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BUG#48757 - missing .ARZ file causes server crash

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Server crashes when accessing ARCHIVE table with missing
.ARZ file.

When opening a table, ARCHIVE didn't properly pass through
error code from lower level azopen() to higher level open()
method.
This commit is contained in:
Sergey Vojtovich
2010-02-12 16:33:03 +04:00
parent 29b7338736
commit d605ba0306
3 changed files with 33 additions and 8 deletions
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9
mysql-test/r/archive.result
View File

@@ -12728,3 +12728,12 @@ Table Op Msg_type Msg_text
test.t1 repair Error Table upgrade required. Please do "REPAIR TABLE `t1`" or dump/reload to fix it!
test.t1 repair error Corrupt
DROP TABLE t1;
#
# BUG#48757 - missing .ARZ file causes server crash
#
CREATE TABLE t1(a INT) ENGINE=ARCHIVE;
FLUSH TABLE t1;
SELECT * FROM t1;
ERROR HY000: Can't find file: 't1' (errno: 2)
DROP TABLE t1;
ERROR 42S02: Unknown table 't1'

11
mysql-test/t/archive.test
View File

@@ -1644,3 +1644,14 @@ INSERT INTO t1 (col1, col2) VALUES (1, "value");
REPAIR TABLE t1;
DROP TABLE t1;
remove_file $MYSQLD_DATADIR/test/t1.ARM;
--echo #
--echo # BUG#48757 - missing .ARZ file causes server crash
--echo #
CREATE TABLE t1(a INT) ENGINE=ARCHIVE;
FLUSH TABLE t1;
--remove_file $MYSQLD_DATADIR/test/t1.ARZ
--error ER_FILE_NOT_FOUND
SELECT * FROM t1;
--error ER_BAD_TABLE_ERROR
DROP TABLE t1;

21
storage/archive/ha_archive.cc
View File

@@ -355,6 +355,9 @@ ARCHIVE_SHARE *ha_archive::get_share(const char *table_name, int *rc)
*/
if (!(azopen(&archive_tmp, share->data_file_name, O_RDONLY|O_BINARY)))
{
*rc= my_errno ? my_errno : -1;
pthread_mutex_unlock(&archive_mutex);
my_free(share, MYF(0));
DBUG_RETURN(NULL);
}
stats.auto_increment_value= archive_tmp.auto_increment + 1;
@@ -504,16 +507,18 @@ int ha_archive::open(const char *name, int mode, uint open_options)
For now we have to refuse to open such table to avoid
potential data loss.
*/
if ((rc == HA_ERR_CRASHED_ON_USAGE && !(open_options & HA_OPEN_FOR_REPAIR))
|| rc == HA_ERR_TABLE_NEEDS_UPGRADE)
switch (rc)
{
/* purecov: begin inspected */
case 0:
break;
case HA_ERR_CRASHED_ON_USAGE:
if (open_options & HA_OPEN_FOR_REPAIR)
break;
/* fall through */
case HA_ERR_TABLE_NEEDS_UPGRADE:
free_share();
DBUG_RETURN(rc);
/* purecov: end */
}
else if (rc == HA_ERR_OUT_OF_MEM)
{
/* fall through */
default:
DBUG_RETURN(rc);
}