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| author | unknown <timour@askmonty.org> | 2010-09-05 18:43:47 +0300 |
|---|---|---|
| committer | unknown <timour@askmonty.org> | 2010-09-05 18:43:47 +0300 |
| commit | 18ad3bdc2fa3bbe1bfd7e433adb0bc6b3dbce8c8 (patch) | |
| tree | 6c257aff7c14aa611fc2a7f76149dc830c7ed9e8 /sql/sql_class.cc | |
| parent | aa195b25704b4e67423654422ce0b601b54f809d (diff) | |
| download | mariadb-git-18ad3bdc2fa3bbe1bfd7e433adb0bc6b3dbce8c8.tar.gz | |
MWL#89: Cost-based choice between Materialization and IN->EXISTS transformation
Fixes for multiple problems/bugs/test failures that resulted from moving
subquery optimization from the execution phase to the optimization phase.
Diffstat (limited to 'sql/sql_class.cc')
| -rw-r--r-- | sql/sql_class.cc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sql/sql_class.cc b/sql/sql_class.cc index a4e8c84401b..930cf2393f7 100644 --- a/sql/sql_class.cc +++ b/sql/sql_class.cc @@ -2630,6 +2630,7 @@ void Query_arena::free_items() for (; free_list; free_list= next) { next= free_list->next; + DBUG_ASSERT(free_list != next); free_list->delete_self(); } /* Postcondition: free_list is 0 */ |