diff options
Diffstat (limited to 'sql/sql_select.h')
| -rw-r--r-- | sql/sql_select.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sql/sql_select.h b/sql/sql_select.h index ab5dc08e044..886a66c3ef4 100644 --- a/sql/sql_select.h +++ b/sql/sql_select.h @@ -604,6 +604,8 @@ typedef struct st_join_table { !(used_sjm_lookup_tables & ~emb_sj_nest->sj_inner_tables)); } + bool keyuse_is_valid_for_access_in_chosen_plan(JOIN *join, KEYUSE *keyuse); + void remove_redundant_bnl_scan_conds(); void save_explain_data(Explain_table_access *eta, table_map prefix_tables, @@ -1120,6 +1122,11 @@ public: to materialize and access by lookups */ table_map sjm_lookup_tables; + /** + Bitmap of semijoin tables that the chosen plan decided + to materialize to scan the results of materialization + */ + table_map sjm_scan_tables; /* Constant tables for which we have found a row (as opposed to those for which we didn't). @@ -1488,6 +1495,7 @@ public: in_to_exists_having= NULL; emb_sjm_nest= NULL; sjm_lookup_tables= 0; + sjm_scan_tables= 0; } /* True if the plan guarantees that it will be returned zero or one row */ |