mirror of
https://github.com/MariaDB/server.git
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127 lines
2.7 KiB
Plaintext
127 lines
2.7 KiB
Plaintext
--source include/have_innodb.inc
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--source include/not_embedded.inc
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--echo #
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--echo # Bug #18806829 OPENING INNODB TABLES WITH MANY FOREIGN KEY
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--echo # REFERENCES IS SLOW/CRASHES SEMAPHORE
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--echo #
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create table t1 (f1 int primary key) engine=innodb;
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insert into t1 values (5);
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insert into t1 values (2882);
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insert into t1 values (10);
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let $fk_tables = 120;
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--disable_query_log
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let $i = $fk_tables;
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while ($i)
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{
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eval create table fk_$i (f1 int primary key,
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constraint pc$i foreign key (f1) references t1(f1)
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on delete cascade on update cascade) engine=innodb;
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eval insert into fk_$i values (5);
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eval insert into fk_$i values (2882);
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eval insert into fk_$i values (10);
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dec $i;
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}
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--enable_query_log
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--source include/restart_mysqld.inc
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update t1 set f1 = 28 where f1 = 2882;
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select * from fk_120;
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select * from fk_1;
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select * from fk_50;
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--disable_query_log
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let $i = $fk_tables;
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while ($i)
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{
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eval drop table fk_$i;
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dec $i;
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}
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--enable_query_log
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drop table t1;
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--echo #
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--echo # Check if restrict is working fine.
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--echo #
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create table t1 (f1 int primary key) engine=innodb;
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let $fk_tables = 30;
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--disable_query_log
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let $i = $fk_tables;
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while ($i)
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{
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eval create table fk_$i (f1 int primary key,
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constraint pc$i foreign key (f1) references t1(f1)
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on delete restrict on update restrict) engine=innodb;
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eval insert into t1 values ($i);
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eval insert into fk_$i values ($i);
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dec $i;
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}
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--enable_query_log
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--source include/restart_mysqld.inc
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--error ER_ROW_IS_REFERENCED_2
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delete from t1 where f1 = 29;
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select * from fk_29;
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--disable_query_log
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let $i = $fk_tables;
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while ($i)
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{
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eval drop table fk_$i;
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dec $i;
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}
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--enable_query_log
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drop table t1;
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#
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# MDEV-7672: Crash creating an InnoDB table with foreign keys
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#
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CREATE TABLE t1 (
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id int(11) NOT NULL AUTO_INCREMENT,
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f1 int(11) DEFAULT NULL,
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PRIMARY KEY (id),
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CONSTRAINT fk1 FOREIGN KEY (f1) REFERENCES t1 (id) ON DELETE CASCADE
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) ENGINE=InnoDB;
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--error 1005
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CREATE TABLE t2 (
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id int(11) NOT NULL AUTO_INCREMENT,
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f2 int(11) NOT NULL,
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f3 int(11) NOT NULL,
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PRIMARY KEY (`id`),
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CONSTRAINT fk2 FOREIGN KEY (f2) REFERENCES t1 (`id`) ON DELETE CASCADE,
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CONSTRAINT fk3 FOREIGN KEY (f3) REFERENCES t3 (id) ON DELETE CASCADE
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) ENGINE=InnoDB;
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show warnings;
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CREATE TABLE t2 (
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id int(11) NOT NULL AUTO_INCREMENT,
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f2 int(11) NOT NULL,
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f3 int(11) NOT NULL,
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PRIMARY KEY (`id`),
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CONSTRAINT fk2 FOREIGN KEY (f2) REFERENCES t1 (`id`) ON DELETE CASCADE
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) ENGINE=InnoDB;
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--replace_regex /#sql-[0-9_a-f-]*/#sql-temporary/
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--error 1005
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ALTER TABLE t2 ADD CONSTRAINT fk3 FOREIGN KEY (f3) REFERENCES t3 (id) ON DELETE CASCADE;
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--replace_regex /#sql-[0-9_a-f-]*/#sql-temporary/
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show warnings;
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drop table t2;
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drop table t1;
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