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Fix for BUG#24432
"INSERT... ON DUPLICATE KEY UPDATE skips auto_increment values". When in an INSERT ON DUPLICATE KEY UPDATE, using an autoincrement column, we inserted some autogenerated values and also updated some rows, some autogenerated values were not used (for example, even if 10 was the largest autoinc value in the table at the start of the statement, 12 could be the first autogenerated value inserted by the statement, instead of 11). One autogenerated value was lost per updated row. Led to exhausting the range of the autoincrement column faster. Bug introduced by fix of BUG#20188; present since 5.0.24 and 5.1.12. This bug breaks replication from a pre-5.0.24 master. But the present bugfix, as it makes INSERT ON DUP KEY UPDATE behave like pre-5.0.24, breaks replication from a [5.0.24,5.0.34] master to a fixed (5.0.36) slave! To warn users against this when they upgrade their slave, as agreed with the support team, we add code for a fixed slave to detect that it is connected to a buggy master in a situation (INSERT ON DUP KEY UPDATE into autoinc column) likely to break replication, in which case it cannot replicate so stops and prints a message to the slave's error log and to SHOW SLAVE STATUS. For 5.0.36->[5.0.24,5.0.34] replication we cannot warn as master does not know the slave's version (but we always recommended to users to have slave at least as new as master). As agreed with support, I'll also ask for an alert to be put into the MySQL Network Monitoring and Advisory Service. mysql-test/r/rpl_insert_id.result: results to check the bugfix; without the bugfix, you would see, in master and slave: "3,2" instead of "2,2" for the INSERT VALUES testcase, "11,6,..." instead of "6,6,..." for the INSERT SELECT testcase. mysql-test/t/rpl_insert_id.test: testing that BUG#24432 is fixed sql/log_event.cc: A trick to force the master to pretend it is old and features BUG#24432. To do fast lookups in the list of known bugs by version, we compute the 3 X.Y.Z numbers from the master's version string and cache that into a new member Format_description_log_event::server_version_split. We do this computation in the event's two constructors. A simple prevention against buffer overrun when reading the master's version from a binlog event (assume the event is corrupted on disk, and so the version string on disk is longer than ST_SERVER_VER_LEN (50), then we would not get a closing 0 at the end of the class member. sql/log_event.h: new member to hold the "split server version" (3 numbers X.Y.Z), and a method to compute this from the version string. sql/slave.cc: a function which tells, based on master's version (as found in the Format_description event in the relay log being executed), if master can have a certain bug. This function uses a list of bug_id / first_version_with_bug / first_version_with_fix. If the test is positive, a short error message is put into SHOW SLAVE STATUS, and a verbose message is put into the slave's error log. The caller is expected to stop the slave in this case. sql/slave.h: new function to test if the replication master has a bug sql/sql_insert.cc: Fix for BUG#24432:t he reason was a misplaced restore_auto_increment() (misplaced when fixing BUG#20188). Indeed, when updating the row, it is clear that the autogenerated auto_increment value will not be used for this row (and if by "chance" the autoinc value present in the updated row is >= to the not used autogenerated value, adjust_next_insert_id_after_explicit_value() will fix next_insert_id). We also add code for a fixed slave to detect that it is connected to a buggy master (in which case it cannot replicate so stops). mysql-test/r/rpl_known_bugs_detection.result: see that SHOW SLAVE STATUS prints information that slave found a bug in master, and does not execute the dangerous event (table stays empty). mysql-test/t/rpl_known_bugs_detection-master.opt: pass debug symbol to make the master pretend it has BUG#24432 mysql-test/t/rpl_known_bugs_detection.test: new test to see if bug detection by slave works
This commit is contained in:
parent
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commit
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10 changed files with 458 additions and 1 deletions
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@ -234,6 +234,64 @@ n b
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2 100
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2 100
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3 350
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3 350
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drop table t1;
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drop table t1;
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CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b INT,
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UNIQUE(b));
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INSERT INTO t1(b) VALUES(1),(1),(2) ON DUPLICATE KEY UPDATE t1.b=10;
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SELECT * FROM t1;
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a b
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1 10
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2 2
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SELECT * FROM t1;
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a b
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1 10
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2 2
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drop table t1;
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CREATE TABLE t1 (
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id bigint(20) unsigned NOT NULL auto_increment,
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field_1 int(10) unsigned NOT NULL,
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field_2 varchar(255) NOT NULL,
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field_3 varchar(255) NOT NULL,
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PRIMARY KEY (id),
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UNIQUE KEY field_1 (field_1, field_2)
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);
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CREATE TABLE t2 (
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field_a int(10) unsigned NOT NULL,
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field_b varchar(255) NOT NULL,
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field_c varchar(255) NOT NULL
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);
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (1, 'a', '1a');
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (2, 'b', '2b');
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (3, 'c', '3c');
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (4, 'd', '4d');
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (5, 'e', '5e');
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INSERT INTO t1 (field_1, field_2, field_3)
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SELECT t2.field_a, t2.field_b, t2.field_c
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FROM t2
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ON DUPLICATE KEY UPDATE
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t1.field_3 = t2.field_c;
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (6, 'f', '6f');
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INSERT INTO t1 (field_1, field_2, field_3)
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SELECT t2.field_a, t2.field_b, t2.field_c
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FROM t2
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ON DUPLICATE KEY UPDATE
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t1.field_3 = t2.field_c;
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SELECT * FROM t1;
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id field_1 field_2 field_3
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1 1 a 1a
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2 2 b 2b
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3 3 c 3c
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4 4 d 4d
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5 5 e 5e
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6 6 f 6f
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SELECT * FROM t1;
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id field_1 field_2 field_3
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1 1 a 1a
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2 2 b 2b
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3 3 c 3c
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4 4 d 4d
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5 5 e 5e
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6 6 f 6f
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drop table t1, t2;
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DROP PROCEDURE IF EXISTS p1;
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DROP PROCEDURE IF EXISTS p1;
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DROP TABLE IF EXISTS t1, t2;
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DROP TABLE IF EXISTS t1, t2;
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SELECT LAST_INSERT_ID(0);
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SELECT LAST_INSERT_ID(0);
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133
mysql-test/r/rpl_known_bugs_detection.result
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133
mysql-test/r/rpl_known_bugs_detection.result
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@ -0,0 +1,133 @@
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stop slave;
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drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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reset master;
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reset slave;
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drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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start slave;
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CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b INT,
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UNIQUE(b));
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INSERT INTO t1(b) VALUES(1),(1),(2) ON DUPLICATE KEY UPDATE t1.b=10;
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SELECT * FROM t1;
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a b
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1 10
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2 2
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show slave status;;
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Slave_IO_State #
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Master_Host 127.0.0.1
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Master_User root
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Master_Port #
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Connect_Retry 1
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Master_Log_File master-bin.000001
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Read_Master_Log_Pos #
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Relay_Log_File #
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Relay_Log_Pos #
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Relay_Master_Log_File master-bin.000001
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Slave_IO_Running Yes
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Slave_SQL_Running No
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Replicate_Do_DB
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Replicate_Ignore_DB
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Replicate_Do_Table
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Replicate_Ignore_Table
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Replicate_Wild_Do_Table
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Replicate_Wild_Ignore_Table
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Last_Errno 1105
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Last_Error Error 'master may suffer from http://bugs.mysql.com/bug.php?id=24432 so slave stops; check error log on slave for more info' on query. Default database: 'test'. Query: 'INSERT INTO t1(b) VALUES(1),(1),(2) ON DUPLICATE KEY UPDATE t1.b=10'
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Skip_Counter 0
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Exec_Master_Log_Pos 238
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Relay_Log_Space #
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Until_Condition None
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Until_Log_File
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Until_Log_Pos 0
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Master_SSL_Allowed No
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Master_SSL_CA_File
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Master_SSL_CA_Path
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Master_SSL_Cert
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Master_SSL_Cipher
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Master_SSL_Key
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Seconds_Behind_Master #
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SELECT * FROM t1;
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a b
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stop slave;
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reset slave;
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reset master;
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drop table t1;
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start slave;
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CREATE TABLE t1 (
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id bigint(20) unsigned NOT NULL auto_increment,
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field_1 int(10) unsigned NOT NULL,
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field_2 varchar(255) NOT NULL,
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field_3 varchar(255) NOT NULL,
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PRIMARY KEY (id),
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UNIQUE KEY field_1 (field_1, field_2)
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);
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CREATE TABLE t2 (
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field_a int(10) unsigned NOT NULL,
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field_b varchar(255) NOT NULL,
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field_c varchar(255) NOT NULL
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);
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (1, 'a', '1a');
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (2, 'b', '2b');
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (3, 'c', '3c');
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (4, 'd', '4d');
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (5, 'e', '5e');
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INSERT INTO t1 (field_1, field_2, field_3)
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SELECT t2.field_a, t2.field_b, t2.field_c
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FROM t2
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ON DUPLICATE KEY UPDATE
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t1.field_3 = t2.field_c;
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (6, 'f', '6f');
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INSERT INTO t1 (field_1, field_2, field_3)
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SELECT t2.field_a, t2.field_b, t2.field_c
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FROM t2
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ON DUPLICATE KEY UPDATE
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t1.field_3 = t2.field_c;
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SELECT * FROM t1;
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id field_1 field_2 field_3
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1 1 a 1a
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2 2 b 2b
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3 3 c 3c
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4 4 d 4d
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5 5 e 5e
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6 6 f 6f
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show slave status;;
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Slave_IO_State #
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Master_Host 127.0.0.1
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Master_User root
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Master_Port #
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Connect_Retry 1
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Master_Log_File master-bin.000001
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Read_Master_Log_Pos #
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Relay_Log_File #
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Relay_Log_Pos #
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Relay_Master_Log_File master-bin.000001
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Slave_IO_Running Yes
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Slave_SQL_Running No
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Replicate_Do_DB
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Replicate_Ignore_DB
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Replicate_Do_Table
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Replicate_Ignore_Table
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Replicate_Wild_Do_Table
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Replicate_Wild_Ignore_Table
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Last_Errno 1105
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Last_Error Error 'master may suffer from http://bugs.mysql.com/bug.php?id=24432 so slave stops; check error log on slave for more info' on query. Default database: 'test'. Query: 'INSERT INTO t1 (field_1, field_2, field_3)
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SELECT t2.field_a, t2.field_b, t2.field_c
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FROM t2
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ON DUPLICATE KEY UPDATE
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t1.field_3 = t2.field_c'
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Skip_Counter 0
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Exec_Master_Log_Pos 1270
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Relay_Log_Space #
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Until_Condition None
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Until_Log_File
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Until_Log_Pos 0
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Master_SSL_Allowed No
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Master_SSL_CA_File
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Master_SSL_CA_Path
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Master_SSL_Cert
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Master_SSL_Cipher
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Master_SSL_Key
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Seconds_Behind_Master #
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SELECT * FROM t1;
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id field_1 field_2 field_3
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drop table t1, t2;
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drop table t1, t2;
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@ -245,6 +245,59 @@ select * from t1 order by n;
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connection master;
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connection master;
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drop table t1;
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drop table t1;
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#
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# BUG#24432 "INSERT... ON DUPLICATE KEY UPDATE skips auto_increment values"
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#
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# testcase with INSERT VALUES
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CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b INT,
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UNIQUE(b));
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INSERT INTO t1(b) VALUES(1),(1),(2) ON DUPLICATE KEY UPDATE t1.b=10;
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SELECT * FROM t1;
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sync_slave_with_master;
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SELECT * FROM t1;
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connection master;
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drop table t1;
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# tescase with INSERT SELECT
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CREATE TABLE t1 (
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id bigint(20) unsigned NOT NULL auto_increment,
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field_1 int(10) unsigned NOT NULL,
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field_2 varchar(255) NOT NULL,
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field_3 varchar(255) NOT NULL,
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PRIMARY KEY (id),
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UNIQUE KEY field_1 (field_1, field_2)
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);
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CREATE TABLE t2 (
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field_a int(10) unsigned NOT NULL,
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field_b varchar(255) NOT NULL,
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field_c varchar(255) NOT NULL
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);
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (1, 'a', '1a');
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (2, 'b', '2b');
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (3, 'c', '3c');
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (4, 'd', '4d');
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (5, 'e', '5e');
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# Updating table t1 based on values from table t2
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INSERT INTO t1 (field_1, field_2, field_3)
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SELECT t2.field_a, t2.field_b, t2.field_c
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FROM t2
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ON DUPLICATE KEY UPDATE
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t1.field_3 = t2.field_c;
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# Inserting new record into t2
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INSERT INTO t2 (field_a, field_b, field_c) VALUES (6, 'f', '6f');
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# Updating t1 again
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INSERT INTO t1 (field_1, field_2, field_3)
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SELECT t2.field_a, t2.field_b, t2.field_c
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FROM t2
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ON DUPLICATE KEY UPDATE
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t1.field_3 = t2.field_c;
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SELECT * FROM t1;
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sync_slave_with_master;
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SELECT * FROM t1;
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connection master;
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drop table t1, t2;
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#
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#
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# BUG#20339: stored procedure using LAST_INSERT_ID() does not
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# BUG#20339: stored procedure using LAST_INSERT_ID() does not
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# replicate statement-based
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# replicate statement-based
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1
mysql-test/t/rpl_known_bugs_detection-master.opt
Normal file
1
mysql-test/t/rpl_known_bugs_detection-master.opt
Normal file
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@ -0,0 +1 @@
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--loose-debug=d,pretend_version_50034_in_binlog
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90
mysql-test/t/rpl_known_bugs_detection.test
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90
mysql-test/t/rpl_known_bugs_detection.test
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@ -0,0 +1,90 @@
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# Test to see if slave can detect certain known bugs present
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# on the master, and appropriately decides to stop
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# (assuming the bug is fixed in the slave, slave cannot of course
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# imitate the bug, so it has to stop).
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source include/have_debug.inc;
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source include/master-slave.inc;
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#
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# This is to test that slave properly detects if
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# master may suffer from:
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# BUG#24432 "INSERT... ON DUPLICATE KEY UPDATE skips auto_increment values"
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# (i.e. on master, INSERT ON DUPLICATE KEY UPDATE is used and manipulates
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# an auto_increment column, and is binlogged statement-based).
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#
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# testcase with INSERT VALUES
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CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b INT,
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UNIQUE(b));
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sync_slave_with_master;
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connection master;
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INSERT INTO t1(b) VALUES(1),(1),(2) ON DUPLICATE KEY UPDATE t1.b=10;
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SELECT * FROM t1;
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connection slave;
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wait_for_slave_to_stop;
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# show the error message
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--replace_column 1 # 4 # 7 # 8 # 9 # 23 # 33 #
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--query_vertical show slave status;
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# show that it was not replicated
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SELECT * FROM t1;
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# restart replication for the next testcase
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stop slave;
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reset slave;
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connection master;
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reset master;
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drop table t1;
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connection slave;
|
||||||
|
start slave;
|
||||||
|
|
||||||
|
# testcase with INSERT SELECT
|
||||||
|
connection master;
|
||||||
|
CREATE TABLE t1 (
|
||||||
|
id bigint(20) unsigned NOT NULL auto_increment,
|
||||||
|
field_1 int(10) unsigned NOT NULL,
|
||||||
|
field_2 varchar(255) NOT NULL,
|
||||||
|
field_3 varchar(255) NOT NULL,
|
||||||
|
PRIMARY KEY (id),
|
||||||
|
UNIQUE KEY field_1 (field_1, field_2)
|
||||||
|
);
|
||||||
|
CREATE TABLE t2 (
|
||||||
|
field_a int(10) unsigned NOT NULL,
|
||||||
|
field_b varchar(255) NOT NULL,
|
||||||
|
field_c varchar(255) NOT NULL
|
||||||
|
);
|
||||||
|
INSERT INTO t2 (field_a, field_b, field_c) VALUES (1, 'a', '1a');
|
||||||
|
INSERT INTO t2 (field_a, field_b, field_c) VALUES (2, 'b', '2b');
|
||||||
|
INSERT INTO t2 (field_a, field_b, field_c) VALUES (3, 'c', '3c');
|
||||||
|
INSERT INTO t2 (field_a, field_b, field_c) VALUES (4, 'd', '4d');
|
||||||
|
INSERT INTO t2 (field_a, field_b, field_c) VALUES (5, 'e', '5e');
|
||||||
|
sync_slave_with_master;
|
||||||
|
connection master;
|
||||||
|
# Updating table t1 based on values from table t2
|
||||||
|
INSERT INTO t1 (field_1, field_2, field_3)
|
||||||
|
SELECT t2.field_a, t2.field_b, t2.field_c
|
||||||
|
FROM t2
|
||||||
|
ON DUPLICATE KEY UPDATE
|
||||||
|
t1.field_3 = t2.field_c;
|
||||||
|
# Inserting new record into t2
|
||||||
|
INSERT INTO t2 (field_a, field_b, field_c) VALUES (6, 'f', '6f');
|
||||||
|
# Updating t1 again
|
||||||
|
INSERT INTO t1 (field_1, field_2, field_3)
|
||||||
|
SELECT t2.field_a, t2.field_b, t2.field_c
|
||||||
|
FROM t2
|
||||||
|
ON DUPLICATE KEY UPDATE
|
||||||
|
t1.field_3 = t2.field_c;
|
||||||
|
SELECT * FROM t1;
|
||||||
|
connection slave;
|
||||||
|
wait_for_slave_to_stop;
|
||||||
|
# show the error message
|
||||||
|
--replace_column 1 # 4 # 7 # 8 # 9 # 23 # 33 #
|
||||||
|
--query_vertical show slave status;
|
||||||
|
# show that it was not replicated
|
||||||
|
SELECT * FROM t1;
|
||||||
|
connection master;
|
||||||
|
drop table t1, t2;
|
||||||
|
connection slave;
|
||||||
|
drop table t1, t2;
|
||||||
|
|
||||||
|
# End of 5.0 tests
|
|
@ -2047,6 +2047,8 @@ Start_log_event_v3::Start_log_event_v3(const char* buf,
|
||||||
binlog_version= uint2korr(buf+ST_BINLOG_VER_OFFSET);
|
binlog_version= uint2korr(buf+ST_BINLOG_VER_OFFSET);
|
||||||
memcpy(server_version, buf+ST_SERVER_VER_OFFSET,
|
memcpy(server_version, buf+ST_SERVER_VER_OFFSET,
|
||||||
ST_SERVER_VER_LEN);
|
ST_SERVER_VER_LEN);
|
||||||
|
// prevent overrun if log is corrupted on disk
|
||||||
|
server_version[ST_SERVER_VER_LEN-1]= 0;
|
||||||
created= uint4korr(buf+ST_CREATED_OFFSET);
|
created= uint4korr(buf+ST_CREATED_OFFSET);
|
||||||
/* We use log_pos to mark if this was an artificial event or not */
|
/* We use log_pos to mark if this was an artificial event or not */
|
||||||
artificial_event= (log_pos == 0);
|
artificial_event= (log_pos == 0);
|
||||||
|
@ -2170,6 +2172,8 @@ Format_description_log_event(uint8 binlog_ver, const char* server_ver)
|
||||||
switch (binlog_ver) {
|
switch (binlog_ver) {
|
||||||
case 4: /* MySQL 5.0 */
|
case 4: /* MySQL 5.0 */
|
||||||
memcpy(server_version, ::server_version, ST_SERVER_VER_LEN);
|
memcpy(server_version, ::server_version, ST_SERVER_VER_LEN);
|
||||||
|
DBUG_EXECUTE_IF("pretend_version_50034_in_binlog",
|
||||||
|
strmov(server_version, "5.0.34"););
|
||||||
common_header_len= LOG_EVENT_HEADER_LEN;
|
common_header_len= LOG_EVENT_HEADER_LEN;
|
||||||
number_of_event_types= LOG_EVENT_TYPES;
|
number_of_event_types= LOG_EVENT_TYPES;
|
||||||
/* we'll catch my_malloc() error in is_valid() */
|
/* we'll catch my_malloc() error in is_valid() */
|
||||||
|
@ -2241,6 +2245,7 @@ Format_description_log_event(uint8 binlog_ver, const char* server_ver)
|
||||||
post_header_len= 0; /* will make is_valid() fail */
|
post_header_len= 0; /* will make is_valid() fail */
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
calc_server_version_split();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
@ -2280,6 +2285,7 @@ Format_description_log_event(const char* buf,
|
||||||
post_header_len= (uint8*) my_memdup((byte*)buf+ST_COMMON_HEADER_LEN_OFFSET+1,
|
post_header_len= (uint8*) my_memdup((byte*)buf+ST_COMMON_HEADER_LEN_OFFSET+1,
|
||||||
number_of_event_types*
|
number_of_event_types*
|
||||||
sizeof(*post_header_len), MYF(0));
|
sizeof(*post_header_len), MYF(0));
|
||||||
|
calc_server_version_split();
|
||||||
DBUG_VOID_RETURN;
|
DBUG_VOID_RETURN;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -2380,6 +2386,37 @@ int Format_description_log_event::exec_event(struct st_relay_log_info* rli)
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
Splits the event's 'server_version' string into three numeric pieces stored
|
||||||
|
into 'server_version_split':
|
||||||
|
X.Y.Zabc (X,Y,Z numbers, a not a digit) -> {X,Y,Z}
|
||||||
|
X.Yabc -> {X,Y,0}
|
||||||
|
Xabc -> {X,0,0}
|
||||||
|
'server_version_split' is then used for lookups to find if the server which
|
||||||
|
created this event has some known bug.
|
||||||
|
*/
|
||||||
|
void Format_description_log_event::calc_server_version_split()
|
||||||
|
{
|
||||||
|
char *p= server_version, *r;
|
||||||
|
ulong number;
|
||||||
|
for (uint i= 0; i<=2; i++)
|
||||||
|
{
|
||||||
|
number= strtoul(p, &r, 10);
|
||||||
|
server_version_split[i]= (uchar)number;
|
||||||
|
DBUG_ASSERT(number < 256); // fit in uchar
|
||||||
|
p= r;
|
||||||
|
DBUG_ASSERT(!((i == 0) && (*r != '.'))); // should be true in practice
|
||||||
|
if (*r == '.')
|
||||||
|
p++; // skip the dot
|
||||||
|
}
|
||||||
|
DBUG_PRINT("info",("Format_description_log_event::server_version_split:"
|
||||||
|
" '%s' %d %d %d", server_version,
|
||||||
|
server_version_split[0],
|
||||||
|
server_version_split[1], server_version_split[2]));
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
/**************************************************************************
|
/**************************************************************************
|
||||||
Load_log_event methods
|
Load_log_event methods
|
||||||
General note about Load_log_event: the binlogging of LOAD DATA INFILE is
|
General note about Load_log_event: the binlogging of LOAD DATA INFILE is
|
||||||
|
|
|
@ -1102,6 +1102,7 @@ public:
|
||||||
uint8 number_of_event_types;
|
uint8 number_of_event_types;
|
||||||
/* The list of post-headers' lengthes */
|
/* The list of post-headers' lengthes */
|
||||||
uint8 *post_header_len;
|
uint8 *post_header_len;
|
||||||
|
uchar server_version_split[3];
|
||||||
|
|
||||||
Format_description_log_event(uint8 binlog_ver, const char* server_ver=0);
|
Format_description_log_event(uint8 binlog_ver, const char* server_ver=0);
|
||||||
|
|
||||||
|
@ -1133,6 +1134,7 @@ public:
|
||||||
*/
|
*/
|
||||||
return FORMAT_DESCRIPTION_HEADER_LEN;
|
return FORMAT_DESCRIPTION_HEADER_LEN;
|
||||||
}
|
}
|
||||||
|
void calc_server_version_split();
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
||||||
|
|
64
sql/slave.cc
64
sql/slave.cc
|
@ -5165,6 +5165,70 @@ end:
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
Detects, based on master's version (as found in the relay log), if master
|
||||||
|
has a certain bug.
|
||||||
|
@param rli RELAY_LOG_INFO which tells the master's version
|
||||||
|
@param bug_id Number of the bug as found in bugs.mysql.com
|
||||||
|
@return TRUE if master has the bug, FALSE if it does not.
|
||||||
|
*/
|
||||||
|
bool rpl_master_has_bug(RELAY_LOG_INFO *rli, uint bug_id)
|
||||||
|
{
|
||||||
|
struct st_version_range_for_one_bug {
|
||||||
|
uint bug_id;
|
||||||
|
const uchar introduced_in[3]; // first version with bug
|
||||||
|
const uchar fixed_in[3]; // first version with fix
|
||||||
|
};
|
||||||
|
static struct st_version_range_for_one_bug versions_for_all_bugs[]=
|
||||||
|
{
|
||||||
|
{24432, { 5, 0, 24 }, { 5, 0, 36 } },
|
||||||
|
{24432, { 5, 1, 12 }, { 5, 1, 16 } }
|
||||||
|
};
|
||||||
|
const uchar *master_ver=
|
||||||
|
rli->relay_log.description_event_for_exec->server_version_split;
|
||||||
|
|
||||||
|
DBUG_ASSERT(sizeof(rli->relay_log.description_event_for_exec->server_version_split) == 3);
|
||||||
|
|
||||||
|
for (uint i= 0;
|
||||||
|
i < sizeof(versions_for_all_bugs)/sizeof(*versions_for_all_bugs);i++)
|
||||||
|
{
|
||||||
|
const uchar *introduced_in= versions_for_all_bugs[i].introduced_in,
|
||||||
|
*fixed_in= versions_for_all_bugs[i].fixed_in;
|
||||||
|
if ((versions_for_all_bugs[i].bug_id == bug_id) &&
|
||||||
|
(memcmp(introduced_in, master_ver, 3) <= 0) &&
|
||||||
|
(memcmp(fixed_in, master_ver, 3) > 0))
|
||||||
|
{
|
||||||
|
// a verbose message for the error log
|
||||||
|
slave_print_error(rli, ER_UNKNOWN_ERROR,
|
||||||
|
"According to the master's version ('%s'),"
|
||||||
|
" it is probable that master suffers from this bug:"
|
||||||
|
" http://bugs.mysql.com/bug.php?id=%u"
|
||||||
|
" and thus replicating the current binary log event"
|
||||||
|
" may make the slave's data become different from the"
|
||||||
|
" master's data."
|
||||||
|
" To take no risk, slave refuses to replicate"
|
||||||
|
" this event and stops."
|
||||||
|
" We recommend that all updates be stopped on the"
|
||||||
|
" master and slave, that the data of both be"
|
||||||
|
" manually synchronized,"
|
||||||
|
" that master's binary logs be deleted,"
|
||||||
|
" that master be upgraded to a version at least"
|
||||||
|
" equal to '%d.%d.%d'. Then replication can be"
|
||||||
|
" restarted.",
|
||||||
|
rli->relay_log.description_event_for_exec->server_version,
|
||||||
|
bug_id,
|
||||||
|
fixed_in[0], fixed_in[1], fixed_in[2]);
|
||||||
|
// a short message for SHOW SLAVE STATUS (message length constraints)
|
||||||
|
my_printf_error(ER_UNKNOWN_ERROR, "master may suffer from"
|
||||||
|
" http://bugs.mysql.com/bug.php?id=%u"
|
||||||
|
" so slave stops; check error log on slave"
|
||||||
|
" for more info", MYF(0), bug_id);
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
#ifdef HAVE_EXPLICIT_TEMPLATE_INSTANTIATION
|
#ifdef HAVE_EXPLICIT_TEMPLATE_INSTANTIATION
|
||||||
template class I_List_iterator<i_string>;
|
template class I_List_iterator<i_string>;
|
||||||
template class I_List_iterator<i_string_pair>;
|
template class I_List_iterator<i_string_pair>;
|
||||||
|
|
|
@ -533,6 +533,7 @@ void table_rule_ent_hash_to_str(String* s, HASH* h);
|
||||||
void table_rule_ent_dynamic_array_to_str(String* s, DYNAMIC_ARRAY* a);
|
void table_rule_ent_dynamic_array_to_str(String* s, DYNAMIC_ARRAY* a);
|
||||||
bool show_master_info(THD* thd, MASTER_INFO* mi);
|
bool show_master_info(THD* thd, MASTER_INFO* mi);
|
||||||
bool show_binlog_info(THD* thd);
|
bool show_binlog_info(THD* thd);
|
||||||
|
bool rpl_master_has_bug(RELAY_LOG_INFO *rli, uint bug_id);
|
||||||
|
|
||||||
/* See if the query uses any tables that should not be replicated */
|
/* See if the query uses any tables that should not be replicated */
|
||||||
bool tables_ok(THD* thd, TABLE_LIST* tables);
|
bool tables_ok(THD* thd, TABLE_LIST* tables);
|
||||||
|
|
|
@ -58,6 +58,7 @@
|
||||||
#include "sp_head.h"
|
#include "sp_head.h"
|
||||||
#include "sql_trigger.h"
|
#include "sql_trigger.h"
|
||||||
#include "sql_select.h"
|
#include "sql_select.h"
|
||||||
|
#include "slave.h"
|
||||||
|
|
||||||
static int check_null_fields(THD *thd,TABLE *entry);
|
static int check_null_fields(THD *thd,TABLE *entry);
|
||||||
#ifndef EMBEDDED_LIBRARY
|
#ifndef EMBEDDED_LIBRARY
|
||||||
|
@ -468,6 +469,14 @@ bool mysql_insert(THD *thd,TABLE_LIST *table_list,
|
||||||
thd->cuted_fields = 0L;
|
thd->cuted_fields = 0L;
|
||||||
table->next_number_field=table->found_next_number_field;
|
table->next_number_field=table->found_next_number_field;
|
||||||
|
|
||||||
|
#ifdef HAVE_REPLICATION
|
||||||
|
if (thd->slave_thread &&
|
||||||
|
(info.handle_duplicates == DUP_UPDATE) &&
|
||||||
|
(table->next_number_field != NULL) &&
|
||||||
|
rpl_master_has_bug(&active_mi->rli, 24432))
|
||||||
|
goto abort;
|
||||||
|
#endif
|
||||||
|
|
||||||
error=0;
|
error=0;
|
||||||
id=0;
|
id=0;
|
||||||
thd->proc_info="update";
|
thd->proc_info="update";
|
||||||
|
@ -1133,11 +1142,11 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
|
||||||
if (res == VIEW_CHECK_ERROR)
|
if (res == VIEW_CHECK_ERROR)
|
||||||
goto before_trg_err;
|
goto before_trg_err;
|
||||||
|
|
||||||
|
table->file->restore_auto_increment();
|
||||||
if ((error=table->file->update_row(table->record[1],table->record[0])))
|
if ((error=table->file->update_row(table->record[1],table->record[0])))
|
||||||
{
|
{
|
||||||
if ((error == HA_ERR_FOUND_DUPP_KEY) && info->ignore)
|
if ((error == HA_ERR_FOUND_DUPP_KEY) && info->ignore)
|
||||||
{
|
{
|
||||||
table->file->restore_auto_increment();
|
|
||||||
goto ok_or_after_trg_err;
|
goto ok_or_after_trg_err;
|
||||||
}
|
}
|
||||||
goto err;
|
goto err;
|
||||||
|
@ -2369,6 +2378,15 @@ select_insert::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
|
||||||
}
|
}
|
||||||
restore_record(table,s->default_values); // Get empty record
|
restore_record(table,s->default_values); // Get empty record
|
||||||
table->next_number_field=table->found_next_number_field;
|
table->next_number_field=table->found_next_number_field;
|
||||||
|
|
||||||
|
#ifdef HAVE_REPLICATION
|
||||||
|
if (thd->slave_thread &&
|
||||||
|
(info.handle_duplicates == DUP_UPDATE) &&
|
||||||
|
(table->next_number_field != NULL) &&
|
||||||
|
rpl_master_has_bug(&active_mi->rli, 24432))
|
||||||
|
DBUG_RETURN(1);
|
||||||
|
#endif
|
||||||
|
|
||||||
thd->cuted_fields=0;
|
thd->cuted_fields=0;
|
||||||
if (info.ignore || info.handle_duplicates != DUP_ERROR)
|
if (info.ignore || info.handle_duplicates != DUP_ERROR)
|
||||||
table->file->extra(HA_EXTRA_IGNORE_DUP_KEY);
|
table->file->extra(HA_EXTRA_IGNORE_DUP_KEY);
|
||||||
|
|
Loading…
Reference in a new issue