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f603c1cce8
Note: bug#21726 does not directly apply to 4.1, as it doesn't have stored
procedures. However, 4.1 had some bugs that were fixed in 5.0 by the
patch for bug#21726, and this patch is a backport of those fixes.
Namely, in 4.1 it fixes:
- LAST_INSERT_ID(expr) didn't return value of expr (4.1 specific).
- LAST_INSERT_ID() could return the value generated by current
statement if the call happens after the generation, like in
CREATE TABLE t1 (i INT AUTO_INCREMENT PRIMARY KEY, j INT);
INSERT INTO t1 VALUES (NULL, 0), (NULL, LAST_INSERT_ID());
- Redundant binary log LAST_INSERT_ID_EVENTs could be generated.
mysql-test/r/rpl_insert_id.result:
Add result for bug#21726: Incorrect result with multiple invocations
of LAST_INSERT_ID.
mysql-test/t/rpl_insert_id.test:
Add test case for bug#21726: Incorrect result with multiple invocations
of LAST_INSERT_ID.
sql/item_func.cc:
Add implementation of Item_func_last_insert_id::fix_fields(), where we
set THD::last_insert_id_used when statement calls LAST_INSERT_ID().
In Item_func_last_insert_id::val_int(), return THD::current_insert_id
if called like LAST_INSERT_ID(), otherwise return value of argument if
called like LAST_INSERT_ID(expr).
sql/item_func.h:
Add declaration of Item_func_last_insert_id::fix_fields().
sql/log_event.cc:
Do not set THD::last_insert_id_used on LAST_INSERT_ID_EVENT. Though we
know the statement will call LAST_INSERT_ID(), it wasn't called yet.
sql/set_var.cc:
In sys_var_last_insert_id::value_ptr(), set THD::last_insert_id_used,
and return THD::current_insert_id for @@LAST_INSERT_ID.
sql/sql_class.h:
Update comments.
Remove THD::insert_id(), as it has lost its purpose now.
sql/sql_insert.cc:
Now it is OK to read THD::last_insert_id directly.
sql/sql_load.cc:
Now it is OK to read THD::last_insert_id directly.
sql/sql_parse.cc:
In mysql_execute_command(), remember THD::last_insert_id (first
generated value of the previous statement) in THD::current_insert_id,
which then will be returned for LAST_INSERT_ID() and @@LAST_INSERT_ID.
sql/sql_select.cc:
If "IS NULL" is replaced with "= <LAST_INSERT_ID>", use right value,
which is THD::current_insert_id, and also set THD::last_insert_id_used
to issue binary log LAST_INSERT_ID_EVENT.
sql/sql_update.cc:
Now it is OK to read THD::last_insert_id directly.
tests/mysql_client_test.c:
Add test case for bug#21726: Incorrect result with multiple invocations
of LAST_INSERT_ID.
145 lines
3.4 KiB
Text
145 lines
3.4 KiB
Text
--echo #
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--echo # Setup
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--echo #
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source include/master-slave.inc;
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source include/have_innodb.inc;
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use test;
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--disable_warnings
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drop table if exists t1, t2, t3;
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--enable_warnings
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--echo #
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--echo # See if queries that use both auto_increment and LAST_INSERT_ID()
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--echo # are replicated well
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--echo #
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--echo # We also check how the foreign_key_check variable is replicated
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--echo #
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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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--echo #
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--echo # check if INSERT SELECT in auto_increment is well replicated (bug #490)
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--echo #
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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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--echo #
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--echo # Bug#8412: Error codes reported in binary log for CHARACTER SET,
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--echo # FOREIGN_KEY_CHECKS
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--echo #
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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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--echo #
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--echo # Bug#14553: NULL in WHERE resets LAST_INSERT_ID
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--echo #
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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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#
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# BUG#21726: Incorrect result with multiple invocations of
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# LAST_INSERT_ID
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#
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connection master;
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--disable_warnings
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DROP TABLE IF EXISTS t1;
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--enable_warnings
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CREATE TABLE t1 (
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i INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
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j INT DEFAULT 0
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);
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INSERT INTO t1 VALUES (NULL, -1);
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INSERT INTO t1 VALUES (NULL, LAST_INSERT_ID()), (NULL, LAST_INSERT_ID(5)),
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(NULL, @@LAST_INSERT_ID);
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# Test replication of substitution "IS NULL" -> "= LAST_INSERT_ID".
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INSERT INTO t1 VALUES (NULL, 0), (NULL, LAST_INSERT_ID());
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UPDATE t1 SET j= -1 WHERE i IS NULL;
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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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--echo #
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--echo # End of 4.1 tests
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--echo #
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