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,c22,c23,c24,c25", "c3", "c4", "c5", "PRIMARY");
USE test;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1        (c1 VARCHAR(32),
c2 VARCHAR(40),
c21 VARCHAR(40),
c22 VARCHAR(40),
c23 VARCHAR(40),
c24 VARCHAR(40),
c25 VARCHAR(40),
c3 INT, c4 BIGINT UNSIGNED, c5 INT, primary key(c1))
ENGINE = INNODB;
INSERT INTO t1 VALUES ('D', 'Darmstadt', NULL,'1', 'dddddddddddddd', '1234', NULL, 0, 0, 0);
INSERT INTO t1 VALUES ('B', 'Berlin', 'Mitte', NULL, 'bbbbbbbbbbbbbb', '2345', '2012', 0, 0, 0);
INSERT INTO t1 VALUES ('C', 'Cottbus', 'West', '3', NULL, '3456', '2012', 0, 0 ,0);
INSERT INTO t1 VALUES ('H', NULL, NULL, NULL, 'hhhhhhhhhh', NULL, NULL, 0, 0, 0);
INSTALL PLUGIN daemon_memcached SONAME 'libmemcached.so';
SELECT c1,c2,c21,c22,c23,c24,c25 FROM t1;
c1	c2	c21	c22	c23	c24	c25
B	Berlin	Mitte	NULL	bbbbbbbbbbbbbb	2345	2012
C	Cottbus	West	3	NULL	3456	2012
D	Darmstadt	NULL	1	dddddddddddddd	1234	NULL
H	NULL	NULL	NULL	hhhhhhhhhh	NULL	NULL
Here are the memcached results with D,B,H,C:
Darmstadt||1|dddddddddddddd|1234|
Berlin|Mitte||bbbbbbbbbbbbbb|2345|2012
|||hhhhhhhhhh||
Cottbus|West|3||3456|2012
SELECT c1,c2,c21,c22,c23,c24,c25 FROM t1;
c1	c2	c21	c22	c23	c24	c25
B	Berlin	Mitte	NULL	bbbbbbbbbbbbbb	2345	2012
C	Cottbus	West	3	NULL	3456	2012
D	Darmstadt	NULL	1	dddddddddddddd	1234	NULL
H	NULL	NULL	NULL	hhhhhhhhhh	NULL	NULL
Here are the memcached results after set:
Essen|5678|2012|||
SELECT c1,c2,c21,c22,c23,c24,c25 FROM t1;
c1	c2	c21	c22	c23	c24	c25
B	Berlin	Mitte	NULL	bbbbbbbbbbbbbb	2345	2012
C	Cottbus	West	3	NULL	3456	2012
D	Darmstadt	NULL	1	dddddddddddddd	1234	NULL
E	Essen	5678	2012	NULL	NULL	NULL
H	NULL	NULL	NULL	hhhhhhhhhh	NULL	NULL
Here are the memcached results after add:
Frankfurt|Airport|2012|||
SELECT c1,c2,c21,c22,c23,c24,c25 FROM t1;
c1	c2	c21	c22	c23	c24	c25
B	Berlin	Mitte	NULL	bbbbbbbbbbbbbb	2345	2012
C	Cottbus	West	3	NULL	3456	2012
D	Darmstadt	NULL	1	dddddddddddddd	1234	NULL
E	Essen	5678	2012	NULL	NULL	NULL
F	Frankfurt	Airport	2012	NULL	NULL	NULL
H	NULL	NULL	NULL	hhhhhhhhhh	NULL	NULL
Here are the memcached results after replace:
Frankfurt a.M.|Sachsenhausen|61|fffff|6789|
SELECT c1,c2,c21,c22,c23,c24,c25 FROM t1;
c1	c2	c21	c22	c23	c24	c25
B	Berlin	Mitte	NULL	bbbbbbbbbbbbbb	2345	2012
C	Cottbus	West	3	NULL	3456	2012
D	Darmstadt	NULL	1	dddddddddddddd	1234	NULL
E	Essen	5678	2012	NULL	NULL	NULL
F	Frankfurt a.M.	Sachsenhausen	61	fffff	6789	NULL
H	NULL	NULL	NULL	hhhhhhhhhh	NULL	NULL
Here are the memcached results after delete:
Essen|5678|2012|||
SELECT c1,c2,c21,c22,c23,c24,c25 FROM t1;
c1	c2	c21	c22	c23	c24	c25
B	Berlin	Mitte	NULL	bbbbbbbbbbbbbb	2345	2012
C	Cottbus	West	3	NULL	3456	2012
D	Darmstadt	NULL	1	dddddddddddddd	1234	NULL
E	Essen	5678	2012	NULL	NULL	NULL
H	NULL	NULL	NULL	hhhhhhhhhh	NULL	NULL
DROP TABLE t1;
UNINSTALL PLUGIN daemon_memcached;
DROP DATABASE innodb_memcache;
SET @@global.transaction_isolation= @transaction_isolation;