diff options
Diffstat (limited to 'sql/sys_vars.cc')
| -rw-r--r-- | sql/sys_vars.cc | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sql/sys_vars.cc b/sql/sys_vars.cc index 1ba58bf71c4..1adc20af657 100644 --- a/sql/sys_vars.cc +++ b/sql/sys_vars.cc @@ -6378,6 +6378,22 @@ static Sys_var_mybool Sys_session_track_state_change( ON_CHECK(0), ON_UPDATE(update_session_track_state_change)); + +static bool update_session_track_user_variables(sys_var *self, THD *thd, + enum_var_type type) +{ + return thd->session_tracker.user_variables.update(thd, 0); +} + +static Sys_var_mybool Sys_session_track_user_variables( + "session_track_user_variables", + "Track changes to user variables.", + SESSION_VAR(session_track_user_variables), + CMD_LINE(OPT_ARG), DEFAULT(FALSE), + NO_MUTEX_GUARD, NOT_IN_BINLOG, + ON_CHECK(0), + ON_UPDATE(update_session_track_user_variables)); + #endif //EMBEDDED_LIBRARY static Sys_var_uint Sys_in_subquery_conversion_threshold( |