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| author | Igor Babaev <igor@askmonty.org> | 2013-10-02 17:59:56 -0700 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2013-10-02 17:59:56 -0700 |
| commit | 00816a964f42f65877c9f8982443b2522d09687d (patch) | |
| tree | c09184fa4404ed321fa32a8c11150d6bb7f6b4f6 /sql/sql_select.h | |
| parent | ec7da1561e028aac40dee69433113978c982ce84 (diff) | |
| download | mariadb-git-00816a964f42f65877c9f8982443b2522d09687d.tar.gz | |
Fixed bug mdev-5028.
Apparently in a general case a short-cut for the distinct optimization
is invalid if join buffers are used to join tables after the tables whose
values are to selected.
Diffstat (limited to 'sql/sql_select.h')
| -rw-r--r-- | sql/sql_select.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sql/sql_select.h b/sql/sql_select.h index 083302d1e4c..d75be9ae0fe 100644 --- a/sql/sql_select.h +++ b/sql/sql_select.h @@ -314,8 +314,9 @@ typedef struct st_join_table { uint used_null_fields; uint used_uneven_bit_fields; enum join_type type; - bool cached_eq_ref_table,eq_ref_table,not_used_in_distinct; - bool sorted; + bool cached_eq_ref_table,eq_ref_table; + bool shortcut_for_distinct; + bool sorted; /* If it's not 0 the number stored this field indicates that the index scan has been chosen to access the table data and we expect to scan |