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| author | Marc G. Fournier <scrappy@hub.org> | 1996-07-09 06:22:35 +0000 |
|---|---|---|
| committer | Marc G. Fournier <scrappy@hub.org> | 1996-07-09 06:22:35 +0000 |
| commit | d31084e9d1118b25fd16580d9d8c2924b5740dff (patch) | |
| tree | 3179e66307d54df9c7b966543550e601eb55e668 /src/backend/executor/nodeHash.h | |
| download | postgresql-d31084e9d1118b25fd16580d9d8c2924b5740dff.tar.gz postgresql-d31084e9d1118b25fd16580d9d8c2924b5740dff.zip | |
Postgres95 1.01 Distribution - Virgin SourcesPG95-1_01
Diffstat (limited to 'src/backend/executor/nodeHash.h')
| -rw-r--r-- | src/backend/executor/nodeHash.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/backend/executor/nodeHash.h b/src/backend/executor/nodeHash.h new file mode 100644 index 00000000000..cec479dbb01 --- /dev/null +++ b/src/backend/executor/nodeHash.h @@ -0,0 +1,35 @@ +/*------------------------------------------------------------------------- + * + * nodeHash.h-- + * + * + * + * Copyright (c) 1994, Regents of the University of California + * + * $Id: nodeHash.h,v 1.1.1.1 1996/07/09 06:21:26 scrappy Exp $ + * + *------------------------------------------------------------------------- + */ +#ifndef NODEHASH_H +#define NODEHASH_H + +extern TupleTableSlot *ExecHash(Hash *node); +extern bool ExecInitHash(Hash *node, EState *estate, Plan *parent); +extern int ExecCountSlotsHash(Hash *node); +extern void ExecEndHash(Hash *node); +extern RelativeAddr hashTableAlloc(int size, HashJoinTable hashtable); +extern HashJoinTable ExecHashTableCreate(Hash *node); +extern void ExecHashTableInsert(HashJoinTable hashtable, ExprContext *econtext, + Var *hashkey, File *batches); +extern void ExecHashTableDestroy(HashJoinTable hashtable); +extern int ExecHashGetBucket(HashJoinTable hashtable, ExprContext *econtext, + Var *hashkey); +extern void ExecHashOverflowInsert(HashJoinTable hashtable, HashBucket bucket, + HeapTuple heapTuple); +extern HeapTuple ExecScanHashBucket(HashJoinState *hjstate, HashBucket bucket, + HeapTuple curtuple, List *hjclauses, + ExprContext *econtext); +extern int ExecHashPartition(Hash *node); +extern void ExecHashTableReset(HashJoinTable hashtable, int ntuples); + +#endif /* NODEHASH_H */ |