mirror of
https://github.com/MariaDB/server.git
synced 2025-10-31 15:50:51 +03:00
3435e8a515
innodb_autoinc_lock_mode = 2 innodb_buffer_pool_dump_at_shutdown = ON innodb_buffer_pool_dump_pct = 25 innodb_buffer_pool_load_at_startup = ON innodb_checksum_algorithm = CRC32 innodb_file_format = Barracuda innodb_large_prefix = ON innodb_log_compressed_pages = ON innodb_purge_threads = 4 innodb_strict_mode = ON binlog_annotate_row_events = ON binlog_format = MIXED binlog-row-event-max-size = 8192 group_concat_max_len = 1M lock_wait_timeout = 86400 log_slow_admin_statements = ON log_slow_slave_statements = ON log_warnings = 2 max_allowed_packet = 16M replicate_annotate_row_events = ON slave_net_timeout = 60 sync_binlog = 1 aria_recover = BACKUP,QUICK myisam_recover_options = BACKUP,QUICK
170 lines
4.3 KiB
Plaintext
170 lines
4.3 KiB
Plaintext
set @old_innodb_lock_wait_timeout=@@global.innodb_lock_wait_timeout;
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set global innodb_lock_wait_timeout=300;
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set session innodb_lock_wait_timeout=300;
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call mtr.add_suppression("Deadlock found when trying to get lock; try restarting transaction");
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#
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# Bug #22876 Four-way deadlock
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#
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DROP TABLE IF EXISTS t1;
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connect con1,localhost,root,,;
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connect con2,localhost,root,,;
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connect con3,localhost,root,,;
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connection con1;
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set @@autocommit=0;
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CREATE TABLE t1(s1 INT UNIQUE) ENGINE=innodb;
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INSERT INTO t1 VALUES (1);
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connection con2;
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set @@autocommit=0;
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INSERT INTO t1 VALUES (2);
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INSERT INTO t1 VALUES (1);
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connection con3;
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set @@autocommit=0;
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DROP TABLE t1;
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connection con1;
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# Connection 1 is now holding the lock.
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# Issuing insert from connection 1 while connection 2&3
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# is waiting for the lock should give a deadlock error.
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INSERT INTO t1 VALUES (2);
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ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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# Cleanup
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connection con2;
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commit;
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set @@autocommit=1;
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connection con1;
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commit;
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set @@autocommit=1;
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connection con3;
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set @@autocommit=1;
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connection default;
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disconnect con1;
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disconnect con2;
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disconnect con3;
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#
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# Test for bug #37346 "innodb does not detect deadlock between update
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# and alter table".
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#
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drop table if exists t1;
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create table t1 (c1 int primary key, c2 int, c3 int) engine=InnoDB;
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insert into t1 values (1,1,0),(2,2,0),(3,3,0),(4,4,0),(5,5,0);
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begin;
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# Run statement which acquires X-lock on one of table's rows.
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update t1 set c3=c3+1 where c2=3;
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#
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connect con37346,localhost,root,,test,,;
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connection con37346;
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# The below ALTER TABLE statement should wait till transaction
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# in connection 'default' is complete and then succeed.
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# It should not deadlock or fail with ER_LOCK_DEADLOCK error.
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# Sending:
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alter table t1 add column c4 int;;
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#
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connection default;
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# Wait until the above ALTER TABLE gets blocked because this
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# connection holds SW metadata lock on table to be altered.
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# The below statement should succeed. It should not
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# deadlock or end with ER_LOCK_DEADLOCK error.
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update t1 set c3=c3+1 where c2=4;
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# Unblock ALTER TABLE by committing transaction.
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commit;
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#
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connection con37346;
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# Reaping ALTER TABLE.
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#
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connection default;
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disconnect con37346;
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drop table t1;
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#
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# Bug#53798 OPTIMIZE TABLE breaks repeatable read
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#
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (a INT) engine=innodb;
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INSERT INTO t1 VALUES (1), (2), (3);
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connect con1, localhost, root;
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START TRANSACTION WITH CONSISTENT SNAPSHOT;
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SELECT * FROM t1;
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a
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1
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2
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3
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connection default;
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# This should block
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# Sending:
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OPTIMIZE TABLE t1;
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connection con1;
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SELECT * FROM t1;
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a
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1
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2
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3
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COMMIT;
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connection default;
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# Reaping OPTIMIZE TABLE t1
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Table Op Msg_type Msg_text
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test.t1 optimize note Table does not support optimize, doing recreate + analyze instead
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test.t1 optimize status OK
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disconnect con1;
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DROP TABLE t1;
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#
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# Bug#49891 View DDL breaks REPEATABLE READ
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#
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DROP TABLE IF EXISTS t1, t2;
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DROP VIEW IF EXISTS v2;
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CREATE TABLE t1 ( f1 INTEGER ) ENGINE = innodb;
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CREATE TABLE t2 ( f1 INTEGER );
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CREATE VIEW v1 AS SELECT 1 FROM t1;
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connect con2, localhost, root;
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connect con3, localhost, root;
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connection con3;
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LOCK TABLE t1 WRITE;
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connection default;
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START TRANSACTION;
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# Sending:
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SELECT * FROM v1;
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connection con2;
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# Waiting for 'SELECT * FROM v1' to sync in.
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# Sending:
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ALTER VIEW v1 AS SELECT 2 FROM t2;
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connection con3;
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# Waiting for 'ALTER VIEW v1 AS SELECT 2 FROM t2' to sync in.
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UNLOCK TABLES;
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connection default;
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# Reaping: SELECT * FROM v1
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1
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SELECT * FROM v1;
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1
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COMMIT;
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connection con2;
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# Reaping: ALTER VIEW v1 AS SELECT 2 FROM t2
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connection default;
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DROP TABLE t1, t2;
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DROP VIEW v1;
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disconnect con2;
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disconnect con3;
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#
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# Bug#11815600 [ERROR] INNODB COULD NOT FIND INDEX PRIMARY
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# KEY NO 0 FOR TABLE IN ERROR LOG
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#
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DROP TABLE IF EXISTS t1;
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connect con1,localhost,root;
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connection default;
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CREATE TABLE t1 (id INT PRIMARY KEY, value INT) ENGINE = InnoDB;
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INSERT INTO t1 VALUES (1, 12345);
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START TRANSACTION;
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SELECT * FROM t1;
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id value
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1 12345
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connection con1;
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SET lock_wait_timeout=1;
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ALTER TABLE t1 ADD INDEX idx(value);
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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ALTER TABLE t1 ADD INDEX idx(value);
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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connection default;
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SELECT * FROM t1;
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id value
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1 12345
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COMMIT;
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DROP TABLE t1;
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disconnect con1;
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set global innodb_lock_wait_timeout=@old_innodb_lock_wait_timeout;
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