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| author | Igor Babaev <igor@askmonty.org> | 2011-12-18 23:38:37 -0800 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2011-12-18 23:38:37 -0800 |
| commit | 7a1406f229df002befeb91f39f57e15444aecb21 (patch) | |
| tree | 42a7ecb4198e90a067b21f4cede12cc08dea28c5 /sql/opt_index_cond_pushdown.cc | |
| parent | 2bfd02cea95a774dbc82b51fafa2bf727b9bb0ff (diff) | |
| download | mariadb-git-7a1406f229df002befeb91f39f57e15444aecb21.tar.gz | |
Fixed LP bug #904832.
Do not perform index condition pushdown for conditions containing subqueries
and stored functions.
Diffstat (limited to 'sql/opt_index_cond_pushdown.cc')
| -rw-r--r-- | sql/opt_index_cond_pushdown.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sql/opt_index_cond_pushdown.cc b/sql/opt_index_cond_pushdown.cc index 3a9c813b93c..5240267b4ac 100644 --- a/sql/opt_index_cond_pushdown.cc +++ b/sql/opt_index_cond_pushdown.cc @@ -29,6 +29,11 @@ bool uses_index_fields_only(Item *item, TABLE *tbl, uint keyno, bool other_tbls_ok) { + if (item->walk(&Item::limit_index_condition_pushdown_processor, FALSE, NULL)) + { + return FALSE; + } + if (item->const_item()) return TRUE; |