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Bug #56947 InnoDB leaks memory when failing to create a table

Browse source 
row_create_table_for_mysql(): When the table creation fails,
free the dict_table_t object.
This commit is contained in:
Marko Mäkelä 2010-10-11 11:18:00 +03:00
parent df29195345
commit a8da1a3a58
4 changed files with 35 additions and 9 deletions
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6
mysql-test/suite/innodb_plugin/r/innodb_bug56947.result Normal file
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@ -0,0 +1,6 @@
create table bug56947(a int not null) engine = innodb;
CREATE TABLE `bug56947#1`(a int) ENGINE=InnoDB;
alter table bug56947 add unique index (a);
ERROR HY000: Table 'test.bug56947#1' already exists
drop table `bug56947#1`;
drop table bug56947;

11
mysql-test/suite/innodb_plugin/t/innodb_bug56947.test Normal file
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@ -0,0 +1,11 @@
#
# Bug #56947 valgrind reports a memory leak in innodb-plugin.innodb-index
#
-- source include/have_innodb_plugin.inc
create table bug56947(a int not null) engine = innodb;
CREATE TABLE `bug56947#1`(a int) ENGINE=InnoDB;
--error 156
alter table bug56947 add unique index (a);
drop table `bug56947#1`;
drop table bug56947;

13
storage/innodb_plugin/ChangeLog
View file

@ -1,13 +1,21 @@
2010-10-11 The InnoDB Team
* row/row0mysql.c, innodb_bug56947.result, innodb_bug56947.test:
Fix Bug #56947 InnoDB leaks memory when failing to create a table
2010-10-06 The InnoDB Team
* row/row0mysql.c, innodb_bug57255.result, innodb_bug57255.test
Fix Bug #Cascade Delete results in "Got error -1 from storage engine"
Fix Bug #57255 Cascade Delete results in "Got error -1 from
storage engine"
2010-09-27 The InnoDB Team
* row/row0sel.c, innodb_bug56716.result, innodb_bug56716.test:
Fix Bug #56716 InnoDB locks a record gap without locking the table
2010-09-06 The InnoDB Team
* dict/dict0load.c, innodb_bug53756.test innodb_bug53756.result
Fix Bug #53756 ALTER TABLE ADD PRIMARY KEY affects crash recovery
@ -40,7 +48,6 @@
* handler/ha_innodb.cc
Fix Bug #55382 Assignment with SELECT expressions takes unexpected
S locks in READ COMMITTED
>>>>>>> MERGE-SOURCE
2010-07-27 The InnoDB Team

14
storage/innodb_plugin/row/row0mysql.c
View file

@ -1879,15 +1879,13 @@ err_exit:
err = trx->error_state;
if (UNIV_UNLIKELY(err != DB_SUCCESS)) {
switch (err) {
case DB_SUCCESS:
break;
case DB_OUT_OF_FILE_SPACE:
trx->error_state = DB_SUCCESS;
trx_general_rollback_for_mysql(trx, NULL);
/* TO DO: free table? The code below will dereference
table->name, though. */
}
switch (err) {
case DB_OUT_OF_FILE_SPACE:
ut_print_timestamp(stderr);
fputs(" InnoDB: Warning: cannot create table ",
stderr);
@ -1902,9 +1900,13 @@ err_exit:
break;
case DB_DUPLICATE_KEY:
default:
/* We may also get err == DB_ERROR if the .ibd file for the
table already exists */
trx->error_state = DB_SUCCESS;
trx_general_rollback_for_mysql(trx, NULL);
dict_mem_table_free(table);
break;
}