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################################################################################
# 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 <timestamp>
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;
|
