mirror of
https://github.com/MariaDB/server.git
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94 lines
1.7 KiB
Text
94 lines
1.7 KiB
Text
SET @@session.default_storage_engine = 'MyISAM';
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create table t1 (a int,
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b int generated always as (a/10) virtual,
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c int generated always as (a/10) stored);
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create table t2 (a timestamp);
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create trigger trg1 before insert on t1 for each row
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begin
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if (new.b < 10) then
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set new.a:= 100;
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set new.b:= 9;
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set new.c:= 9;
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end if;
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if (new.c > 50) then
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set new.a:= 500;
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end if;
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end|
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create trigger trg2 after insert on t1 for each row
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begin
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if (new.b >= 60) then
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insert into t2 values (now());
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end if;
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end|
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create function f1()
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returns int
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begin
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declare sum1 int default '0';
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declare cur1 cursor for select sum(b) from t1;
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open cur1;
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fetch cur1 into sum1;
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close cur1;
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return sum1;
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end|
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set sql_warnings = 1;
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insert into t1 (a) values (200);
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select * from t1;
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a b c
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200 20 20
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select * from t2;
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a
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insert into t1 (a) values (10);
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select * from t1;
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a b c
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100 10 10
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200 20 20
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select * from t2;
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a
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insert into t1 (a) values (600);
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select * from t1;
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a b c
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100 10 10
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200 20 20
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500 50 50
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select * from t2;
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a
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select f1();
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f1()
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80
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set sql_warnings = 0;
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drop trigger trg1;
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drop trigger trg2;
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drop table t2;
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create procedure p1()
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begin
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declare i int default '0';
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create table t2 like t1;
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insert into t2 (a) values (100), (200);
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begin
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declare cur1 cursor for select sum(c) from t2;
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open cur1;
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fetch cur1 into i;
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close cur1;
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if (i=30) then
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insert into t1 values (300,default,default);
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end if;
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end;
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end|
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delete from t1;
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call p1();
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select * from t2;
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a b c
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100 10 10
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200 20 20
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select * from t1;
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a b c
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300 30 30
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drop table t1,t2;
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drop procedure p1;
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DROP VIEW IF EXISTS v1,v2;
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DROP TABLE IF EXISTS t1,t2,t3;
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DROP PROCEDURE IF EXISTS p1;
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DROP FUNCTION IF EXISTS f1;
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DROP TRIGGER IF EXISTS trg1;
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DROP TRIGGER IF EXISTS trg2;
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set sql_warnings = 0;
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