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| author | Sergey Petrunya <psergey@askmonty.org> | 2012-07-19 15:52:19 +0400 |
|---|---|---|
| committer | Sergey Petrunya <psergey@askmonty.org> | 2012-07-19 15:52:19 +0400 |
| commit | ab70b76d9c4eaafde3a4c639bd280d2ccb1d2999 (patch) | |
| tree | b96053e78a1e7fcb36a8fa17a31ec9478bc84ca7 /sql/sql_select.h | |
| parent | 678b4f5dea6edb146fc1877b384d602f5afcac03 (diff) | |
| download | mariadb-git-ab70b76d9c4eaafde3a4c639bd280d2ccb1d2999.tar.gz | |
BUG#992942 & MDEV-325: Pre-liminary commit for testing
Diffstat (limited to 'sql/sql_select.h')
| -rw-r--r-- | sql/sql_select.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sql/sql_select.h b/sql/sql_select.h index b78ac10d35f..d0677f069e7 100644 --- a/sql/sql_select.h +++ b/sql/sql_select.h @@ -903,6 +903,14 @@ protected: public: JOIN_TAB *join_tab, **best_ref; + + /* + Saved join_tab for pre_sorting. create_sort_index() will save here.. + */ + JOIN_TAB *pre_sort_join_tab; + uint pre_sort_index; + Item *pre_sort_idx_pushed_cond; + void clean_pre_sort_join_tab(); /* For "Using temporary+Using filesort" queries, JOIN::join_tab can point to @@ -1293,6 +1301,8 @@ public: outer_ref_cond= pseudo_bits_cond= NULL; in_to_exists_where= NULL; in_to_exists_having= NULL; + + pre_sort_join_tab= NULL; } int prepare(Item ***rref_pointer_array, TABLE_LIST *tables, uint wind_num, |