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MDEV-20074: Lost connection on update trigger

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Instead of checking lex->sql_command which does not corect in case of triggers
mark tables for insert.
This commit is contained in:
Oleksandr Byelkin
2019-10-17 14:08:33 +02:00
parent 6cdde9ebbf
commit de2186dd2f
10 changed files with 305 additions and 17 deletions
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91
mysql-test/suite/sql_sequence/other.result
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@ -209,4 +209,95 @@ delete s,t1 from t1,s;
ERROR HY000: Storage engine SEQUENCE of the table `test`.`s` doesn't have this option
DROP SEQUENCE s;
DROP TABLE t1;
#
# MDEV-20074: Lost connection on update trigger
#
# INSERT & table
create sequence s1 increment by 1 start with 1;
create table t1 (p_id integer, p_name varchar(128), p_first_name varchar(128));
create table t2 (a_id integer default nextval(s1), a_p_name varchar(128), a_p_first_name varchar(128), t timestamp default current_timestamp);
insert into t1 values
(1, 'Luo','Frank'),(2, 'Xe','Emma'),(3, 'Li','Anna'),(4, 'Lun','Serg'),(5, 'Xu','Nils'),(6, 'Ja','Ute'),(7, 'Jin','Mike'),(8, 'Lio','Carl'),(9, 'Lang','Kevin'),(10, 'Ling','Lisa'),(11, 'Fang','Frank'),(12, 'Feng','Emma'),(13, 'Tuo','Anna'),(14, 'Tua','Serg'),(15, 'Moa','Nils'),(16, 'Hua','Ute'),(17, 'Xufa','Mike'),(18, 'Lulu','Carl'),(19, 'Hoho','Kevin'),(20, 'Tata','Lisa');
CREATE TRIGGER tr_upd
BEFORE UPDATE on t1
FOR EACH ROW
BEGIN
INSERT INTO t2(a_p_name, a_p_first_name) VALUES(old.p_name, old.p_first_name);
END;
$$
update t1 set p_first_name='Yunxi' where p_id=1;
drop sequence s1;
drop table t1,t2;
# INSERT & view
create sequence s1 increment by 1 start with 1;
create table t1 (p_id integer, p_name varchar(128), p_first_name varchar(128));
create table t2 (a_id integer default nextval(s1), a_p_name varchar(128), a_p_first_name varchar(128), t timestamp default current_timestamp);
create view v2 as select * from t2;
insert into t1 values
(1, 'Luo','Frank'),(2, 'Xe','Emma'),(3, 'Li','Anna'),(4, 'Lun','Serg'),(5, 'Xu','Nils'),(6, 'Ja','Ute'),(7, 'Jin','Mike'),(8, 'Lio','Carl'),(9, 'Lang','Kevin'),(10, 'Ling','Lisa'),(11, 'Fang','Frank'),(12, 'Feng','Emma'),(13, 'Tuo','Anna'),(14, 'Tua','Serg'),(15, 'Moa','Nils'),(16, 'Hua','Ute'),(17, 'Xufa','Mike'),(18, 'Lulu','Carl'),(19, 'Hoho','Kevin'),(20, 'Tata','Lisa');
CREATE TRIGGER tr_upd
BEFORE UPDATE on t1
FOR EACH ROW
BEGIN
INSERT INTO v2(a_p_name, a_p_first_name) VALUES(old.p_name, old.p_first_name);
END;
$$
update t1 set p_first_name='Yunxi' where p_id=1;
drop view v2;
drop table t1,t2;
drop sequence s1;
# INSERT SELECT & view
create sequence s1 increment by 1 start with 1;
create table t1 (p_id integer, p_name varchar(128), p_first_name varchar(128));
create table t2 (a_id integer default nextval(s1), a_p_name varchar(128), a_p_first_name varchar(128), t timestamp default current_timestamp);
create view v2 as select * from t2;
insert into t1 values
(1, 'Luo','Frank'),(2, 'Xe','Emma'),(3, 'Li','Anna'),(4, 'Lun','Serg'),(5, 'Xu','Nils'),(6, 'Ja','Ute'),(7, 'Jin','Mike'),(8, 'Lio','Carl'),(9, 'Lang','Kevin'),(10, 'Ling','Lisa'),(11, 'Fang','Frank'),(12, 'Feng','Emma'),(13, 'Tuo','Anna'),(14, 'Tua','Serg'),(15, 'Moa','Nils'),(16, 'Hua','Ute'),(17, 'Xufa','Mike'),(18, 'Lulu','Carl'),(19, 'Hoho','Kevin'),(20, 'Tata','Lisa');
CREATE TRIGGER tr_upd
BEFORE UPDATE on t1
FOR EACH ROW
BEGIN
INSERT INTO v2(a_p_name, a_p_first_name) SELECT old.p_name, old.p_first_name;
END;
$$
update t1 set p_first_name='Yunxi' where p_id=1;
drop view v2;
drop table t1,t2;
drop sequence s1;
# REPLACE & view
create sequence s1 increment by 1 start with 1;
create table t1 (p_id integer, p_name varchar(128), p_first_name varchar(128));
create table t2 (a_id integer default nextval(s1), a_p_name varchar(128), a_p_first_name varchar(128), t timestamp default current_timestamp);
create view v2 as select * from t2;
insert into t1 values
(1, 'Luo','Frank'),(2, 'Xe','Emma'),(3, 'Li','Anna'),(4, 'Lun','Serg'),(5, 'Xu','Nils'),(6, 'Ja','Ute'),(7, 'Jin','Mike'),(8, 'Lio','Carl'),(9, 'Lang','Kevin'),(10, 'Ling','Lisa'),(11, 'Fang','Frank'),(12, 'Feng','Emma'),(13, 'Tuo','Anna'),(14, 'Tua','Serg'),(15, 'Moa','Nils'),(16, 'Hua','Ute'),(17, 'Xufa','Mike'),(18, 'Lulu','Carl'),(19, 'Hoho','Kevin'),(20, 'Tata','Lisa');
CREATE TRIGGER tr_upd
BEFORE UPDATE on t1
FOR EACH ROW
BEGIN
REPLACE INTO v2(a_p_name, a_p_first_name) VALUES(old.p_name, old.p_first_name);
END;
$$
update t1 set p_first_name='Yunxi' where p_id=1;
drop view v2;
drop table t1,t2;
drop sequence s1;
# REPLACE SELECT & view
create sequence s1 increment by 1 start with 1;
create table t1 (p_id integer, p_name varchar(128), p_first_name varchar(128));
create table t2 (a_id integer default nextval(s1), a_p_name varchar(128), a_p_first_name varchar(128), t timestamp default current_timestamp);
create view v2 as select * from t2;
insert into t1 values
(1, 'Luo','Frank'),(2, 'Xe','Emma'),(3, 'Li','Anna'),(4, 'Lun','Serg'),(5, 'Xu','Nils'),(6, 'Ja','Ute'),(7, 'Jin','Mike'),(8, 'Lio','Carl'),(9, 'Lang','Kevin'),(10, 'Ling','Lisa'),(11, 'Fang','Frank'),(12, 'Feng','Emma'),(13, 'Tuo','Anna'),(14, 'Tua','Serg'),(15, 'Moa','Nils'),(16, 'Hua','Ute'),(17, 'Xufa','Mike'),(18, 'Lulu','Carl'),(19, 'Hoho','Kevin'),(20, 'Tata','Lisa');
CREATE TRIGGER tr_upd
BEFORE UPDATE on t1
FOR EACH ROW
BEGIN
REPLACE INTO v2(a_p_name, a_p_first_name) SELECT old.p_name, old.p_first_name;
END;
$$
update t1 set p_first_name='Yunxi' where p_id=1;
drop view v2;
drop table t1,t2;
drop sequence s1;
# End of 10.3 tests