INSERT INTO cache_policies VALUES("cache_policy", "innodb_only",
"innodb_only", "innodb_only", "innodb_only");
INSERT INTO config_options VALUES("separator", "0");
INSERT INTO containers VALUES ("desc_t1", "test", "t1", "c1", "c2,
c21,c22,c23,c24,c25", "c3", "c4", "c5", "PRIMARY");
INSERT INTO containers VALUES ("desc_t2", "test", "t2", "c1",
"c2,c3", "c4", "c5", "c6", "PRIMARY");
USE test;
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
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', 'City','1', 'dddddddddddddd', '1234', '2012', 0, 0, 0);
INSERT INTO t1 VALUES ('B', 'Berlin', 'Mitte', '2', 'bbbbbbbbbbbbbb', '2345', '2012', 0, 0, 0);
INSERT INTO t1 VALUES ('C', 'Cottbus', 'West', '3', 'cccccccccccccc', '3456', '2012', 0, 0 ,0);
INSERT INTO t1 VALUES ('H', 'Hamburg', 'Norderstedt', '4', 'hhhhhhhhhh', '4567', '2012', 0, 0, 0);
INSERT INTO t1 VALUES ('N', NULL, NULL, NULL, NULL, NULL, '2012', 0, 0, 0);
CREATE TABLE t2(c1 VARCHAR(32),c2 VARCHAR(1024),c3 VARCHAR(1024),
c4 INT, c5 BIGINT UNSIGNED, c6 INT, primary key(c1)) ENGINE=InnoDB;
INSERT INTO t2 VALUES ('DD','DELHI','DAHAR', 0, 0, 0);
INSERT INTO t2 VALUES ('BB','BOMBAY', 'BANGALORE', 0, 0, 0);
INSERT INTO t2 VALUES ('CC','CALICUTT','CHENNAI', 0, 0 ,0);
INSERT INTO t2 VALUES ('HH','HYDERABAD','HOSPET', 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	2	bbbbbbbbbbbbbb	2345	2012
C	Cottbus	West	3	cccccccccccccc	3456	2012
D	Darmstadt	City	1	dddddddddddddd	1234	2012
H	Hamburg	Norderstedt	4	hhhhhhhhhh	4567	2012
N	NULL	NULL	NULL	NULL	NULL	2012
# case 1: Fetch results for all Keys
Here are the memcached results with D B C H D B C H N:
B => Berlin0Mitte020bbbbbbbbbbbbbb0234502012
C => Cottbus0West030cccccccccccccc0345602012
D => Darmstadt0City010dddddddddddddd0123402012
H => Hamburg0Norderstedt040hhhhhhhhhh0456702012
N => 000002012
SELECT SLEEP(2);
SLEEP(2)
0
SELECT c1,c2,c21,c22,c23,c24,c25 FROM t1;
c1	c2	c21	c22	c23	c24	c25
B	Berlin	Mitte	2	bbbbbbbbbbbbbb	2345	2012
C	Cottbus	West	3	cccccccccccccc	3456	2012
D	Darmstadt	City	1	dddddddddddddd	1234	2012
H	Hamburg	Norderstedt	4	hhhhhhhhhh	4567	2012
N	NULL	NULL	NULL	NULL	NULL	2012
# case 2: Fetch results, when no values are exist for some keys
Here are the memcached results with D B C H I J K L M N O P NULL Q R S T U V X Y Z A D B C H:
B => Berlin0Mitte020bbbbbbbbbbbbbb0234502012
C => Cottbus0West030cccccccccccccc0345602012
D => Darmstadt0City010dddddddddddddd0123402012
H => Hamburg0Norderstedt040hhhhhhhhhh0456702012
N => 000002012
SELECT SLEEP(2);
SLEEP(2)
0
SELECT c1,c2,c3 FROM t2;
c1	c2	c3
BB	BOMBAY	BANGALORE
CC	CALICUTT	CHENNAI
DD	DELHI	DAHAR
HH	HYDERABAD	HOSPET
# case 3: No support switch between the tables t2 and t1
# Here it shows the results of table t2 and not for t1
Here are the memcached results with @@desc_t2.DD @@desc_t2.BB @@desc_t2.CC @@desc_t1.c @@desc_t2.HH @@desc_t1.H:
@@desc_t2.BB => BOMBAY0BANGALORE
@@desc_t2.CC => CALICUTT0CHENNAI
@@desc_t2.DD => DELHI0DAHAR
@@desc_t2.HH => HYDERABAD0HOSPET
SELECT SLEEP(2);
SLEEP(2)
0
SELECT c1,c2,c21,c22,c23,c24,c25 FROM t1;
c1	c2	c21	c22	c23	c24	c25
B	Berlin	Mitte	2	bbbbbbbbbbbbbb	2345	2012
C	Cottbus	West	3	cccccccccccccc	3456	2012
D	Darmstadt	City	1	dddddddddddddd	1234	2012
H	Hamburg	Norderstedt	4	hhhhhhhhhh	4567	2012
N	NULL	NULL	NULL	NULL	NULL	2012
DROP TABLE t1;
DROP TABLE t2;
UNINSTALL PLUGIN daemon_memcached;
DROP DATABASE innodb_memcache;