database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

- Backport @@optimizer_switch support from 6.0

Browse Source 
- Add support for setting it as a server commandline argument
- Add support for those switches:
  = no_index_merge
  = no_index_merge_union
  = no_index_merge_sort_union
  = no_index_merge_intersection

mysql-test/r/index_merge_myisam.result:
  Testcases for index_merge related @@optimizer_switch flags.
mysql-test/t/index_merge_myisam.test:
  Testcases for index_merge related @@optimizer_switch flags.
sql/set_var.cc:
  - Backport @@optimizer_switch support from 6.0
  - Add support for setting it as a server commandline argument
sql/sql_class.h:
  - Backport @@optimizer_switch support from 6.0
sql/sql_select.h:
  - Backport @@optimizer_switch support from 6.0
This commit is contained in:
Sergey Petrunia
2009-02-23 19:16:48 +03:00
parent fecaef26af
commit cb6581d894
9 changed files with 382 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
sql/sql_class.h
View File

@ -321,6 +321,8 @@ struct system_variables
ulong net_write_timeout;
ulong optimizer_prune_level;
ulong optimizer_search_depth;
/* A bitmap for switching optimizations on/off */
ulong optimizer_switch;
ulong preload_buff_size;
ulong profiling_history_size;
ulong query_cache_type;