mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-01-21 22:34:18 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge tsmith@bk-internal.mysql.com:/home/bk/mysql-5.1-maint

Browse source 
into  quadxeon.mysql.com:/benchmarks/ext3/TOSAVE/tsmith/bk/maint/51
This commit is contained in:
tsmith@quadxeon.mysql.com 2007-04-28 01:37:59 +02:00
commit 5b4264b8fb
3 changed files with 99 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

35
mysql-test/r/update.result
View file

@ -457,3 +457,38 @@ a quux
2 0.100000000000000000000000000000
3 NULL
DROP TABLE t1;
set tmp_table_size=1024;
create table t1 (id int, a int, key idx(a));
create table t2 (id int unsigned not null auto_increment primary key, a int);
insert into t2(a) values(1),(2),(3),(4),(5),(6),(7),(8);
insert into t2(a) select a from t2;
insert into t2(a) select a from t2;
insert into t2(a) select a from t2;
update t2 set a=id;
insert into t1 select * from t2;
select count(*) from t1 join t2 on (t1.a=t2.a);
count(*)
64
update t1 join t2 on (t1.a=t2.a) set t1.id=t2.id;
affected rows: 0
info: Rows matched: 64 Changed: 0 Warnings: 0
insert into t2(a) select a from t2;
update t2 set a=id;
truncate t1;
insert into t1 select * from t2;
select count(*) from t1 join t2 on (t1.a=t2.a);
count(*)
128
update t1 join t2 on (t1.a=t2.a) set t1.id=t2.id;
affected rows: 0
info: Rows matched: 128 Changed: 0 Warnings: 0
update t1 set a=1;
update t2 set a=1;
select count(*) from t1 join t2 on (t1.a=t2.a);
count(*)
16384
update t1 join t2 on (t1.a=t2.a) set t1.id=t2.id;
affected rows: 127
info: Rows matched: 128 Changed: 127 Warnings: 0
drop table t1,t2;
End of 5.0 tests

55
mysql-test/t/update.test
View file

@ -376,3 +376,58 @@ INSERT INTO t1( a )
SELECT * FROM t1;
DROP TABLE t1;
#
# Bug #22364: Inconsistent "matched rows" when executing UPDATE
#
connect (con1,localhost,root,,test);
connection con1;
set tmp_table_size=1024;
# Create the test tables
create table t1 (id int, a int, key idx(a));
create table t2 (id int unsigned not null auto_increment primary key, a int);
insert into t2(a) values(1),(2),(3),(4),(5),(6),(7),(8);
insert into t2(a) select a from t2;
insert into t2(a) select a from t2;
insert into t2(a) select a from t2;
update t2 set a=id;
insert into t1 select * from t2;
# Check that the number of matched rows is correct when the temporary
# table is small enough to not be converted to MyISAM
select count(*) from t1 join t2 on (t1.a=t2.a);
--enable_info
update t1 join t2 on (t1.a=t2.a) set t1.id=t2.id;
--disable_info
# Increase table sizes
insert into t2(a) select a from t2;
update t2 set a=id;
truncate t1;
insert into t1 select * from t2;
# Check that the number of matched rows is correct when the temporary
# table has to be converted to MyISAM
select count(*) from t1 join t2 on (t1.a=t2.a);
--enable_info
update t1 join t2 on (t1.a=t2.a) set t1.id=t2.id;
--disable_info
# Check that the number of matched rows is correct when there are duplicate
# key errors
update t1 set a=1;
update t2 set a=1;
select count(*) from t1 join t2 on (t1.a=t2.a);
--enable_info
update t1 join t2 on (t1.a=t2.a) set t1.id=t2.id;
--disable_info
drop table t1,t2;
connection default;
disconnect con1;
--echo End of 5.0 tests

18
sql/sql_update.cc
View file

@ -1478,18 +1478,18 @@ bool multi_update::send_data(List<Item> &not_used_values)
memcpy((char*) tmp_table->field[0]->ptr,
(char*) table->file->ref, table->file->ref_length);
/* Write row, ignoring duplicated updates to a row */
if ((error= tmp_table->file->ha_write_row(tmp_table->record[0])))
error= tmp_table->file->ha_write_row(tmp_table->record[0]);
if (error != HA_ERR_FOUND_DUPP_KEY && error != HA_ERR_FOUND_DUPP_UNIQUE)
{
if (tmp_table->file->is_fatal_error(error, HA_CHECK_DUP) &&
if (error &&
create_myisam_from_heap(thd, tmp_table,
tmp_table_param + offset, error, 1))
{
do_update=0;
DBUG_RETURN(1); // Not a table_is_full error
}
}
else
tmp_table_param + offset, error, 1))
{
do_update= 0;
DBUG_RETURN(1); // Not a table_is_full error
}
found++;
}
}
}
DBUG_RETURN(0);