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| author | Igor Babaev <igor@askmonty.org> | 2011-10-13 22:39:00 -0700 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2011-10-13 22:39:00 -0700 |
| commit | 9e6f484788db461b46a365d415ee7043cab65f1e (patch) | |
| tree | 036a823dfb8bc150e94683defdf3462b1120d0d2 /sql/item.h | |
| parent | 76e9131fbe2157edbab53f34f2866070a55d2a17 (diff) | |
| download | mariadb-git-9e6f484788db461b46a365d415ee7043cab65f1e.tar.gz | |
Fixed LP bug #872735.
This bug happened because the maps of covering keys for mergeable derived
tables/views was not recalculated after the derived tables/vies had been
merged into the main query.
Diffstat (limited to 'sql/item.h')
| -rw-r--r-- | sql/item.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sql/item.h b/sql/item.h index 8cacd231fbf..efd358db874 100644 --- a/sql/item.h +++ b/sql/item.h @@ -1816,6 +1816,11 @@ public: bool get_date_result(MYSQL_TIME *ltime,uint fuzzydate); bool is_null() { return field->is_null(); } void update_null_value(); + void update_used_tables() + { + if (field && field->table) + field->table->covering_keys.intersect(field->part_of_key); + } Item *get_tmp_table_item(THD *thd); bool collect_item_field_processor(uchar * arg); bool add_field_to_set_processor(uchar * arg); |