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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2002-01-03 18:01:59 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2002-01-03 18:01:59 +0000 |
| commit | f7fb29dec3a6c924931078f29dc56991333c8693 (patch) | |
| tree | ff256dfab6a974649186435a37cbf04bfea07d7e | |
| parent | b8ef396d6b3866adb3715ecd68273da21d169745 (diff) | |
| download | postgresql-f7fb29dec3a6c924931078f29dc56991333c8693.tar.gz postgresql-f7fb29dec3a6c924931078f29dc56991333c8693.zip | |
Shouldn't try to copy null datums with datumCopy.
| -rw-r--r-- | src/backend/optimizer/util/clauses.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/optimizer/util/clauses.c b/src/backend/optimizer/util/clauses.c index b3d50433564..8a4bcf4d9c4 100644 --- a/src/backend/optimizer/util/clauses.c +++ b/src/backend/optimizer/util/clauses.c @@ -8,7 +8,7 @@ * * * 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 * AUTHOR DATE MAJOR EVENT @@ -1544,7 +1544,8 @@ simplify_op_or_func(Expr *expr, List *args) &const_is_null, NULL); /* 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); pfree(newexpr); |