46
46
#define KEY_OPTIMIZE_EXISTS 1
47
47
#define KEY_OPTIMIZE_REF_OR_NULL 2
51
49
enum_nested_loop_state sub_select_cache(Join *join, JoinTable *join_tab, bool end_of_records);
52
50
enum_nested_loop_state sub_select(Join *join,JoinTable *join_tab, bool end_of_records);
53
51
enum_nested_loop_state end_send_group(Join *join, JoinTable *join_tab, bool end_of_records);