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Get rid of hashkeys field of Hash plan node, since it's redundant with

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the hashclauses field of the parent HashJoin.  This avoids problems with
duplicated links to SubPlans in hash clauses, as per report from
Andrew Holm-Hansen.
This commit is contained in:
Tom Lane
2003-11-25 21:00:54 +00:00
parent 38ba28e5c1
commit a64846f3ad
8 changed files with 31 additions and 66 deletions
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3
src/backend/nodes/copyfuncs.c
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@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.267 2003/11/12 21:15:52 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.268 2003/11/25 21:00:53 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -551,7 +551,6 @@ _copyHash(Hash *from)
/*
* copy remainder of node
*/
COPY_NODE_FIELD(hashkeys);
return newnode;
}