database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

BUG#17620: Row-based replication fails when query cache enabled on slave

Browse Source 
Invalidating query cache when processing rows for a statement on the slave.


mysql-test/r/rpl_row_basic_11bugs.result:
  Result file change
mysql-test/t/rpl_row_basic_11bugs.test:
  Adding test to trigger failure
sql/log_event.cc:
  Adding code to invalidate the query cache just after opening the tables
  for processing the rows of one statement.
This commit is contained in:
unknown
2006-09-06 17:45:27 +02:00
parent 0014295da5
commit d247c70d26
3 changed files with 86 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
mysql-test/r/rpl_row_basic_11bugs.result
View File

@ -60,3 +60,43 @@ master-bin.000001 4 Format_desc 1 102 Server ver: SERVER_VERSION, Binlog ver: 4
master-bin.000001 102 Query 1 188 use `test`; CREATE TABLE t1 (a INT)
master-bin.000001 188 Table_map 1 227 table_id: # (test.t1)
master-bin.000001 227 Write_rows 1 266 table_id: # flags: STMT_END_F
DROP TABLE t1;
================ Test for BUG#17620 ================
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
reset master;
reset slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
start slave;
**** On Slave ****
SET GLOBAL QUERY_CACHE_SIZE=0;
**** On Master ****
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2),(3);
**** On Slave ****
SET GLOBAL QUERY_CACHE_SIZE=16*1024*1024;
**** On Master ****
INSERT INTO t1 VALUES (4),(5),(6);
**** On Slave ****
SELECT * FROM t1;
a
1
2
3
4
5
6
**** On Master ****
INSERT INTO t1 VALUES (7),(8),(9);
**** On Slave ****
SELECT * FROM t1;
a
1
2
3
4
5
6
7
8
9
DROP TABLE t1;

40
mysql-test/t/rpl_row_basic_11bugs.test
View File

@ -54,3 +54,43 @@ UPDATE t1 SET a=99 WHERE a = 0;
--replace_result $SERVER_VERSION SERVER_VERSION
--replace_regex /table_id: [0-9]+/table_id: #/
SHOW BINLOG EVENTS;
DROP TABLE t1;
# BUG#17620: Replicate (Row Based) Fails when Query Cache enabled on
# slave
--echo ================ Test for BUG#17620 ================
--disable_query_log
--source include/master-slave-reset.inc
--enable_query_log
--echo **** On Slave ****
connection slave;
SET GLOBAL QUERY_CACHE_SIZE=0;
--echo **** On Master ****
connection master;
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2),(3);
--echo **** On Slave ****
sync_slave_with_master;
SET GLOBAL QUERY_CACHE_SIZE=16*1024*1024;
--echo **** On Master ****
connection master;
INSERT INTO t1 VALUES (4),(5),(6);
--echo **** On Slave ****
sync_slave_with_master;
SELECT * FROM t1;
--echo **** On Master ****
connection master;
INSERT INTO t1 VALUES (7),(8),(9);
--echo **** On Slave ****
sync_slave_with_master;
SELECT * FROM t1;
DROP TABLE t1;

6
sql/log_event.cc
View File

@ -5425,6 +5425,9 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
/*
When the open and locking succeeded, we add all the tables to
the table map and remove them from tables to lock.
We also invalidate the query cache for all the tables, since
they will now be changed.
*/
TABLE_LIST *ptr;
@ -5433,6 +5436,9 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
rli->m_table_map.set_table(ptr->table_id, ptr->table);
rli->touching_table(ptr->db, ptr->table_name, ptr->table_id);
}
#ifdef HAVE_QUERY_CACHE
query_cache.invalidate_locked_for_write(rli->tables_to_lock);
#endif
rli->clear_tables_to_lock();
}