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| author | Bruce Momjian <bruce@momjian.us> | 1998-11-09 02:49:13 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 1998-11-09 02:49:13 +0000 |
| commit | f03729c62178890fab5ab33d721c70d3f474c512 (patch) | |
| tree | 4f11fbebdfd1c3b317820ccc8ad6551a8eaf2bc4 /src | |
| parent | 39792e5b01b5e500432b2624f764b138fdc3871a (diff) | |
| download | postgresql-f03729c62178890fab5ab33d721c70d3f474c512.tar.gz postgresql-f03729c62178890fab5ab33d721c70d3f474c512.zip | |
Fix for NOT in where clause causing crash.
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/optimizer/path/clausesel.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/backend/optimizer/path/clausesel.c b/src/backend/optimizer/path/clausesel.c index 8a0536c7bbe..0bdca62893f 100644 --- a/src/backend/optimizer/path/clausesel.c +++ b/src/backend/optimizer/path/clausesel.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/path/clausesel.c,v 1.13 1998/09/01 04:29:29 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/path/clausesel.c,v 1.14 1998/11/09 02:49:13 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -254,6 +254,11 @@ compute_selec(Query *root, List *clauses, List *or_selectivities) */ s1 = 0.1; } + else if (not_clause((Node *) clause)) + { + /* negate this baby */ + return 1 - compute_selec(root, ((Expr *)clause)->args, or_selectivities); + } else if (is_subplan((Node *) clause)) { |