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author | psergey <psergey@epc> | 2010-07-11 19:18:43 +0400 |
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committer | psergey <psergey@epc> | 2010-07-11 19:18:43 +0400 |
commit | 3a9aabaa26d9ae2b0c7d83669231385045f6e992 (patch) | |
tree | 6fdb76034ed876efa3f88390bc9fcc09ea17e2e7 /sql/opt_subselect.h | |
parent | e5f238a05152efbd4b05425511eeed59c3026779 (diff) | |
parent | 946aef4a58337c6e5adf5a08d04dd397630f0c46 (diff) | |
download | mariadb-git-3a9aabaa26d9ae2b0c7d83669231385045f6e992.tar.gz |
MWL#90: Subqueries: Inside-out execution for materialized non-sj subqueries
- Merge with MariaDB 5.3 -main
Diffstat (limited to 'sql/opt_subselect.h')
-rw-r--r-- | sql/opt_subselect.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sql/opt_subselect.h b/sql/opt_subselect.h index e9b93085aea..539fa806ed0 100644 --- a/sql/opt_subselect.h +++ b/sql/opt_subselect.h @@ -1,4 +1,6 @@ -/* */ +/* + Semi-join subquery optimization code definitions +*/ #ifdef USE_PRAGMA_INTERFACE #pragma interface /* gcc class implementation */ @@ -365,4 +367,10 @@ int clear_sj_tmp_tables(JOIN *join); int rewrite_to_index_subquery_engine(JOIN *join); +void get_delayed_table_estimates(TABLE *table, + ha_rows *out_rows, + double *scan_time, + double *startup_cost); + +enum_nested_loop_state join_tab_execution_startup(JOIN_TAB *tab); |