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| author | Alexey Kopytov <Alexey.Kopytov@Sun.com> | 2009-08-30 11:38:49 +0400 |
|---|---|---|
| committer | Alexey Kopytov <Alexey.Kopytov@Sun.com> | 2009-08-30 11:38:49 +0400 |
| commit | 54e4516063c93c8f78ec99d37f3bda1aa22820a4 (patch) | |
| tree | 29a2f71bf420dd6d81bf4c1c4232c900ed1779f0 /sql/opt_range.cc | |
| parent | f32c08bd0ca20d23e95ca46912044d48282cfd6f (diff) | |
| parent | 6ce48392ea410ecb9937ea07943cc6434a5ac378 (diff) | |
| download | mariadb-git-54e4516063c93c8f78ec99d37f3bda1aa22820a4.tar.gz | |
Automerge.
Diffstat (limited to 'sql/opt_range.cc')
| -rw-r--r-- | sql/opt_range.cc | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sql/opt_range.cc b/sql/opt_range.cc index 3e18d20c903..49a10f166fa 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -9639,7 +9639,17 @@ check_group_min_max_predicates(COND *cond, Item_field *min_max_arg_item, */ if (cond_type == Item::SUBSELECT_ITEM) DBUG_RETURN(FALSE); - + + /* + Condition of the form 'field' is equivalent to 'field <> 0' and thus + satisfies the SA3 condition. + */ + if (cond_type == Item::FIELD_ITEM) + { + DBUG_PRINT("info", ("Analyzing: %s", cond->full_name())); + DBUG_RETURN(TRUE); + } + /* We presume that at this point there are no other Items than functions. */ DBUG_ASSERT(cond_type == Item::FUNC_ITEM); |