbiterIndexes);
548  IndexInfo *indexInfo,
549  ItemPointer tupleid,
550  Datum *values, bool *isnull,
551  EState *estate, bool newIndex);
552 
553 /*
554  * prototypes from functions in execReplication.c
555  */
556 extern bool RelationFindReplTupleByIndex(Relation rel, Oid idxoid,
557  LockTupleMode lockmode,
558  TupleTableSlot *searchslot,
559  TupleTableSlot *outslot);
560 extern bool RelationFindReplTupleSeq(Relation rel, LockTupleMode lockmode,
561  TupleTableSlot *searchslot, TupleTableSlot *outslot);
562 
563 extern void ExecSimpleRelationInsert(EState *estate, TupleTableSlot *slot);
564 extern void ExecSimpleRelationUpdate(EState *estate, EPQState *epqstate,
565  TupleTableSlot *searchslot, TupleTableSlot *slot);
566 extern void ExecSimpleRelationDelete(EState *estate, EPQState *epqstate,
567  TupleTableSlot *searchslot);
568 extern void CheckCmdReplicaIdentity(Relation rel, CmdType cmd);
569 
570 extern void CheckSubscriptionRelkind(char relkind, const char *nspname,
571  const char *relname);
572 
573 #endif /* EXECUTOR_H */
bool ExecRelationIsTargetRelation(EState *estate, Index scanrelid)
Definition: execUtils.c:617
Relation ExecOpenScanRelation(EState *estate, Index scanrelid, int eflags)
Definition: execUtils.c:643
TupleDesc ExecGetResultType(PlanState *planstate)
Definition: execUtils.c:438
LockTupleMode ExecUpdateLockMode(EState *estate, ResultRelInfo *relinfo)
Definition: execMain.c:2383
void(* ExecutorRun_hook_type)(QueryDesc *queryDesc, ScanDirection direction, uint64 count, bool execute_once)
Definition: executor.h:73
Definition: fmgr.h:56
bool ExecCheckIndexConstraints(TupleTableSlot *slot, EState *estate, ItemPointer conflictTid, List *arbiterIndexes)
Definition: execIndexing.c:475
void ExecWithCheckOptions(WCOKind kind, ResultRelInfo *resultRelInfo, TupleTableSlot *slot, EState *estate)
Definition: execMain.c:2099
ProjectionInfo * ExecBuildProjectionInfo(List *targetList, ExprContext *econtext, TupleTableSlot *slot, PlanState *parent, TupleDesc inputDesc)
Definition: execExpr.c:349
bool ExecSupportsBackwardScan(Plan *node)
Definition: execAmi.c:462
bool tts_isempty
Definition: tuptable.h:116
ResultRelInfo * ExecGetTriggerResultRel(EState *estate, Oid relid)
Definition: execMain.c:1392
ExprContext * CreateExprContext(EState *estate)
Definition: execUtils.c:228
static Datum ExecEvalExprSwitchContext(ExprState *state, ExprContext *econtext, bool *isNull)
Definition: executor.h:295
TupOutputState * begin_tup_output_tupdesc(DestReceiver *dest, TupleDesc tupdesc)
Definition: execTuples.c:1315
ExprState * ExecBuildGroupingEqual(TupleDesc ldesc, TupleDesc rdesc, int numCols, AttrNumber *keyColIdx, Oid *eqfunctions, PlanState *parent)
Definition: execExpr.c:3216
ExecRowMark * ExecFindRowMark(EState *estate, Index rti, bool missing_ok)
Definition: execMain.c:2409
ExprState * ExecInitQual(List *qual, PlanState *parent)
Definition: execExpr.c:205
void CheckSubscriptionRelkind(char relkind, const char *nspname, const char *relname)
ExecAuxRowMark * ExecBuildAuxRowMark(ExecRowMark *erm, List *targetlist)
Definition: execMain.c:2433
void ExecInitResultTupleSlotTL(EState *estate, PlanState *planstate)
Definition: execTuples.c:890
ExprState * ExecInitExprWithParams(Expr *node, ParamListInfo ext_params)
Definition: execExpr.c:156
uint32 TransactionId
Definition: c.h:474
void ExecScanReScan(ScanState *node)
Definition: execScan.c:262
void ExecConditionalAssignProjectionInfo(PlanState *planstate, TupleDesc inputDesc, Index varno)
Definition: execUtils.c:476
AttrNumber ExecFindJunkAttribute(JunkFilter *junkfilter, const char *attrName)
Definition: execJunk.c:209
void standard_ExecutorRun(QueryDesc *queryDesc, ScanDirection direction, uint64 count, bool execute_once)
Definition: execMain.c:310
Datum GetAttributeByNum(HeapTupleHeader tuple, AttrNumber attrno, bool *isNull)
Definition: execUtils.c:988
MemoryContext ecxt_per_tuple_memory
Definition: execnodes.h:226
void UnregisterExprContextCallback(ExprContext *econtext, ExprContextCallbackFunction function, Datum arg)
Definition: execUtils.c:798
TupleTableSlot * ExecClearTuple(TupleTableSlot *slot)
Definition: execTuples.c:475
void standard_ExecutorFinish(QueryDesc *queryDesc)
Definition: execMain.c:410
void ExecCloseIndices(ResultRelInfo *resultRelInfo)
Definition: execIndexing.c:224
static MemoryContext MemoryContextSwitchTo(MemoryContext context)
Definition: palloc.h:109
TupleHashEntry FindTupleHashEntry(TupleHashTable hashtable, TupleTableSlot *slot, ExprState *eqcomp, FmgrInfo *hashfunctions)
Definition: execGrouping.c:291
Node * MultiExecProcNode(PlanState *node)
Definition: execProcnode.c:483
Definition: nodes.h:516
int ExecCleanTargetListLength(List *targetlist)
Definition: execUtils.c:1049
ExprState * execTuplesMatchPrepare(TupleDesc desc, int numCols, AttrNumber *keyColIdx, Oid *eqOperators, PlanState *parent)
Definition: execGrouping.c:60
TupleDesc ExecCleanTypeFromTL(List *targetList, bool hasoid)
Definition: execTuples.c:977
void ExecRestrPos(PlanState *node)
Definition: execAmi.c:363
int executor_errposition(EState *estate, int location)
Definition: execUtils.c:745
void(* ExecutorFinish_hook_type)(QueryDesc *queryDesc)
Definition: executor.h:80
void ExecAssignScanProjectionInfo(ScanState *node)
Definition: execScan.c:235
void MemoryContextReset(MemoryContext context)
Definition: mcxt.c:136
void ExecSimpleRelationDelete(EState *estate, EPQState *epqstate, TupleTableSlot *searchslot)
bool(* ExecutorCheckPerms_hook_type)(List *, bool)
Definition: executor.h:88
TupleTableSlot * slot
Definition: executor.h:446
bool RelationFindReplTupleByIndex(Relation rel, Oid idxoid, LockTupleMode lockmode, TupleTableSlot *searchslot, TupleTableSlot *outslot)
JunkFilter * ExecInitJunkFilter(List *targetList, bool hasoid, TupleTableSlot *slot)
Definition: execJunk.c:61
void ExecOpenIndices(ResultRelInfo *resultRelInfo, bool speculative)
Definition: execIndexing.c:149
TupleTableSlot * resultslot
Definition: execnodes.h:76
bool ExecCheck(ExprState *state, ExprContext *context)
Definition: execExpr.c:595
unsigned int Oid
Definition: postgres_ext.h:31
void ExecFreeExprContext(PlanState *planstate)
Definition: execUtils.c:566
static bool ExecQual(ExprState *state, ExprContext *econtext)
Definition: executor.h:360
NodeTag
Definition: nodes.h:26
JunkFilter * ExecInitJunkFilterConversion(List *targetList, TupleDesc cleanTupType, TupleTableSlot *slot)
Definition: execJunk.c:136
struct TupOutputState TupOutputState
void standard_ExecutorEnd(QueryDesc *queryDesc)
Definition: execMain.c:470
int natts
Definition: tupdesc.h:82
TupleTableSlot *(* ExecProcNodeMtd)(struct PlanState *pstate)
Definition: execnodes.h:899
HeapTuple EvalPlanQualGetTuple(EPQState *epqstate, Index rti)
Definition: execMain.c:2888
TupleHashTable BuildTupleHashTable(PlanState *parent, TupleDesc inputDesc, int numCols, AttrNumber *keyColIdx, Oid *eqfuncoids, FmgrInfo *hashfunctions, long nbuckets, Size additionalsize, MemoryContext tablecxt, MemoryContext tempcxt, bool use_variable_hash_iv)
Definition: execGrouping.c:152
char relkind
Definition: pg_class.h:51
#define PGDLLIMPORT
Definition: c.h:1140
char bool
Definition: c.h:275
Datum ExecMakeFunctionResultSet(SetExprState *fcache, ExprContext *econtext, MemoryContext argContext, bool *isNull, ExprDoneCond *isDone)
Definition: execSRF.c:477
void ExecTypeSetColNames(TupleDesc typeInfo, List *namesList)
Definition: execTuples.c:1063
bool ExecShutdownNode(PlanState *node)
Definition: execProcnode.c:746
Definition: type.h:89
bool ExecContextForcesOids(PlanState *planstate, bool *hasoids)
Definition: execMain.c:1521
void ExecCleanUpTriggerState(EState *estate)
Definition: execMain.c:1474
bool ExecCheckRTPerms(List *rangeTable, bool ereport_on_violation)
Definition: execMain.c:574
void standard_ExecutorStart(QueryDesc *queryDesc, int eflags)
Definition: execMain.c:150
LockTupleMode
Definition: heapam.h:38
bool ExecSupportsMarkRestore(struct Path *pathnode)
Definition: execAmi.c:405
TupleDesc ExecTypeFromExprList(List *exprList)
Definition: execTuples.c:1024
void EvalPlanQualFetchRowMarks(EPQState *epqstate)
Definition: execMain.c:2903
void ExecInitScanTupleSlot(EState *estate, ScanState *scanstate, TupleDesc tupleDesc)
Definition: execTuples.c:915
void EvalPlanQualSetPlan(EPQState *epqstate, Plan *subplan, List *auxrowmarks)
Definition: execMain.c:2852
void ExecutorRewind(QueryDesc *queryDesc)
Definition: execMain.c:531
NameData attname
Definition: pg_attribute.h:40
PGDLLIMPORT ExecutorEnd_hook_type ExecutorEnd_hook
Definition: execMain.c:73
bool ExecMaterializesOutput(NodeTag plantype)
Definition: execAmi.c:577
TupleTableSlot * ExecScan(ScanState *node, ExecScanAccessMtd accessMtd, ExecScanRecheckMtd recheckMtd)
Definition: execScan.c:121
void ExecConstraints(ResultRelInfo *resultRelInfo, TupleTableSlot *slot, EState *estate)
Definition: execMain.c:1971
RelOptInfo * parent
Definition: relation.h:1078
void ExecAssignScanType(ScanState *scanstate, TupleDesc tupDesc)
Definition: execUtils.c:586
ExprStateEvalFunc evalfunc
Definition: execnodes.h:87
PGDLLIMPORT ExecutorStart_hook_type ExecutorStart_hook
Definition: execMain.c:70
static Datum ExecEvalExpr(ExprState *state, ExprContext *econtext, bool *isNull)
Definition: executor.h:280
#define EEO_FLAG_IS_QUAL
Definition: execnodes.h:55
void UpdateChangedParamSet(PlanState *node, Bitmapset *newchg)
Definition: execUtils.c:711
bool execCurrentOf(CurrentOfExpr *cexpr, ExprContext *econtext, Oid table_oid, ItemPointer current_tid)
Definition: execCurrent.c:42
void EvalPlanQualBegin(EPQState *epqstate, EState *parentestate)
Definition: execMain.c:3063
ScanDirection
Definition: sdir.h:22
#define DatumGetBool(X)
Definition: postgres.h:378
void ExecAssignProjectionInfo(PlanState *planstate, TupleDesc inputDesc)
Definition: execUtils.c:456
TupleTableSlot * EvalPlanQualNext(EPQState *epqstate)
Definition: execMain.c:3047
void end_tup_output(TupOutputState *tstate)
Definition: execTuples.c:1391
ExprState * ExecPrepareCheck(List *qual, EState *estate)
Definition: execExpr.c:539
ExprState * ExecInitCheck(List *qual, PlanState *parent)
Definition: execExpr.c:294
WCOKind
Definition: parsenodes.h:1128
TupleHashEntry LookupTupleHashEntry(TupleHashTable hashtable, TupleTableSlot *slot, bool *isnew)
Definition: execGrouping.c:233
List * ExecPrepareExprList(List *nodes, EState *estate)
Definition: execExpr.c:562
Bitmapset * chgParam
Definition: execnodes.h:941
void ExecAssignExprContext(EState *estate, PlanState *planstate)
Definition: execUtils.c:428
void ExecutorFinish(QueryDesc *queryDesc)
Definition: execMain.c:401
bool(* ExecScanRecheckMtd)(ScanState *node, TupleTableSlot *slot)
Definition: executor.h:421
ExprContext * CreateStandaloneExprContext(void)
Definition: execUtils.c:300
ExprDoneCond
Definition: execnodes.h:264
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
void ExecSimpleRelationInsert(EState *estate, TupleTableSlot *slot)
void ExecReScan(PlanState *node)
Definition: execAmi.c:76
static bool ExecQualAndReset(ExprState *state, ExprContext *econtext)
Definition: executor.h:387
AttrNumber ExecFindJunkAttributeInTlist(List *targetlist, const char *attrName)
Definition: execJunk.c:221
PGDLLIMPORT ExecutorFinish_hook_type ExecutorFinish_hook
Definition: execMain.c:72
ExecProcNodeMtd ExecProcNode
Definition: execnodes.h:918
HeapTuple EvalPlanQualFetch(EState *estate, Relation relation, int lockmode, LockWaitPolicy wait_policy, ItemPointer tid, TransactionId priorXmax)
Definition: execMain.c:2591
PGDLLIMPORT ExecutorCheckPerms_hook_type ExecutorCheckPerms_hook
Definition: execMain.c:76
ExprState * ExecInitExpr(Expr *node, PlanState *parent)
Definition: execExpr.c:119
uintptr_t Datum
Definition: postgres.h:367
void CheckValidResultRel(ResultRelInfo *resultRelInfo, CmdType operation)
Definition: execMain.c:1104
void FreeExprContext(ExprContext *econtext, bool isCommit)
Definition: execUtils.c:359
TupleTableSlot * ExecFilterJunk(JunkFilter *junkfilter, TupleTableSlot *slot)
Definition: execJunk.c:262
void ExecEndNode(PlanState *node)
Definition: execProcnode.c:538
static TupleTableSlot * ExecProcNode(PlanState *node)
Definition: executor.h:232
unsigned int Index
Definition: c.h:442
void InitResultRelInfo(ResultRelInfo *resultRelInfo, Relation resultRelationDesc, Index resultRelationIndex, Relation partition_root, int instrument_options)
Definition: execMain.c:1305
ExprState * ExecPrepareExpr(Expr *node, EState *estate)
Definition: execExpr.c:488
EState * CreateExecutorState(void)
Definition: execUtils.c:80
void ExecSetExecProcNode(PlanState *node, ExecProcNodeMtd function)
Definition: execProcnode.c:406
void ExecPartitionCheckEmitError(ResultRelInfo *resultRelInfo, TupleTableSlot *slot, EState *estate)
Definition: execMain.c:1909
SetExprState * ExecInitTableFunctionResult(Expr *expr, ExprContext *econtext, PlanState *parent)
Definition: execSRF.c:56
void ReScanExprContext(ExprContext *econtext)
Definition: execUtils.c:386
void ExecCloseScanRelation(Relation scanrel)
Definition: execUtils.c:701
int ExecTargetListLength(List *targetlist)
Definition: execUtils.c:1039
Datum ExecGetJunkAttribute(TupleTableSlot *slot, AttrNumber attno, bool *isNull)
Definition: execJunk.c:248
void(* ExecutorEnd_hook_type)(QueryDesc *queryDesc)
Definition: executor.h:84
List * ExecInsertIndexTuples(TupleTableSlot *slot, ItemPointer tupleid, EState *estate, bool noDupErr, bool *specConflict, List *arbiterIndexes)
Definition: execIndexing.c:271
void ExecutorRun(QueryDesc *queryDesc, ScanDirection direction, uint64 count, bool execute_once)
Definition: execMain.c:299
#define Assert(condition)
Definition: c.h:699
void RegisterExprContextCallback(ExprContext *econtext, ExprContextCallbackFunction function, Datum arg)
Definition: execUtils.c:772
Definition: regguts.h:298
ExprState * ExecPrepareQual(List *qual, EState *estate)
Definition: execExpr.c:516
TupleDesc ExecTypeFromTL(List *targetList, bool hasoid)
Definition: execTuples.c:965
void(* ExprContextCallbackFunction)(Datum arg)
Definition: execnodes.h:180
size_t Size
Definition: c.h:433
void CheckCmdReplicaIdentity(Relation rel, CmdType cmd)
bool ExecPartitionCheck(ResultRelInfo *resultRelInfo, TupleTableSlot *slot, EState *estate, bool emitError)
Definition: execMain.c:1864
void ExecAssignScanProjectionInfoWithVarno(ScanState *node, Index varno)
Definition: execScan.c:248
List * ExecInitExprList(List *nodes, PlanState *parent)
Definition: execExpr.c:314
void EvalPlanQualSetTuple(EPQState *epqstate, Index rti, HeapTuple tuple)
Definition: execMain.c:2868
void ExecMarkPos(PlanState *node)
Definition: execAmi.c:314
void do_text_output_multiline(TupOutputState *tstate, const char *txt)
Definition: execTuples.c:1361
SetExprState * ExecInitFunctionResultSet(Expr *expr, ExprContext *econtext, PlanState *parent)
Definition: execSRF.c:424
TupleTableSlot * ExecInitExtraTupleSlot(EState *estate, TupleDesc tupleDesc)
Definition: execTuples.c:931
static Datum values[MAXATTR]
Definition: bootstrap.c:164
void EvalPlanQualInit(EPQState *epqstate, EState *estate, Plan *subplan, List *auxrowmarks, int epqParam)
Definition: execMain.c:2833
void EvalPlanQualEnd(EPQState *epqstate)
Definition: execMain.c:3256
bool RelationFindReplTupleSeq(Relation rel, LockTupleMode lockmode, TupleTableSlot *searchslot, TupleTableSlot *outslot)
void do_tup_output(TupOutputState *tstate, Datum *values, bool *isnull)
Definition: execTuples.c:1333
ExprContext * MakePerTupleExprContext(EState *estate)
Definition: execUtils.c:401
void execTuplesHashPrepare(int numCols, Oid *eqOperators, Oid **eqFuncOids, FmgrInfo **hashFunctions)
Definition: execGrouping.c:95
ExprState * ExecBuildAggTrans(AggState *aggstate, struct AggStatePerPhaseData *phase, bool doSort, bool doHash)
void(* ExecutorStart_hook_type)(QueryDesc *queryDesc, int eflags)
Definition: executor.h:69
TupleTableSlot * EvalPlanQual(EState *estate, EPQState *epqstate, Relation relation, Index rti, int lockmode, ItemPointer tid, TransactionId priorXmax)
Definition: execMain.c:2504
Datum GetAttributeByName(HeapTupleHeader tuple, const char *attname, bool *isNull)
Definition: execUtils.c:925
PlanState * ExecInitNode(Plan *node, EState *estate, int eflags)
Definition: execProcnode.c:139
void ExecutorEnd(QueryDesc *queryDesc)
Definition: execMain.c:461
uint8 flags
Definition: execnodes.h:61
void check_exclusion_constraint(Relation heap, Relation index, IndexInfo *indexInfo, ItemPointer tupleid, Datum *values, bool *isnull, EState *estate, bool newIndex)
Definition: execIndexing.c:863
void ExecLockNonLeafAppendTables(List *partitioned_rels, EState *estate)
Definition: execUtils.c:866
ExprState pi_state
Definition: execnodes.h:325
void * arg
TupleTableSlot * ExecInitNullTupleSlot(EState *estate, TupleDesc tupType)
Definition: execTuples.c:945
DestReceiver * dest
Definition: executor.h:447
TupleTableSlot *(* ExecScanAccessMtd)(ScanState *node)
Definition: executor.h:420
Tuplestorestate * ExecMakeTableFunctionResult(SetExprState *setexpr, ExprContext *econtext, MemoryContext argContext, TupleDesc expectedDesc, bool randomAccess)
Definition: execSRF.c:101
void ExecCreateScanSlotFromOuterPlan(EState *estate, ScanState *scanstate)
Definition: execUtils.c:598
ExprContext * pi_exprContext
Definition: execnodes.h:327
Definition: pg_list.h:45
void ExecSimpleRelationUpdate(EState *estate, EPQState *epqstate, TupleTableSlot *searchslot, TupleTableSlot *slot)
int16 AttrNumber
Definition: attnum.h:21
LockWaitPolicy
Definition: lockoptions.h:36
CmdType
Definition: nodes.h:656
PGDLLIMPORT ExecutorRun_hook_type ExecutorRun_hook
Definition: execMain.c:71
void ExecutorStart(QueryDesc *queryDesc, int eflags)
Definition: execMain.c:141
static TupleTableSlot * ExecProject(ProjectionInfo *projInfo)
Definition: executor.h:323
void FreeExecutorState(EState *estate)
Definition: execUtils.c:188
void ExecSetTupleBound(int64 tuples_needed, PlanState *child_node)
Definition: execProcnode.c:799