Merge tulin@bk-internal.mysql.com:/home/bk/mysql-5.0

into dl145b.mysql.com:/home/ndbdev/tomas/mysql-5.1


sql/ha_innodb.cc:
  Auto merged

mysql-test/r/innodb.result

@@ -2430,32 +2430,32 @@ drop table t1;
 CREATE TABLE t1 ( `a` int(11) NOT NULL auto_increment, `b` int(11) default NULL,PRIMARY KEY  (`a`),UNIQUE KEY `b` (`b`)) ENGINE=innodb;
 insert into t1 (b) values (1);
 replace into t1 (b) values (2), (1), (3);
-ERROR 23000: Duplicate entry '3' for key 1
 select * from t1;
 a	b
-1	1
+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);
-ERROR 23000: Duplicate entry '3' for key 1
 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)) engine=innodb;
 replace into t1 (val) values ('1'),('2');
 replace into t1 (val) values ('1'),('2');
-ERROR 23000: Duplicate entry '3' for key 1
 insert into t1 (val) values ('1'),('2');
 ERROR 23000: Duplicate entry '1' for key 2
 select * from t1;
 rowid	val
-1	1
-2	2
+3	1
+4	2
 drop table t1;
 create table t1 (a int not null auto_increment primary key, val int) engine=InnoDB;
 insert into t1 (val) values (1);

mysql-test/t/innodb.test

@@ -1350,16 +1350,12 @@ drop table t1;
 
 CREATE TABLE t1 ( `a` int(11) NOT NULL auto_increment, `b` int(11) default NULL,PRIMARY KEY  (`a`),UNIQUE KEY `b` (`b`)) ENGINE=innodb;
 insert into t1 (b) values (1);
-# We shouldn't get the following error
---error 1062
 replace into t1 (b) values (2), (1), (3);
 select * from t1;
 truncate table t1;
 insert into t1 (b) values (1);
 replace into t1 (b) values (2);
 replace into t1 (b) values (1);
-# We shouldn't get the following error
---error 1062
 replace into t1 (b) values (3);
 select * from t1;
 drop table t1;
@@ -1367,8 +1363,6 @@ drop table t1;
 create table t1 (rowid int not null auto_increment, val int not null,primary
 key (rowid), unique(val)) engine=innodb;
 replace into t1 (val) values ('1'),('2');
-# We shouldn't get the following error
---error 1062
 replace into t1 (val) values ('1'),('2');
 --error 1062
 insert into t1 (val) values ('1'),('2');
@@ -1377,13 +1371,13 @@ drop table t1;
 
 
 #
-# Test that update changes internal auto-increment value
+# Test that update does not change internal auto-increment value
 #
 
 create table t1 (a int not null auto_increment primary key, val int) engine=InnoDB;
 insert into t1 (val) values (1);
 update t1 set a=2 where a=1;
-# We shouldn't get the following error
+# We should get the following error because InnoDB does not update the counter
 --error 1062
 insert into t1 (val) values (1);
 select * from t1;

sql/ha_innodb.cc

@@ -3222,6 +3222,23 @@ no_commit:
           	}
         }
 
+        /* A REPLACE command and LOAD DATA INFILE REPLACE handle a duplicate
+        key error themselves, and we must update the autoinc counter if we are
+        performing those statements. */
+
+        if (error == DB_DUPLICATE_KEY && auto_inc_used
+            && (user_thd->lex->sql_command == SQLCOM_REPLACE
+                || user_thd->lex->sql_command == SQLCOM_REPLACE_SELECT
+                || (user_thd->lex->sql_command == SQLCOM_LOAD
+                    && user_thd->lex->duplicates == DUP_REPLACE))) {
+
+                auto_inc = table->next_number_field->val_int();
+
+                if (auto_inc != 0) {
+                        dict_table_autoinc_update(prebuilt->table, auto_inc);
+                }
+        }
+
 	innodb_srv_conc_exit_innodb(prebuilt->trx);
 
 	error = convert_error_code_to_mysql(error, user_thd);