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0d1d0d77f2
vcols and triggers. Revert 094f4cf778,
backport the correct fix (Table_triggers_list::mark_fields_used() not
marking vcols) from 10.2.
134 lines
2.3 KiB
Plaintext
134 lines
2.3 KiB
Plaintext
SET @@session.storage_engine = 'InnoDB';
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create table t1 (a int,
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b int as (a/10),
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c int as (a/10) persistent);
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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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200 20 20
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100 10 10
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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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200 20 20
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100 10 10
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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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#
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# MDEV-3845 values of virtual columns are not computed for triggers
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#
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CREATE TABLE t1 (
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a INTEGER UNSIGNED NULL DEFAULT NULL,
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b INTEGER UNSIGNED GENERATED ALWAYS AS (a) VIRTUAL
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);
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CREATE TABLE t2 (c INTEGER UNSIGNED NOT NULL);
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CREATE TRIGGER t1_ins_aft
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AFTER INSERT
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ON t1
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FOR EACH ROW
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BEGIN
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INSERT INTO t2 (c) VALUES (NEW.b);
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END |
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CREATE TRIGGER t1_del_bef
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BEFORE DELETE
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ON t1
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FOR EACH ROW
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BEGIN
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INSERT INTO t2 (c) VALUES (OLD.b);
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END |
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INSERT INTO t1 (a) VALUES (1), (2), (3);
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SELECT * FROM t2;
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c
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1
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2
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3
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DELETE FROM t1;
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SELECT * FROM t2;
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c
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1
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2
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3
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1
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2
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3
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DROP TRIGGER t1_ins_aft;
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DROP TRIGGER t1_del_bef;
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DROP TABLE t1,t2;
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create table t1 (i int, t time not null, vt time(4) as (t) virtual);
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create trigger trg before update on t1 for each row set @a = 1;
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insert ignore into t1 (i) values (1);
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Warnings:
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Warning 1364 Field 't' doesn't have a default value
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drop table t1;
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