SET @transaction_isolation= @@global.transaction_isolation; SET GLOBAL TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; INSERT INTO cache_policies VALUES("cache_policy", "innodb_only", "innodb_only", "innodb_only", "innodb_only"); INSERT INTO config_options VALUES("separator", "|"); INSERT INTO containers VALUES ("desc_t1", "test", "t1", "c1", "c2,c21", "c3", "c4", "c5", "PRIMARY"); CREATE USER mysqltest1@localhost; CREATE USER mysqltest2@localhost; connect mysqltest1,localhost,mysqltest1,,; connect mysqltest2,localhost,mysqltest2,,; connection mysqltest1; USE test; DROP TABLE IF EXISTS t1; CREATE TABLE t1 (c1 VARCHAR(32), c2 VARCHAR(1024), c21 VARCHAR(1024), c3 INT, c4 BIGINT UNSIGNED, c5 INT, primary key(c1)) ENGINE = INNODB; DROP TABLE IF EXISTS t2; CREATE TABLE t2 (c1 VARCHAR(32), c2 VARCHAR(255), c21 VARCHAR(255), c3 INT, c4 BIGINT UNSIGNED, c5 INT, primary key(c1)) ENGINE = INNODB; INSERT INTO t1 VALUES ('D', 'Darmstadt', 'City', 0, 0, 0); INSERT INTO t1 VALUES ('B', 'Berlin', 'Mitte', 0, 0, 0); INSERT INTO t1 VALUES ('C', 'Cottbus', 'West', 0, 0 ,0); INSERT INTO t1 VALUES ('H', 'Hamburg', 'Norderstedt', 0, 0, 0); INSERT INTO t2 VALUES ('D', 'Darmstadt', 'City', 0, 0, 0); INSERT INTO t2 VALUES ('B', 'Berlin', 'Mitte', 0, 0, 0); INSERT INTO t2 VALUES ('C', 'Cottbus', 'West', 0, 0 ,0); INSERT INTO t2 VALUES ('H', 'Hamburg', 'Norderstedt', 0, 0, 0); connection default; INSTALL PLUGIN daemon_memcached SONAME 'libmemcached.so'; connection mysqltest2; USE test; SELECT c1,c2,c21 FROM t1; c1 c2 c21 B Berlin Mitte C Cottbus West D Darmstadt City H Hamburg Norderstedt connection mysqltest1; LOCK TABLES t2 READ; connection mysqltest2; Here are the memcached results with D,B,H,C: Darmstadt|City Berlin|Mitte Hamburg|Norderstedt Cottbus|West SELECT c1,c2,c21 FROM t1; c1 c2 c21 B Berlin Mitte C Cottbus West D Darmstadt City H Hamburg Norderstedt connection mysqltest1; UNLOCK TABLES; connection mysqltest2; Here are the memcached results after set: Essen|Ost SELECT c1,c2,c21 FROM t1; c1 c2 c21 B Berlin Mitte C Cottbus West D Darmstadt City E Essen Ost H Hamburg Norderstedt connection mysqltest1; LOCK TABLES t2 WRITE; Here are the memcached results after add: Frankfurt|Sachsenhause SELECT c1,c2,c21 FROM t1; ERROR HY000: Table 't1' was not locked with LOCK TABLES Here are the memcached results after replace: Frankfurt a. M.|Sachsenhausen SELECT c1,c2,c21 FROM t1; ERROR HY000: Table 't1' was not locked with LOCK TABLES Here are the memcached results after delete: SELECT c1,c2,c21 FROM t1; ERROR HY000: Table 't1' was not locked with LOCK TABLES Here are the memcached results after add Frankfurt|: Frankfurt| Here are the memcached results after add |Airport: Frankfurt| SELECT c1,c2,c21 FROM t1; ERROR HY000: Table 't1' was not locked with LOCK TABLES connection mysqltest1; UNLOCK TABLES; Here are the memcached results after replace Frankfurt a.M.: Frankfurt a. M.| Here are the memcached results after replace Sachsenhausen: |Sachsenhausen SELECT c1,c2,c21 FROM t1; c1 c2 c21 B Berlin Mitte C Cottbus West D Darmstadt City E Essen Ost F NULL Sachsenhausen H Hamburg Norderstedt connection mysqltest1; DROP TABLE t1; DROP TABLE t2; connection default; disconnect mysqltest1; disconnect mysqltest2; UNINSTALL PLUGIN daemon_memcached; DROP DATABASE innodb_memcache; DROP USER mysqltest1@localhost; DROP USER mysqltest2@localhost; SET @@global.transaction_isolation= @transaction_isolation;