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To make MySQL compatible with some ODBC applications, you can find the AUTO_INCREMENT value for the last inserted row with the following query: SELECT * FROM tbl_name WHERE auto_col IS NULL. This is done with a special code that replaces 'auto_col IS NULL' with 'auto_col = LAST_INSERT_ID'. However this also resets the LAST_INSERT_ID to 0 as it uses it for a flag so as to ensure that only the first SELECT ... WHERE auto_col IS NULL after an INSERT has this special behaviour. In order to avoid resetting the LAST_INSERT_ID a special flag is introduced in the THD class. This flag is used to restrict the second and subsequent SELECTs instead of LAST_INSERT_ID.
95 lines
2.4 KiB
Text
95 lines
2.4 KiB
Text
# See if queries that use both auto_increment and LAST_INSERT_ID()
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# are replicated well
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# We also check how the foreign_key_check variable is replicated
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source include/master-slave.inc;
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source include/have_innodb.inc;
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connection master;
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create table t1(a int auto_increment, key(a));
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create table t2(b int auto_increment, c int, key(b));
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insert into t1 values (1),(2),(3);
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insert into t1 values (null);
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insert into t2 values (null,last_insert_id());
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save_master_pos;
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connection slave;
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sync_with_master;
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select * from t1;
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select * from t2;
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connection master;
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#check if multi-line inserts,
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#which set last_insert_id to the first id inserted,
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#are replicated the same way
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drop table t1;
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drop table t2;
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--disable_warnings
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create table t1(a int auto_increment, key(a)) engine=innodb;
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create table t2(b int auto_increment, c int, key(b), foreign key(b) references t1(a)) engine=innodb;
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--enable_warnings
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SET FOREIGN_KEY_CHECKS=0;
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insert into t1 values (10);
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insert into t1 values (null),(null),(null);
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insert into t2 values (5,0);
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insert into t2 values (null,last_insert_id());
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SET FOREIGN_KEY_CHECKS=1;
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save_master_pos;
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connection slave;
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sync_with_master;
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select * from t1;
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select * from t2;
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connection master;
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# check if INSERT SELECT in auto_increment is well replicated (bug #490)
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drop table t2;
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drop table t1;
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create table t1(a int auto_increment, key(a));
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create table t2(b int auto_increment, c int, key(b));
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insert into t1 values (10);
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insert into t1 values (null),(null),(null);
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insert into t2 values (5,0);
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insert into t2 (c) select * from t1;
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select * from t2;
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save_master_pos;
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connection slave;
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sync_with_master;
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select * from t1;
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select * from t2;
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connection master;
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drop table t1;
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drop table t2;
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save_master_pos;
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connection slave;
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sync_with_master;
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#
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# Bug#8412: Error codes reported in binary log for CHARACTER SET,
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# FOREIGN_KEY_CHECKS
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#
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connection master;
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SET TIMESTAMP=1000000000;
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CREATE TABLE t1 ( a INT UNIQUE );
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SET FOREIGN_KEY_CHECKS=0;
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--error 1062
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INSERT INTO t1 VALUES (1),(1);
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sync_slave_with_master;
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#
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# Bug#14553: NULL in WHERE resets LAST_INSERT_ID
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#
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connection master;
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drop table t1;
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create table t1(a int auto_increment, key(a));
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create table t2(a int);
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insert into t1 (a) values (null);
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insert into t2 (a) select a from t1 where a is null;
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insert into t2 (a) select a from t1 where a is null;
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select * from t2;
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sync_slave_with_master;
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connection slave;
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select * from t2;
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connection master;
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drop table t1;
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drop table t2;
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sync_slave_with_master;
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# End of 4.1 tests
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