From 9595c788f9857d0e712f6659d3a0d85300aa0f7b Mon Sep 17 00:00:00 2001
From: unknown <monty@mysql.com>
Date: Mon, 6 Jun 2005 20:41:52 +0300
Subject: Ensure that we reset auto-increment cache if we have to do an UPDATE
 becasue of REPLACE This fixes bug #11080: Multi-row REPLACE fails on a
 duplicate key error

mysql-test/r/auto_increment.result:
  New tests for auto-increment and replace
mysql-test/r/innodb.result:
  New tests for auto-increment and replace
mysql-test/t/auto_increment.test:
  New tests for auto-increment and replace
mysql-test/t/innodb.test:
  New tests for auto-increment and replace
mysys/my_alloc.c:
  More comments
---
 mysql-test/r/auto_increment.result | 39 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'mysql-test/r/auto_increment.result')

diff --git a/mysql-test/r/auto_increment.result b/mysql-test/r/auto_increment.result
index 4587c675150..61a42b004a9 100644
--- a/mysql-test/r/auto_increment.result
+++ b/mysql-test/r/auto_increment.result
@@ -355,3 +355,42 @@ CHECK TABLE t1;
 Table	Op	Msg_type	Msg_text
 test.t1	check	status	OK
 DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 ( `a` int(11) NOT NULL auto_increment, `b` int(11) default NULL,PRIMARY KEY  (`a`),UNIQUE KEY `b` (`b`));
+insert into t1 (b) values (1);
+replace into t1 (b) values (2), (1), (3);
+select * from t1;
+a	b
+3	1
+2	2
+4	3
+truncate table t1;
+insert into t1 (b) values (1);
+replace into t1 (b) values (2);
+replace into t1 (b) values (1);
+replace into t1 (b) values (3);
+select * from t1;
+a	b
+3	1
+2	2
+4	3
+drop table t1;
+create table t1 (rowid int not null auto_increment, val int not null,primary
+key (rowid), unique(val));
+replace into t1 (val) values ('1'),('2');
+replace into t1 (val) values ('1'),('2');
+insert into t1 (val) values ('1'),('2');
+ERROR 23000: Duplicate entry '1' for key 2
+select * from t1;
+rowid	val
+3	1
+4	2
+drop table t1;
+create table t1 (a int not null auto_increment primary key, val int);
+insert into t1 (val) values (1);
+update t1 set a=2 where a=1;
+insert into t1 (val) values (1);
+select * from t1;
+a	val
+2	1
+3	1
+drop table t1;
-- 
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