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Ensure that we reset auto-increment cache if we have to do an UPDATE becasue of REPLACE

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This fixes bug #11080: Multi-row REPLACE fails on a duplicate key error
This commit is contained in:
monty@mysql.com 2005-06-06 20:41:52 +03:00
parent b46f2ecf2f
commit dec2607e1d
6 changed files with 172 additions and 0 deletions
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39
mysql-test/r/auto_increment.result
View File

@ -355,3 +355,42 @@ CHECK TABLE t1;
Table Op Msg_type Msg_text Table Op Msg_type Msg_text
test.t1 check status OK test.t1 check status OK
DROP TABLE IF EXISTS t1; 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;

39
mysql-test/r/innodb.result
View File

@ -2410,3 +2410,42 @@ select min(b) from t1 where a='8';
min(b) min(b)
6 6
drop table t1; 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
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
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
drop table t1;
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;
insert into t1 (val) values (1);
ERROR 23000: Duplicate entry '2' for key 1
select * from t1;
a val
2 1
drop table t1;

36
mysql-test/t/auto_increment.test
View File

@ -218,3 +218,39 @@ CHECK TABLE t1;
INSERT INTO t1 (b) VALUES ('bbbb'); INSERT INTO t1 (b) VALUES ('bbbb');
CHECK TABLE t1; CHECK TABLE t1;
DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t1;
#
# Bug #11080 & #11005 Multi-row REPLACE fails on a duplicate key error
#
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;
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;
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');
--error 1062
insert into t1 (val) values ('1'),('2');
select * from t1;
drop table t1;
#
# Test that update changes internal auto-increment value
#
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;
drop table t1;

45
mysql-test/t/innodb.test
View File

@ -1329,3 +1329,48 @@ insert into t1 values ('8', '6'), ('4', '7');
select min(a) from t1; select min(a) from t1;
select min(b) from t1 where a='8'; select min(b) from t1 where a='8';
drop table t1; drop table t1;
#
# Bug #11080 & #11005 Multi-row REPLACE fails on a duplicate key error
#
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;
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');
select * from t1;
drop table t1;
#
# Test that update changes 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
--error 1062
insert into t1 (val) values (1);
select * from t1;
drop table t1;

1
mysys/my_alloc.c
View File

@ -262,6 +262,7 @@ static inline void mark_blocks_free(MEM_ROOT* root)
NOTES NOTES
One can call this function either with root block initialised with One can call this function either with root block initialised with
init_alloc_root() or with a bzero()-ed block. init_alloc_root() or with a bzero()-ed block.
It's also safe to call this multiple times with the same mem_root.
*/ */
void free_root(MEM_ROOT *root, myf MyFlags) void free_root(MEM_ROOT *root, myf MyFlags)

12
sql/sql_insert.cc
View File

@ -916,6 +916,12 @@ 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;
if (thd->clear_next_insert_id)
{
/* Reset auto-increment cacheing if we do an update */
thd->clear_next_insert_id= 0;
thd->next_insert_id= 0;
}
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)
@ -949,6 +955,12 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
table->triggers->process_triggers(thd, TRG_EVENT_UPDATE, table->triggers->process_triggers(thd, TRG_EVENT_UPDATE,
TRG_ACTION_BEFORE, TRUE)) TRG_ACTION_BEFORE, TRUE))
goto before_trg_err; goto before_trg_err;
if (thd->clear_next_insert_id)
{
/* Reset auto-increment cacheing if we do an update */
thd->clear_next_insert_id= 0;
thd->next_insert_id= 0;
}
if ((error=table->file->update_row(table->record[1], if ((error=table->file->update_row(table->record[1],
table->record[0]))) table->record[0])))
goto err; goto err;