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Convert hash join code to use MinimalTuple format in tuple hash table

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and batch files.  Should reduce memory and I/O demands for such joins.
This commit is contained in:
Tom Lane
2006-06-27 21:31:20 +00:00
parent 665c5e861a
commit 69d0a15e2a
7 changed files with 121 additions and 72 deletions
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4
src/include/executor/nodeHashjoin.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/executor/nodeHashjoin.h,v 1.32 2006/03/05 15:58:56 momjian Exp $
* $PostgreSQL: pgsql/src/include/executor/nodeHashjoin.h,v 1.33 2006/06/27 21:31:20 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -23,7 +23,7 @@ extern TupleTableSlot *ExecHashJoin(HashJoinState *node);
extern void ExecEndHashJoin(HashJoinState *node);
extern void ExecReScanHashJoin(HashJoinState *node, ExprContext *exprCtxt);
extern void ExecHashJoinSaveTuple(HeapTuple heapTuple, uint32 hashvalue,
extern void ExecHashJoinSaveTuple(MinimalTuple tuple, uint32 hashvalue,
BufFile **fileptr);
#endif /* NODEHASHJOIN_H */