diff options
Diffstat (limited to 'sql/sys_vars.cc')
| -rw-r--r-- | sql/sys_vars.cc | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/sql/sys_vars.cc b/sql/sys_vars.cc index fd40f9c5f83..c20fcc4fe85 100644 --- a/sql/sys_vars.cc +++ b/sql/sys_vars.cc @@ -6192,14 +6192,13 @@ static Sys_var_mybool Sys_session_track_state_change( #endif //EMBEDDED_LIBRARY -#ifndef DBUG_OFF static Sys_var_uint Sys_in_subquery_conversion_threshold( "in_predicate_conversion_threshold", "The minimum number of scalar elements in the value list of " - "IN predicate that triggers its conversion to IN subquery", - SESSION_VAR(in_subquery_conversion_threshold), CMD_LINE(OPT_ARG), + "IN predicate that triggers its conversion to IN subquery. Set to " + "0 to disable the conversion.", + SESSION_VAR(in_subquery_conversion_threshold), CMD_LINE(REQUIRED_ARG), VALID_RANGE(0, UINT_MAX), DEFAULT(IN_SUBQUERY_CONVERSION_THRESHOLD), BLOCK_SIZE(1)); -#endif static Sys_var_enum Sys_secure_timestamp( "secure_timestamp", "Restricts direct setting of a session " |