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fb2f324f85
let's disallow UPDATE IGNORE in READ COMMITTED with the table has UNIQUE constraint that is USING HASH or is WITHOUT OVERLAPS This rarely-used combination should not block a release, with be fixed in MDEV-37233
172 lines
4.9 KiB
Text
172 lines
4.9 KiB
Text
create table t1(a blob unique) engine= InnoDB;
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insert into t1 values('RUC');
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insert into t1 values ('RUC');
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ERROR 23000: Duplicate entry 'RUC' for key 'a'
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drop table t1;
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create table t1 (a blob unique , c int unique) engine=innodb;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` blob DEFAULT NULL,
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`c` int(11) DEFAULT NULL,
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UNIQUE KEY `c` (`c`),
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UNIQUE KEY `a` (`a`) USING HASH
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) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
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drop table t1;
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#test for concurrent insert of long unique in innodb
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create table t1(a blob unique) engine= InnoDB;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` blob DEFAULT NULL,
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UNIQUE KEY `a` (`a`) USING HASH
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) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
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connect 'con1', localhost, root,,;
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connect 'con2', localhost, root,,;
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connection con1;
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set innodb_lock_wait_timeout= 2;
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set transaction isolation level READ UNCOMMITTED;
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start transaction;
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insert into t1 values('RUC');
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connection con2;
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set innodb_lock_wait_timeout= 2;
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set transaction isolation level READ UNCOMMITTED;
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start transaction;
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insert into t1 values ('RUC');
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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connection con1;
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commit;
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set transaction isolation level READ COMMITTED;
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start transaction;
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insert into t1 values('RC');
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connection con2;
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commit;
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set transaction isolation level READ COMMITTED;
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start transaction;
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insert into t1 values ('RC');
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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commit;
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connection con1;
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commit;
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set transaction isolation level REPEATABLE READ;
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start transaction;
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insert into t1 values('RR');
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connection con2;
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commit;
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set transaction isolation level REPEATABLE READ;
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start transaction;
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insert into t1 values ('RR');
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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connection con1;
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commit;
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set transaction isolation level SERIALIZABLE;
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start transaction;
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insert into t1 values('S');
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connection con2;
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commit;
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set transaction isolation level SERIALIZABLE;
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start transaction;
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insert into t1 values ('S');
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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commit;
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connection con1;
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commit;
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select * from t1;
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a
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RUC
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RC
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RR
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S
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drop table t1;
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create table t1(a blob unique) engine=Innodb;
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connection con1;
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set transaction isolation level READ UNCOMMITTED;
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start transaction;
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insert into t1 values('RUC');
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connection con2;
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set transaction isolation level READ UNCOMMITTED;
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start transaction;
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insert into t1 values ('RUC');;
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connection con1;
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rollback;
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connection con2;
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commit;
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connection con1;
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set transaction isolation level READ COMMITTED;
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start transaction;
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insert into t1 values('RC');
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connection con2;
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set transaction isolation level READ COMMITTED;
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start transaction;
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insert into t1 values ('RC');;
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connection con1;
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rollback;
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connection con2;
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commit;
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connection con1;
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set transaction isolation level REPEATABLE READ;
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start transaction;
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insert into t1 values('RR');
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connection con2;
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set transaction isolation level REPEATABLE READ;
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start transaction;
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insert into t1 values ('RR');;
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connection con1;
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rollback;
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connection con2;
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commit;
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connection con1;
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set transaction isolation level SERIALIZABLE;
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start transaction;
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insert into t1 values('S');
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connection con2;
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set transaction isolation level SERIALIZABLE;
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start transaction;
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insert into t1 values ('S');;
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connection con1;
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rollback;
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connection con2;
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commit;
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connection default;
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drop table t1;
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disconnect con1;
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disconnect con2;
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# MDEV-20131 Assertion `!pk->has_virtual()' failed
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create table t1 (a text, primary key(a(1871))) engine=innodb;
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ERROR 42000: Specified key was too long; max key length is 1536 bytes
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# End of 10.4 tests
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#
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# MDEV-37268 ER_NOT_KEYFILE or assertion failure upon REPLACE into table with unique hash under READ-COMMITTED
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#
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create table t1 (id int not null primary key, f varchar(100), unique(f) using hash) engine=innodb;
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insert t1 values (1,'x');
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set transaction isolation level read committed;
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replace t1 values (2,'x');
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select * from t1;
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id f
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2 x
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drop table t1;
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create table t1 (id int, f longtext, primary key (id), unique(f)) engine=innodb partition by key (id) partitions 9;
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insert t1 (id) values (1),(2);
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set transaction isolation level read committed;
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update ignore t1 set f = 'x';
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ERROR 42000: UPDATE IGNORE in READ COMMITTED isolation mode of a table with a UNIQUE constraint USING HASH is not currently supported
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select * from t1;
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id f
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1 NULL
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2 NULL
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drop table t1;
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#
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# MDEV-37310 Non-debug failing assertion node->pcur->rel_pos == BTR_PCUR_ON upon violating long unique under READ-COMMITTED
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#
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create table t1 (id int, f blob, unique(id,f)) engine=innodb partition by key(id) partitions 2;
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insert t1 values (1,'foo'),(2,'foo');
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set transaction isolation level read committed;
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update ignore t1 set id = 2;
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ERROR 42000: UPDATE IGNORE in READ COMMITTED isolation mode of a table with a UNIQUE constraint USING HASH is not currently supported
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select * from t1;
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id f
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1 foo
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2 foo
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drop table t1;
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# End of 10.6 tests
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