From 5ca3dfe7001452c33aa9ff323de125113a655f5d Mon Sep 17 00:00:00 2001 From: unknown Date: Wed, 24 Aug 2005 15:50:58 -0700 Subject: Make SYSDATE() behave as in Oracle: always the current datetime, not the datetime of when the current statement began. This also makes SYSDATE() not safe in replication. (Bug #12562) mysql-test/r/func_time.result: Add new results mysql-test/t/func_time.test: Add tests for new SYSDATE() behavior sql/item_timefunc.cc: Add Item_func_sysdate_local implementation sql/item_timefunc.h: Add Item_func_sysdate_local, so SYSDATE() can behave differently than NOW(). sql/lex.h: SYSDATE() is no longer an alias for NOW(). sql/sql_yacc.yy: Handle SYSDATE() --- mysql-test/t/func_time.test | 52 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) (limited to 'mysql-test/t/func_time.test') diff --git a/mysql-test/t/func_time.test b/mysql-test/t/func_time.test index 0538e6111b9..3dd7f7276fb 100644 --- a/mysql-test/t/func_time.test +++ b/mysql-test/t/func_time.test @@ -353,3 +353,55 @@ select last_day('2005-01-00'); # the 0-11 range # select time_format('100:00:00', '%H %k %h %I %l'); + +# +# Bug #12562: Make SYSDATE behave like it does in Oracle: always the current +# time, regardless of magic to make NOW() always the same for the +# entirety of a statement. +create table t1 (a timestamp default '2005-05-05 01:01:01', + b timestamp default '2005-05-05 01:01:01'); +delimiter //; +create function t_slow_sysdate() returns timestamp +begin + do sleep(2); + return sysdate(); +end; +// + +insert into t1 set a = sysdate(), b = t_slow_sysdate();// + +create trigger t_before before insert on t1 +for each row begin + set new.b = t_slow_sysdate(); +end +// + +delimiter ;// + +insert into t1 set a = sysdate(); + +select a != b from t1; + +drop trigger t_before; +drop function t_slow_sysdate; +drop table t1; + +create table t1 (a datetime, i int, b datetime); +insert into t1 select sysdate(), sleep(1), sysdate() from dual; +select a != b from t1; +drop table t1; + +delimiter //; +create procedure t_sysdate() +begin + select sysdate() into @a; + do sleep(2); + select sysdate() into @b; + select @a != @b; +end; +// +delimiter ;// +call t_sysdate(); +drop procedure t_sysdate; + +# End of 5.0 tests -- cgit v1.2.1