mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 03:52:35 +01:00
45bc7574fb
Remove usage of deprecated variable storage_engine. It was deprecated in 5.5 but it never issued a deprecation warning. Make it issue a warning in 10.5.1. Replaced with default_storage_engine.
316 lines
6.6 KiB
Text
316 lines
6.6 KiB
Text
SET @@session.default_storage_engine = 'InnoDB';
|
|
create table t1 (a int,
|
|
b int as (a/10),
|
|
c int as (a/10) persistent);
|
|
create table t2 (a timestamp);
|
|
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|
|
|
set sql_warnings = 1;
|
|
insert into t1 (a) values (200);
|
|
select * from t1;
|
|
a b c
|
|
200 20 20
|
|
select * from t2;
|
|
a
|
|
insert into t1 (a) values (10);
|
|
select * from t1;
|
|
a b c
|
|
200 20 20
|
|
100 10 10
|
|
select * from t2;
|
|
a
|
|
insert into t1 (a) values (600);
|
|
select * from t1;
|
|
a b c
|
|
200 20 20
|
|
100 10 10
|
|
500 50 50
|
|
select * from t2;
|
|
a
|
|
select f1();
|
|
f1()
|
|
80
|
|
set sql_warnings = 0;
|
|
drop trigger trg1;
|
|
drop trigger trg2;
|
|
drop table t2;
|
|
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|
|
|
delete from t1;
|
|
call p1();
|
|
select * from t2;
|
|
a b c
|
|
100 10 10
|
|
200 20 20
|
|
select * from t1;
|
|
a b c
|
|
300 30 30
|
|
drop table t1,t2;
|
|
drop procedure p1;
|
|
#
|
|
# MDEV-3845 values of virtual columns are not computed for triggers
|
|
#
|
|
CREATE TABLE t1 (
|
|
a INTEGER UNSIGNED NULL DEFAULT NULL,
|
|
b INTEGER UNSIGNED GENERATED ALWAYS AS (a) VIRTUAL
|
|
);
|
|
CREATE TABLE t2 (c INTEGER UNSIGNED NOT NULL);
|
|
CREATE TRIGGER t1_ins_aft
|
|
AFTER INSERT
|
|
ON t1
|
|
FOR EACH ROW
|
|
BEGIN
|
|
INSERT INTO t2 (c) VALUES (NEW.b);
|
|
END |
|
|
CREATE TRIGGER t1_del_bef
|
|
BEFORE DELETE
|
|
ON t1
|
|
FOR EACH ROW
|
|
BEGIN
|
|
INSERT INTO t2 (c) VALUES (OLD.b);
|
|
END |
|
|
INSERT INTO t1 (a) VALUES (1), (2), (3);
|
|
SELECT * FROM t2;
|
|
c
|
|
1
|
|
2
|
|
3
|
|
DELETE FROM t1;
|
|
SELECT * FROM t2;
|
|
c
|
|
1
|
|
2
|
|
3
|
|
1
|
|
2
|
|
3
|
|
DROP TRIGGER t1_ins_aft;
|
|
DROP TRIGGER t1_del_bef;
|
|
DROP TABLE t1,t2;
|
|
create table t1 (i int, t time not null, vt time(4) as (t) virtual);
|
|
create trigger trg before update on t1 for each row set @a = 1;
|
|
insert ignore into t1 (i) values (1);
|
|
Warnings:
|
|
Warning 1364 Field 't' doesn't have a default value
|
|
drop table t1;
|
|
#
|
|
# Examine the number of times triggers are recalculated for updates
|
|
#
|
|
SET sql_mode = 'NO_ENGINE_SUBSTITUTION';
|
|
CREATE TABLE t1 (
|
|
a INTEGER UNSIGNED NULL DEFAULT NULL,
|
|
b CHAR(10) NULL DEFAULT NULL,
|
|
c blob NULL DEFAULT NULL,
|
|
blob_a blob GENERATED ALWAYS AS (last_value(@a:=@a+1,a)) VIRTUAL,
|
|
blob_b blob GENERATED ALWAYS AS (last_value(@b:=@b+1,b)) VIRTUAL,
|
|
blob_c blob GENERATED ALWAYS AS (last_value(@c:=@c+1,c)) VIRTUAL
|
|
);
|
|
CREATE TRIGGER t1_ins
|
|
BEFORE INSERT
|
|
ON t1
|
|
FOR EACH ROW
|
|
BEGIN
|
|
IF NEW.b IS NULL THEN
|
|
SET NEW.b="generated before insert";
|
|
END IF;
|
|
END |
|
|
CREATE TRIGGER t1_update
|
|
BEFORE UPDATE
|
|
ON t1
|
|
FOR EACH ROW
|
|
BEGIN
|
|
IF NEW.b IS NULL or NEW.c IS NULL THEN
|
|
SET NEW.b="generated before update";
|
|
SET NEW.c="generated before update";
|
|
END IF;
|
|
END |
|
|
# Inserts
|
|
set @a=0,@b=0,@c=0;
|
|
insert into t1 (a) values(1);
|
|
insert into t1 (a,b) values(2, "*2*");
|
|
insert into t1 (a,b,c) values(3, "*3*", "**3**");
|
|
insert into t1 (a,c) values(4, "**4**");
|
|
select * from t1;
|
|
a b c blob_a blob_b blob_c
|
|
1 generated NULL 1 generated NULL
|
|
2 *2* NULL 2 *2* NULL
|
|
3 *3* **3** 3 *3* **3**
|
|
4 generated **4** 4 generated **4**
|
|
select @a,@b,@c;
|
|
@a @b @c
|
|
4 4 4
|
|
select * from t1;
|
|
a b c blob_a blob_b blob_c
|
|
1 generated NULL 1 generated NULL
|
|
2 *2* NULL 2 *2* NULL
|
|
3 *3* **3** 3 *3* **3**
|
|
4 generated **4** 4 generated **4**
|
|
select @a,@b,@c;
|
|
@a @b @c
|
|
8 8 8
|
|
select a,b,c from t1;
|
|
a b c
|
|
1 generated NULL
|
|
2 *2* NULL
|
|
3 *3* **3**
|
|
4 generated **4**
|
|
select @a,@b,@c;
|
|
@a @b @c
|
|
8 8 8
|
|
select a,b,c,blob_a from t1;
|
|
a b c blob_a
|
|
1 generated NULL 1
|
|
2 *2* NULL 2
|
|
3 *3* **3** 3
|
|
4 generated **4** 4
|
|
select @a,@b,@c;
|
|
@a @b @c
|
|
12 8 8
|
|
# updates
|
|
set @a=0,@b=0,@c=0;
|
|
update t1 set a=a+100 where a=1;
|
|
update t1 set a=a+100, b="*102*" where a=2;
|
|
update t1 set a=a+100, b=NULL where a=3;
|
|
update t1 set a=a+100, b="invisible", c=NULL where a=4;
|
|
select @a,@b,@c;
|
|
@a @b @c
|
|
0 0 0
|
|
select * from t1;
|
|
a b c blob_a blob_b blob_c
|
|
101 generated generated before update 101 generated generated before update
|
|
102 generated generated before update 102 generated generated before update
|
|
103 generated generated before update 103 generated generated before update
|
|
104 generated generated before update 104 generated generated before update
|
|
drop trigger t1_ins;
|
|
drop trigger t1_update;
|
|
drop table t1;
|
|
SET sql_mode = DEFAULT;
|
|
#
|
|
# Same test, but with virtual keys
|
|
#
|
|
SET sql_mode = 'NO_ENGINE_SUBSTITUTION';
|
|
CREATE TABLE t1 (
|
|
a INTEGER UNSIGNED NULL DEFAULT NULL,
|
|
b CHAR(10) NULL DEFAULT NULL,
|
|
c blob NULL DEFAULT NULL,
|
|
blob_a blob GENERATED ALWAYS AS (a) VIRTUAL,
|
|
blob_b blob GENERATED ALWAYS AS (RTRIM(b)) VIRTUAL,
|
|
blob_c blob GENERATED ALWAYS AS (c) VIRTUAL,
|
|
key (a),
|
|
key (blob_a(10)),
|
|
key (blob_b(10)),
|
|
key (blob_c(10))
|
|
);
|
|
CREATE TRIGGER t1_ins
|
|
BEFORE INSERT
|
|
ON t1
|
|
FOR EACH ROW
|
|
BEGIN
|
|
IF NEW.b IS NULL THEN
|
|
SET NEW.b="generated before insert";
|
|
END IF;
|
|
END |
|
|
CREATE TRIGGER t1_update
|
|
BEFORE UPDATE
|
|
ON t1
|
|
FOR EACH ROW
|
|
BEGIN
|
|
IF NEW.b IS NULL or NEW.c IS NULL THEN
|
|
SET NEW.b="generated before update";
|
|
SET NEW.c="generated before update";
|
|
END IF;
|
|
END |
|
|
# Inserts
|
|
insert into t1 (a) values(1);
|
|
insert into t1 (a,b) values(2, "*2*");
|
|
insert into t1 (a,b,c) values(3, "*3*", "**3**");
|
|
insert into t1 (a,c) values(4, "**4**");
|
|
select * from t1;
|
|
a b c blob_a blob_b blob_c
|
|
1 generated NULL 1 generated NULL
|
|
2 *2* NULL 2 *2* NULL
|
|
3 *3* **3** 3 *3* **3**
|
|
4 generated **4** 4 generated **4**
|
|
select @a,@b,@c;
|
|
@a @b @c
|
|
4 4 4
|
|
select * from t1;
|
|
a b c blob_a blob_b blob_c
|
|
1 generated NULL 1 generated NULL
|
|
2 *2* NULL 2 *2* NULL
|
|
3 *3* **3** 3 *3* **3**
|
|
4 generated **4** 4 generated **4**
|
|
select @a,@b,@c;
|
|
@a @b @c
|
|
4 4 4
|
|
select a,b,c from t1;
|
|
a b c
|
|
1 generated NULL
|
|
2 *2* NULL
|
|
3 *3* **3**
|
|
4 generated **4**
|
|
select @a,@b,@c;
|
|
@a @b @c
|
|
4 4 4
|
|
select a,b,c,blob_a from t1;
|
|
a b c blob_a
|
|
1 generated NULL 1
|
|
2 *2* NULL 2
|
|
3 *3* **3** 3
|
|
4 generated **4** 4
|
|
select @a,@b,@c;
|
|
@a @b @c
|
|
4 4 4
|
|
# updates
|
|
update t1 set a=a+100 where a=1;
|
|
update t1 set a=a+100, b="*102*" where a=2;
|
|
update t1 set a=a+100, b=NULL where a=3;
|
|
update t1 set a=a+100, b="invisible", c=NULL where a=4;
|
|
select * from t1;
|
|
a b c blob_a blob_b blob_c
|
|
101 generated generated before update 101 generated generated before update
|
|
102 generated generated before update 102 generated generated before update
|
|
103 generated generated before update 103 generated generated before update
|
|
104 generated generated before update 104 generated generated before update
|
|
drop trigger t1_ins;
|
|
drop trigger t1_update;
|
|
drop table t1;
|
|
SET sql_mode = DEFAULT;
|