database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-02 14:47:37 +03:00
Code Activity

MDEV-6047: Make exists_to_in optimization ON by default

Browse Source
This commit is contained in:
unknown
2014-06-09 13:42:21 +03:00
parent 23a5b2eb6d
commit 4cd676cbd9
24 changed files with 189 additions and 183 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
sql/sql_priv.h
View File

@ -253,7 +253,8 @@ template <class T> bool valid_buffer_range(T jump,
OPTIMIZER_SWITCH_SUBQUERY_CACHE | \
OPTIMIZER_SWITCH_SEMIJOIN | \
OPTIMIZER_SWITCH_FIRSTMATCH | \
OPTIMIZER_SWITCH_LOOSE_SCAN )
OPTIMIZER_SWITCH_LOOSE_SCAN | \
OPTIMIZER_SWITCH_EXISTS_TO_IN)
/*
Replication uses 8 bytes to store SQL_MODE in the binary log. The day you
use strictly more than 64 bits by adding one more define above, you should