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| author | unknown <timour@askmonty.org> | 2012-06-19 15:06:45 +0300 |
|---|---|---|
| committer | unknown <timour@askmonty.org> | 2012-06-19 15:06:45 +0300 |
| commit | 0b93b444b6c4de6b219fd3a4b3d5fa2e388dc211 (patch) | |
| tree | 14476572c91530f3b354041e1683e2b042b9a9cd /sql/sys_vars.cc | |
| parent | 37f8094652c438360b66aa04a46acb96d3eea6b7 (diff) | |
| parent | cf3a499f541e66e1b8aa96fe16e36a48ed1c0a0e (diff) | |
| download | mariadb-git-0b93b444b6c4de6b219fd3a4b3d5fa2e388dc211.tar.gz | |
Merged the fix for bug lp:944706, mdev-193
Diffstat (limited to 'sql/sys_vars.cc')
| -rw-r--r-- | sql/sys_vars.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sql/sys_vars.cc b/sql/sys_vars.cc index bbe6d45b533..e1cadb52648 100644 --- a/sql/sys_vars.cc +++ b/sql/sys_vars.cc @@ -3768,4 +3768,9 @@ static Sys_var_ulong Sys_debug_binlog_fsync_sleep( CMD_LINE(REQUIRED_ARG), VALID_RANGE(0, UINT_MAX), DEFAULT(0), BLOCK_SIZE(1)); #endif - +static Sys_var_harows Sys_expensive_subquery_limit( + "expensive_subquery_limit", + "The maximum number of rows a subquery may examine in order to be " + "executed during optimization and used for constant optimization", + SESSION_VAR(expensive_subquery_limit), CMD_LINE(REQUIRED_ARG), + VALID_RANGE(0, HA_POS_ERROR), DEFAULT(100), BLOCK_SIZE(1)); |