################################################################################ # inc/gcol_trigger_sp.inc # # # # Purpose: # # Testing triggers, stored procedures and functions # # defined on tables with generated columns. # # # # # # # #------------------------------------------------------------------------------# # Original Author: Andrey Zhakov # # Original Date: 2008-09-04 # # Change Author: # # Change Date: # # Change: # ################################################################################ create table t1 (a int, b int generated always as (a/10) virtual, c int generated always as (a/10) stored); create table t2 (a timestamp); delimiter |; create trigger trg1 before insert on t1 for each row begin if (new.b < 10) then set new.a:= 100; set new.b:= 9; set new.c:= 9; end if; if (new.c > 50) then set new.a:= 500; end if; end| create trigger trg2 after insert on t1 for each row begin if (new.b >= 60) then insert into t2 values (now()); end if; end| create function f1() returns int begin declare sum1 int default '0'; declare cur1 cursor for select sum(b) from t1; open cur1; fetch cur1 into sum1; close cur1; return sum1; end| delimiter ;| set sql_warnings = 1; insert into t1 (a) values (200); select * from t1; select * from t2; insert into t1 (a) values (10); --sorted_result select * from t1; select * from t2; insert into t1 (a) values (600); --sorted_result select * from t1; --replace_column 1 select * from t2; select f1(); set sql_warnings = 0; drop trigger trg1; drop trigger trg2; drop table t2; delimiter |; create procedure p1() begin declare i int default '0'; create table t2 like t1; insert into t2 (a) values (100), (200); begin declare cur1 cursor for select sum(c) from t2; open cur1; fetch cur1 into i; close cur1; if (i=30) then insert into t1 values (300,default,default); end if; end; end| delimiter ;| delete from t1; call p1(); --sorted_result select * from t2; --sorted_result select * from t1; drop table t1,t2; drop procedure p1;