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", "|");
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) DEFAULT 'world',
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);
ALTER TABLE t1 ADD COLUMN c26 INT DEFAULT 20, ALGORITHM = INSTANT;
ALTER TABLE t1 ADD COLUMN c27 BIGINT UNSIGNED DEFAULT 50, ALGORITHM = INSTANT;
ALTER TABLE t1 ADD COLUMN c28 VARCHAR(20) DEFAULT 'hello', ALGORITHM = INSTANT;
UPDATE t1 SET c27 = 100 WHERE c1 < 'D';
INSERT INTO innodb_memcache.containers VALUES ("desc_t1", "test", "t1",
"c1", "c2,c21,c22,c23,c24,c25,c26,c27,c28", "c3", "c4", "c5", "PRIMARY");
INSTALL PLUGIN daemon_memcached SONAME 'libmemcached.so';
SELECT c1,c2,c21,c22,c23,c24,c25,c26,c27,c28 FROM t1;
c1	c2	c21	c22	c23	c24	c25	c26	c27	c28
B	Berlin	Mitte	NULL	bbbbbbbbbbbbbb	2345	2012	20	100	hello
C	Cottbus	West	3	NULL	3456	2012	20	100	hello
D	Darmstadt	NULL	1	dddddddddddddd	1234	NULL	20	50	hello
H	NULL	NULL	NULL	hhhhhhhhhh	NULL	NULL	20	50	hello
Here are the memcached results with D,B,H,C:
Darmstadt||1|dddddddddddddd|1234||20|50|hello
Berlin|Mitte||bbbbbbbbbbbbbb|2345|2012|20|100|hello
|||hhhhhhhhhh|||20|50|hello
Cottbus|West|3||3456|2012|20|100|hello
SELECT c1,c2,c21,c22,c23,c24,c25,c26,c27,c28 FROM t1;
c1	c2	c21	c22	c23	c24	c25	c26	c27	c28
B	Berlin	Mitte	NULL	bbbbbbbbbbbbbb	2345	2012	20	100	hello
C	Cottbus	West	3	NULL	3456	2012	20	100	hello
D	Darmstadt	NULL	1	dddddddddddddd	1234	NULL	20	50	hello
H	NULL	NULL	NULL	hhhhhhhhhh	NULL	NULL	20	50	hello
Here are the memcached results after set:
Essen|5678|2012|'germany'|'western'|'city'|100|200|'Hello world'
SELECT c1,c2,c21,c22,c23,c24,c25,c26,c27,c28 FROM t1;
c1	c2	c21	c22	c23	c24	c25	c26	c27	c28
B	Berlin	Mitte	NULL	bbbbbbbbbbbbbb	2345	2012	20	100	hello
C	Cottbus	West	3	NULL	3456	2012	20	100	hello
D	Darmstadt	NULL	1	dddddddddddddd	1234	NULL	20	50	hello
E	Essen	5678	2012	'germany'	'western'	'city'	100	200	'Hello world'
H	NULL	NULL	NULL	hhhhhhhhhh	NULL	NULL	20	50	hello
Here are the memcached results after add:
Frankfurt|Airport|2012||||||
SELECT c1,c2,c21,c22,c23,c24,c25,c26,c27,c28 FROM t1;
c1	c2	c21	c22	c23	c24	c25	c26	c27	c28
B	Berlin	Mitte	NULL	bbbbbbbbbbbbbb	2345	2012	20	100	hello
C	Cottbus	West	3	NULL	3456	2012	20	100	hello
D	Darmstadt	NULL	1	dddddddddddddd	1234	NULL	20	50	hello
E	Essen	5678	2012	'germany'	'western'	'city'	100	200	'Hello world'
F	Frankfurt	Airport	2012	NULL	NULL	NULL	NULL	NULL	NULL
H	NULL	NULL	NULL	hhhhhhhhhh	NULL	NULL	20	50	hello
Here are the memcached results after replace:
Frankfurt a.M.|Sachsenhausen|61|fffff|6789||||
SELECT c1,c2,c21,c22,c23,c24,c25,c26,c27,c28 FROM t1;
c1	c2	c21	c22	c23	c24	c25	c26	c27	c28
B	Berlin	Mitte	NULL	bbbbbbbbbbbbbb	2345	2012	20	100	hello
C	Cottbus	West	3	NULL	3456	2012	20	100	hello
D	Darmstadt	NULL	1	dddddddddddddd	1234	NULL	20	50	hello
E	Essen	5678	2012	'germany'	'western'	'city'	100	200	'Hello world'
F	Frankfurt a.M.	Sachsenhausen	61	fffff	6789	NULL	NULL	NULL	NULL
H	NULL	NULL	NULL	hhhhhhhhhh	NULL	NULL	20	50	hello
Here are the memcached results after delete:
Essen|5678|2012|'germany'|'western'|'city'|100|200|'Hello world'
SELECT c1,c2,c21,c22,c23,c24,c25,c26,c27,c28 FROM t1;
c1	c2	c21	c22	c23	c24	c25	c26	c27	c28
B	Berlin	Mitte	NULL	bbbbbbbbbbbbbb	2345	2012	20	100	hello
C	Cottbus	West	3	NULL	3456	2012	20	100	hello
D	Darmstadt	NULL	1	dddddddddddddd	1234	NULL	20	50	hello
E	Essen	5678	2012	'germany'	'western'	'city'	100	200	'Hello world'
H	NULL	NULL	NULL	hhhhhhhhhh	NULL	NULL	20	50	hello
DROP TABLE t1;
UNINSTALL PLUGIN daemon_memcached;
DROP DATABASE innodb_memcache;
SET @@global.transaction_isolation= @transaction_isolation;