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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:17:33 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:17:33 +0000 |
| commit | 5e45211a64149b3c659b90ff2de6fa982a5a93ed (patch) | |
| tree | 739caf8c461053357daa9f162bef34516c7bf452 /src/include/executor/nodeHash.h | |
| parent | Initial commit. (diff) | |
| download | postgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.tar.xz postgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.zip | |
Adding upstream version 15.5.upstream/15.5
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/include/executor/nodeHash.h')
| -rw-r--r-- | src/include/executor/nodeHash.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/include/executor/nodeHash.h b/src/include/executor/nodeHash.h new file mode 100644 index 0000000..e1e0dec --- /dev/null +++ b/src/include/executor/nodeHash.h @@ -0,0 +1,79 @@ +/*------------------------------------------------------------------------- + * + * nodeHash.h + * prototypes for nodeHash.c + * + * + * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * src/include/executor/nodeHash.h + * + *------------------------------------------------------------------------- + */ +#ifndef NODEHASH_H +#define NODEHASH_H + +#include "access/parallel.h" +#include "nodes/execnodes.h" + +struct SharedHashJoinBatch; + +extern HashState *ExecInitHash(Hash *node, EState *estate, int eflags); +extern Node *MultiExecHash(HashState *node); +extern void ExecEndHash(HashState *node); +extern void ExecReScanHash(HashState *node); + +extern HashJoinTable ExecHashTableCreate(HashState *state, List *hashOperators, List *hashCollations, + bool keepNulls); +extern void ExecParallelHashTableAlloc(HashJoinTable hashtable, + int batchno); +extern void ExecHashTableDestroy(HashJoinTable hashtable); +extern void ExecHashTableDetach(HashJoinTable hashtable); +extern void ExecHashTableDetachBatch(HashJoinTable hashtable); +extern void ExecParallelHashTableSetCurrentBatch(HashJoinTable hashtable, + int batchno); + +extern void ExecHashTableInsert(HashJoinTable hashtable, + TupleTableSlot *slot, + uint32 hashvalue); +extern void ExecParallelHashTableInsert(HashJoinTable hashtable, + TupleTableSlot *slot, + uint32 hashvalue); +extern void ExecParallelHashTableInsertCurrentBatch(HashJoinTable hashtable, + TupleTableSlot *slot, + uint32 hashvalue); +extern bool ExecHashGetHashValue(HashJoinTable hashtable, + ExprContext *econtext, + List *hashkeys, + bool outer_tuple, + bool keep_nulls, + uint32 *hashvalue); +extern void ExecHashGetBucketAndBatch(HashJoinTable hashtable, + uint32 hashvalue, + int *bucketno, + int *batchno); +extern bool ExecScanHashBucket(HashJoinState *hjstate, ExprContext *econtext); +extern bool ExecParallelScanHashBucket(HashJoinState *hjstate, ExprContext *econtext); +extern void ExecPrepHashTableForUnmatched(HashJoinState *hjstate); +extern bool ExecScanHashTableForUnmatched(HashJoinState *hjstate, + ExprContext *econtext); +extern void ExecHashTableReset(HashJoinTable hashtable); +extern void ExecHashTableResetMatchFlags(HashJoinTable hashtable); +extern void ExecChooseHashTableSize(double ntuples, int tupwidth, bool useskew, + bool try_combined_hash_mem, + int parallel_workers, + size_t *space_allowed, + int *numbuckets, + int *numbatches, + int *num_skew_mcvs); +extern int ExecHashGetSkewBucket(HashJoinTable hashtable, uint32 hashvalue); +extern void ExecHashEstimate(HashState *node, ParallelContext *pcxt); +extern void ExecHashInitializeDSM(HashState *node, ParallelContext *pcxt); +extern void ExecHashInitializeWorker(HashState *node, ParallelWorkerContext *pwcxt); +extern void ExecHashRetrieveInstrumentation(HashState *node); +extern void ExecShutdownHash(HashState *node); +extern void ExecHashAccumInstrumentation(HashInstrumentation *instrument, + HashJoinTable hashtable); + +#endif /* NODEHASH_H */ |