database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

Merge olga.mysql.com:/home/igor/mysql-5.0-opt

Browse Source 
into  olga.mysql.com:/home/igor/mysql-5.1-opt
This commit is contained in:
igor@olga.mysql.com
2007-05-12 10:54:23 -07:00
parent 5fbb3c156f 11d5f7ee1c
commit 82239b3e9c
4 changed files with 67 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
sql/sql_select.h
View File

@ -160,6 +160,13 @@ typedef struct st_join_table {
Read_record_func read_first_record;
Next_select_func next_select;
READ_RECORD read_record;
/*
Currently the following two fields are used only for a [NOT] IN subquery
if it is executed by an alternative full table scan when the left operand of
the subquery predicate is evaluated to NULL.
*/
Read_record_func save_read_first_record;/* to save read_first_record */
int (*save_read_record) (READ_RECORD *);/* to save read_record.read_record */
double worst_seeks;
key_map const_keys; /* Keys with constant part */
key_map checked_keys; /* Keys checked in find_best */