Commitf7fb29d

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Shouldn't try to copy null datums with datumCopy.

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Lines changed: 3 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*`
`9`	`9`	`*`
`10`	`10`	`* IDENTIFICATION`
`11`		`- * $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.92 2001/12/10 22:54:12 tgl Exp $`
	`11`	`+ * $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.93 2002/01/03 18:01:59 tgl Exp $`
`12`	`12`	`*`
`13`	`13`	`* HISTORY`
`14`	`14`	`* AUTHORDATEMAJOR EVENT`
`@@ -1544,7 +1544,8 @@ simplify_op_or_func(Expr expr, List args)`
`1544`	`1544`	`&const_is_null,NULL);`
`1545`	`1545`
`1546`	`1546`	`/* Must copy result out of sub-context used by expression eval */`
`1547`		`-const_val=datumCopy(const_val,resultTypByVal,resultTypLen);`
	`1547`	`+if (!const_is_null)`
	`1548`	`+const_val=datumCopy(const_val,resultTypByVal,resultTypLen);`
`1548`	`1549`
`1549`	`1550`	`FreeExprContext(econtext);`
`1550`	`1551`	`pfree(newexpr);`

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