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| author | unknown <timour@askmonty.org> | 2012-06-06 22:26:40 +0300 |
|---|---|---|
| committer | unknown <timour@askmonty.org> | 2012-06-06 22:26:40 +0300 |
| commit | c2677de7aca09a0ba4b680b5227bda3865ab9290 (patch) | |
| tree | 980157e9eaf1062641572da371d1ae7fcc371625 /sql/sys_vars.cc | |
| parent | 8efc63ba5d32b77501226921ee503b9ae513a365 (diff) | |
| parent | 7ddd5418d01e60dba2ae69a668e7c9f811613451 (diff) | |
| download | mariadb-git-c2677de7aca09a0ba4b680b5227bda3865ab9290.tar.gz | |
Merge the fix for 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 c8af1422388..b244f75a157 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)); |