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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); |
|