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Backport of revno: 3514

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Bug#40181 Made use of tdc_remove_table instead of just 
setting share->version to 0 to make sure all unused table
instances go away as part of CREATE/ALTER TABLE.
This commit is contained in:
Jon Olav Hauglid 2009-12-10 14:15:50 +01:00
parent 58a9857bc5
commit 7d71d71535
3 changed files with 37 additions and 6 deletions
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9
mysql-test/r/partition.result
View File

@ -65,6 +65,15 @@ show indexes from t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
t1 1 a 1 a A 1 NULL NULL YES BTREE
drop table t1;
create table t1 (a int)
partition by hash (a);
create index i on t1 (a);
insert into t1 values (1);
insert into t1 select * from t1;
create index i on t1 (a);
ERROR 42000: Duplicate key name 'i'
create index i2 on t1 (a);
drop table t1;
CREATE TABLE t1 (a INT, FOREIGN KEY (a) REFERENCES t0 (a))
ENGINE=MyISAM
PARTITION BY HASH (a);

13
mysql-test/t/partition.test
View File

@ -74,6 +74,19 @@ analyze table t1;
show indexes from t1;
drop table t1;
#
# Bug#40181: hang if create index
#
create table t1 (a int)
partition by hash (a);
create index i on t1 (a);
insert into t1 values (1);
insert into t1 select * from t1;
--error ER_DUP_KEYNAME
create index i on t1 (a);
create index i2 on t1 (a);
drop table t1;
#
# Bug#36001: Partitions: spelling and using some error messages
#

21
sql/sql_partition.cc
View File

@ -4189,7 +4189,9 @@ bool mysql_unpack_partition(THD *thd,
*/
thd->free_items();
part_info= thd->work_part_info;
table->s->version= 0UL;
tdc_remove_table(thd, TDC_RT_REMOVE_UNUSED,
table->s->db.str,
table->s->table_name.str);
*work_part_info_used= true;
}
table->part_info= part_info;
@ -4482,12 +4484,17 @@ uint prep_alter_part_table(THD *thd, TABLE *table, Alter_info *alter_info,
/*
We are going to manipulate the partition info on the table object
so we need to ensure that the data structure of the table object
is freed by setting version to 0. table->s->version= 0 forces a
flush of the table object in close_thread_tables().
so we need to ensure that the table instances cached and all other
instances are properly closed.
*/
if (table->part_info)
table->s->version= 0L;
{
pthread_mutex_lock(&LOCK_open);
tdc_remove_table(thd, TDC_RT_REMOVE_UNUSED,
table->s->db.str,
table->s->table_name.str);
pthread_mutex_unlock(&LOCK_open);
}
thd->work_part_info= thd->lex->part_info;
if (thd->work_part_info &&
@ -6242,7 +6249,9 @@ static int alter_close_tables(ALTER_PARTITION_PARAM_TYPE *lpt)
alter_partition_lock_handling() and the table is closed
by close_thread_tables() instead.
*/
table->s->version= 0;
tdc_remove_table(thd, TDC_RT_REMOVE_UNUSED,
table->s->db.str,
table->s->table_name.str);
}
}
pthread_mutex_unlock(&LOCK_open);