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tablespace(s) in which to store temp tables and temporary files. This is a list to allow spreading the load across multiple tablespaces (a random list element is chosen each time a temp object is to be created). Temp files are not stored in per-database pgsql_tmp/ directories anymore, but per-tablespace directories. Jaime Casanova and Albert Cervera, with review by Bernd Helmle and Tom Lane.
30 lines
1 KiB
C
30 lines
1 KiB
C
/*-------------------------------------------------------------------------
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*
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* nodeHashjoin.h
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* prototypes for nodeHashjoin.c
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*
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*
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* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/include/executor/nodeHashjoin.h,v 1.35 2007/06/03 17:08:32 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef NODEHASHJOIN_H
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#define NODEHASHJOIN_H
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#include "nodes/execnodes.h"
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#include "storage/buffile.h"
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extern int ExecCountSlotsHashJoin(HashJoin *node);
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extern HashJoinState *ExecInitHashJoin(HashJoin *node, EState *estate, int eflags);
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extern TupleTableSlot *ExecHashJoin(HashJoinState *node);
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extern void ExecEndHashJoin(HashJoinState *node);
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extern void ExecReScanHashJoin(HashJoinState *node, ExprContext *exprCtxt);
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extern void ExecHashJoinSaveTuple(HashJoinTable hashtable,
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MinimalTuple tuple, uint32 hashvalue,
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BufFile **fileptr);
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#endif /* NODEHASHJOIN_H */
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