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INDEXSCAN_PATCH changes: should work for (Param OP VAR) too

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(but I didn't test FUNC OP PARAM and PARAM OP FUNC - no time)
This commit is contained in:
Vadim B. Mikheev 1997-01-22 06:30:57 +00:00
parent 1aa1827d64
commit fb24bfa3ce
1 changed files with 9 additions and 1 deletions
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10
src/backend/optimizer/util/clauses.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.5 1996/11/30 17:48:52 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.6 1997/01/22 06:30:57 vadim Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -649,6 +649,14 @@ get_relattval(Node *clause,
*constval = 0;
*flag = (_SELEC_NOT_CONSTANT_);
}
#ifdef INDEXSCAN_PATCH
} else if (is_opclause(clause) && IsA(right,Var) && IsA(left,Param)) {
/* ...And here... - vadim 01/22/97 */
*relid = right->varno;
*attno = right->varattno;
*constval = 0;
*flag = (_SELEC_NOT_CONSTANT_);
#endif
} else {
/* One or more of the operands are expressions
* (e.g., oper clauses)