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| author | Igor Babaev <igor@askmonty.org> | 2019-03-04 23:10:30 -0800 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2019-03-04 23:11:18 -0800 |
| commit | 8f4de38f65ba89c6273c15c9adb50ab762d03f59 (patch) | |
| tree | b45581c7d98404be091a090d24be19286051b7ce /sql/sql_select.h | |
| parent | a2fc36989e13c6f322fd22791f67e0d1275461d7 (diff) | |
| download | mariadb-git-8f4de38f65ba89c6273c15c9adb50ab762d03f59.tar.gz | |
MDEV-18467 Server crashes in fix_semijoin_strategies_for_picked_join_order
If a splittable materialized derived table / view T is used in a inner nest
of an outer join with impossible ON condition then T is marked as a
constant table. Yet the execution plan to build T is still searched for
in spite of the fact that is not needed. So it should be set.
Diffstat (limited to 'sql/sql_select.h')
| -rw-r--r-- | sql/sql_select.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/sql_select.h b/sql/sql_select.h index 0e486c1fbec..57d8dab8258 100644 --- a/sql/sql_select.h +++ b/sql/sql_select.h @@ -659,7 +659,8 @@ typedef struct st_join_table { void add_keyuses_for_splitting(); SplM_plan_info *choose_best_splitting(double record_count, table_map remaining_tables); - bool fix_splitting(SplM_plan_info *spl_plan, table_map remaining_tables); + bool fix_splitting(SplM_plan_info *spl_plan, table_map remaining_tables, + bool is_const_table); } JOIN_TAB; |