diff options
Diffstat (limited to 'mysql-test/suite/galera/t/galera_update_limit.test')
-rw-r--r-- | mysql-test/suite/galera/t/galera_update_limit.test | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/mysql-test/suite/galera/t/galera_update_limit.test b/mysql-test/suite/galera/t/galera_update_limit.test new file mode 100644 index 00000000000..baacf2a60b2 --- /dev/null +++ b/mysql-test/suite/galera/t/galera_update_limit.test @@ -0,0 +1,55 @@ +# +# UPDATE LIMIT should not cause any issues with row-based Galera replication +# regardless of the order in which the rows were updated +# + +--source include/galera_cluster.inc +--source include/have_innodb.inc + +# +# With a PK +# + +--connection node_1 +CREATE TABLE ten (f1 INTEGER) Engine=InnoDB; +INSERT INTO ten VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10); + +CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) Engine=InnoDB; +INSERT INTO t1 SELECT f1 FROM ten ORDER BY RAND(); + +--connection node_2 +UPDATE IGNORE t1 SET f1 = FLOOR(1 + (RAND() * 10)) ORDER BY RAND() LIMIT 5; + +# Check that the sum of all elements and the max element are identical across nodes +# as this will indicate that the same UPDATE was applied to both nodes + +--let $sum_rows = `SELECT SUM(f1) FROM t1` +--let $max_row = `SELECT MAX(f1) FROM t1` + +--connection node_1 +--disable_query_log +--eval SELECT (SELECT SUM(f1) FROM t1) = $sum_rows AS sum_matches; +--eval SELECT f1 = $max_row AS max_matches FROM t1 WHERE f1 = $max_row; +--enable_query_log + +DROP TABLE t1; + +# +# Without a PK +# + +CREATE TABLE t2 (f1 INTEGER) Engine=InnoDB; +INSERT INTO t2 SELECT f1 FROM ten ORDER BY RAND(); + +--connection node_2 +UPDATE IGNORE t2 SET f1 = FLOOR(1 + (RAND() * 10)) ORDER BY RAND() LIMIT 5; + +--let $sum_rows = `SELECT SUM(f1) FROM t2` + +--connection node_1 +--disable_query_log +--eval SELECT (SELECT SUM(f1) FROM t2) = $sum_rows AS sum_matches; +--enable_query_log + +DROP TABLE t2; +DROP TABLE ten; |