1berry/MariaDB-server
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fix for MDEV-15105 (memory loss with LOCK sequence)

Browse Source 
MDEV 15105 "Bytes lost and Assertion `global_status_var.global_memory_used == 0' fails on shutdown after attempts
to LOCK/RENAME sequence"
This commit is contained in:
Monty 2018-02-19 11:27:21 +02:00
parent 06ba07c269
commit ef3147b1d6
3 changed files with 13 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
mysql-test/suite/sql_sequence/rename.result Normal file
View File

@ -0,0 +1,6 @@
CREATE SEQUENCE seq1;
RENAME TABLE seq1 TO seq2, seq3 TO seq4;
ERROR 42S02: Table 'test.seq3' doesn't exist
LOCK TABLE seq1 READ;
UNLOCK TABLES;
drop table seq1;

6
mysql-test/suite/sql_sequence/rename.test Normal file
View File

@ -0,0 +1,6 @@
CREATE SEQUENCE seq1;
--error ER_NO_SUCH_TABLE
RENAME TABLE seq1 TO seq2, seq3 TO seq4;
LOCK TABLE seq1 READ;
UNLOCK TABLES;
drop table seq1;

2
sql/sql_sequence.cc
View File

@ -439,7 +439,7 @@ int SEQUENCE::read_initial_values(TABLE *table)
DBUG_ASSERT(table->reginfo.lock_type == TL_READ);
if (!(error= read_stored_values(table)))
initialized= SEQ_READY_TO_USE;
mysql_unlock_tables(thd, lock, 0);
mysql_unlock_tables(thd, lock);
if (mdl_lock_used)
thd->mdl_context.release_lock(mdl_request.ticket);