diff options
Diffstat (limited to 'sql/sql_lex.h')
| -rw-r--r-- | sql/sql_lex.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sql/sql_lex.h b/sql/sql_lex.h index 5a8b5a5f361..14ab445a366 100644 --- a/sql/sql_lex.h +++ b/sql/sql_lex.h @@ -637,8 +637,16 @@ public: tables. Unlike 'next_local', this in this list views are *not* leaves. Created in setup_tables() -> make_leaves_list(). */ + /* + Subqueries that will need to be converted to semi-join nests, including + those converted to jtbm nests. The list is emptied when conversion is done. + */ + List<Item_in_subselect> sj_subselects; + List<TABLE_LIST> leaf_tables; List<TABLE_LIST> leaf_tables_exec; + List<TABLE_LIST> leaf_tables_prep; + bool is_prep_leaf_list_saved; uint insert_tables; st_select_lex *merged_into; /* select which this select is merged into */ /* (not 0 only for views/derived tables) */ @@ -884,7 +892,7 @@ public: void remove_table_from_list(TABLE_LIST *table); void remap_tables(TABLE_LIST *derived, table_map map, uint tablenr, st_select_lex *parent_lex); - bool merge_subquery(TABLE_LIST *derived, st_select_lex *subq_lex, + bool merge_subquery(THD *thd, TABLE_LIST *derived, st_select_lex *subq_lex, uint tablenr, table_map map); inline bool is_mergeable() { @@ -899,6 +907,7 @@ public: void mark_const_derived(bool empty); bool save_leaf_tables(THD *thd); + bool save_prep_leaf_tables(THD *thd); private: /* current index hint kind. used in filling up index_hints */ |