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Shouldn't try to copy null datums with datumCopy.

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This commit is contained in:
Tom Lane 2002-01-03 18:01:59 +00:00
parent b8ef396d6b
commit f7fb29dec3
1 changed files with 3 additions and 2 deletions
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5
src/backend/optimizer/util/clauses.c
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@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.92 2001/12/10 22:54:12 tgl Exp $ * $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.93 2002/01/03 18:01:59 tgl Exp $
* *
* HISTORY * HISTORY
* AUTHOR DATE MAJOR EVENT * AUTHOR DATE MAJOR EVENT
@ -1544,7 +1544,8 @@ simplify_op_or_func(Expr *expr, List *args)
&const_is_null, NULL); &const_is_null, NULL);
/* Must copy result out of sub-context used by expression eval */ /* Must copy result out of sub-context used by expression eval */
const_val = datumCopy(const_val, resultTypByVal, resultTypLen); if (!const_is_null)
const_val = datumCopy(const_val, resultTypByVal, resultTypLen);
FreeExprContext(econtext); FreeExprContext(econtext);
pfree(newexpr); pfree(newexpr);