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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2007-12-03 22:37:17 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2007-12-03 22:37:17 +0000 |
| commit | f538329f9db21e32220d73e77cc851573bfb49f7 (patch) | |
| tree | 9ddc4822b7cbd9e1dd7a60d28f611f181642b33a /src | |
| parent | 50eed107ae63dc503fc58bc1a2e679ce232e283c (diff) | |
| download | postgresql-f538329f9db21e32220d73e77cc851573bfb49f7.tar.gz postgresql-f538329f9db21e32220d73e77cc851573bfb49f7.zip | |
Fix build_minmax_path() to cope if an IS NULL clause turns up in the
indexable-clauses list for a btree index. Formerly it just Asserted that
all such clauses were opclauses, but that's no longer true in 8.3.
Per bug #3796 from Matthias Schoeneich.
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/optimizer/plan/planagg.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/backend/optimizer/plan/planagg.c b/src/backend/optimizer/plan/planagg.c index 09302d3fc1d..11f15591cbd 100644 --- a/src/backend/optimizer/plan/planagg.c +++ b/src/backend/optimizer/plan/planagg.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/plan/planagg.c,v 1.34 2007/11/15 21:14:36 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/plan/planagg.c,v 1.35 2007/12/03 22:37:17 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -368,7 +368,9 @@ build_minmax_path(PlannerInfo *root, RelOptInfo *rel, MinMaxAggInfo *info) RestrictInfo *rinfo = (RestrictInfo *) lfirst(ll); int strategy; - Assert(is_opclause(rinfo->clause)); + /* Could be an IS_NULL test, if so ignore */ + if (!is_opclause(rinfo->clause)) + continue; strategy = get_op_opfamily_strategy(((OpExpr *) rinfo->clause)->opno, index->opfamily[prevcol]); |