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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", "c3", "c4", "c5", "PRIMARY");
USE test;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (c1 VARCHAR(32),
c2 VARCHAR(1024),
c3 INT, c4 BIGINT UNSIGNED, c5 INT, primary key(c1))
ENGINE = INNODB;
INSERT INTO t1 VALUES ('D', 'Darmstadt', 0, 0, 0);
INSERT INTO t1 VALUES ('B', 'Berlin', 0, 0, 0);
INSERT INTO t1 VALUES ('C', 'Cottbus', 0, 0 ,0);
INSERT INTO t1 VALUES ('H', 'Hamburg', 0, 0, 0);
INSTALL PLUGIN daemon_memcached SONAME 'libmemcached.so';
Warnings:
Warning 1681 'InnoDB Memcached Plugin' is deprecated and will be removed in a future release.
SELECT c1,c2 FROM t1;
c1 c2
B Berlin
C Cottbus
D Darmstadt
H Hamburg
# Add E|Essen:
Ok.
# Add E|Essen:
Error: E|Essen is still existing.
SELECT c1,c2 FROM t1;
c1 c2
B Berlin
C Cottbus
D Darmstadt
E Essen
H Hamburg
# Here are the memcached results with E:
Essen
SELECT c1,c2 FROM t1;
c1 c2
B Berlin
C Cottbus
D Darmstadt
E Essen
H Hamburg
# Here are the memcached results with E,H:
Essen
Hamburg
UNINSTALL PLUGIN daemon_memcached;
use innodb_memcache;
DELETE FROM containers;
INSERT INTO containers VALUES ("desc_t2", "test", "t2",
"c1", "c2", "c3", "c4", "c5", "PRIMARY");
USE test;
DROP TABLE IF EXISTS t1;
CREATE TABLE t2 (c1 VARCHAR(32),
c2 VARCHAR(1024),
c3 INT, c4 BIGINT UNSIGNED, c5 INT, primary key(c1))
ENGINE = INNODB;
INSERT INTO t2 VALUES ('D', 't2_Darmstadt', 0, 0, 0);
INSERT INTO t2 VALUES ('B', 't2_Berlin', 0, 0, 0);
INSERT INTO t2 VALUES ('C', 't2_Cottbus', 0, 0 ,0);
INSERT INTO t2 VALUES ('H', 't2_Hamburg', 0, 0, 0);
INSTALL PLUGIN daemon_memcached SONAME 'libmemcached.so';
Warnings:
Warning 1681 'InnoDB Memcached Plugin' is deprecated and will be removed in a future release.
SELECT c1,c2 FROM t2;
c1 c2
B t2_Berlin
C t2_Cottbus
D t2_Darmstadt
H t2_Hamburg
# Add E|Essen:
Ok.
# Add E|Essen:
Error: E|Essen is still existing.
SELECT c1,c2 FROM t2;
c1 c2
B t2_Berlin
C t2_Cottbus
D t2_Darmstadt
E Essen
H t2_Hamburg
# Here are the memcached results with E:
Essen
SELECT c1,c2 FROM t2;
c1 c2
B t2_Berlin
C t2_Cottbus
D t2_Darmstadt
E Essen
H t2_Hamburg
# Here are the memcached results with E,H:
Essen
t2_Hamburg
UNINSTALL PLUGIN daemon_memcached;
use innodb_memcache;
DELETE FROM containers;
INSERT INTO containers VALUES ("desc_t2", NULL, "t2",
"c1", "c2", "c3", "c4", "c5", "PRIMARY");
ERROR 23000: Column 'db_schema' cannot be null
INSERT INTO containers VALUES ("desc_t2", "test", "t2",
NULL, "c2", "c3", "c4", "c5", "PRIMARY");
ERROR 23000: Column 'key_columns' cannot be null
DELETE FROM containers;
INSERT INTO containers VALUES ("desc_t2", "junk", "t2",
"c1", "c2", "c3", "c4", "c5", "PRIMARY");
INSTALL PLUGIN daemon_memcached SONAME 'libmemcached.so';
Warnings:
Warning 1681 'InnoDB Memcached Plugin' is deprecated and will be removed in a future release.
# This will fail, since memcached not initialized
UNINSTALL PLUGIN daemon_memcached;
DELETE FROM containers;
INSERT INTO containers VALUES ("desc_t2", "test", "t2",
"c1", "c2", "c3", "c4", "c5", "PRIMARY");
USE test;
DROP TABLE IF EXISTS t2;
CREATE TABLE t2 (c1 int,
c2 VARCHAR(1024),
c3 INT, c4 BIGINT UNSIGNED, c5 INT, primary key(c1))
ENGINE = INNODB;
INSERT INTO t2 VALUES (3, 't2_Hamburg', 0, 0, 0);
INSTALL PLUGIN daemon_memcached SONAME 'libmemcached.so';
Warnings:
Warning 1681 'InnoDB Memcached Plugin' is deprecated and will be removed in a future release.
# This will succeed, since memcached supports int as key
t2_Hamburg
use test;
DROP TABLE IF EXISTS t2;
CREATE TABLE t2 (c1 CHAR(10),
c2 VARCHAR(1024),
c3 INT, c4 INT, c5 INT, primary key(c1));
INSERT INTO t2 VALUES ('H', 't2_Hamburg', 0, 0, 0);
UNINSTALL PLUGIN daemon_memcached;
INSTALL PLUGIN daemon_memcached SONAME 'libmemcached.so';
Warnings:
Warning 1681 'InnoDB Memcached Plugin' is deprecated and will be removed in a future release.
# This will fail, since memcached not initialized
t2_Hamburg
UNINSTALL PLUGIN daemon_memcached;
use innodb_memcache;
DELETE FROM containers;
INSERT INTO containers VALUES ("desc_t2", "test", "t2",
"c1", "c2", "c3", "c4", "c5", "PRIMARY");
USE test;
DROP TABLE IF EXISTS t2;
CREATE TABLE t2 (c1 VARCHAR(32),
c2 VARCHAR(1024),
c3 INT, c4 BIGINT UNSIGNED, c5 INT, primary key(c1))
ENGINE = INNODB;
INSTALL PLUGIN daemon_memcached SONAME 'libmemcached.so';
Warnings:
Warning 1681 'InnoDB Memcached Plugin' is deprecated and will be removed in a future release.
SELECT c1,c2 FROM t2;
c1 c2
# Add E|Essen:
Ok.
SELECT MAX(c4) INTO @baseline_cas_value FROM t2;
SELECT c1, c2, c4-@baseline_cas_value as relative_cas FROM t2;
c1 c2 relative_cas
E Essen 0
# Add G|Gossen:
Ok.
Ok.
SELECT c1, c2, c4-@baseline_cas_value as relative_cas FROM t2;
c1 c2 relative_cas
E Essen 0
G Gossen 1
H Hamburg 2
SELECT c1,c2,c3,c4-@baseline_cas_value as relative_cas,c5 FROM test.t2;
c1 c2 c3 relative_cas c5
E Essen 0 0 0
G Gossen 0 1 0
H Hamburg 0 2 0
# Add B|Berlin expires in 1 seconds:
Ok.
select sleep(3);
sleep(3)
0
# Should not find B|Berlin, since it is expired
# Add C|Cottbus, expires 100 seconds:
Ok.
# Should be able to find C|Cottbus, assume it does not take 100s to get here
Cottbus
# Add J|Jilin
Ok.
# Should not find J|Jilin, it should be expired
UNINSTALL PLUGIN daemon_memcached;
use innodb_memcache;
DELETE FROM containers;
INSERT INTO containers VALUES ("desc_t2", "test", "t2",
"c1", "c2", "c3", "c4", "c5", "PRIMARY");
USE test;
DROP TABLE IF EXISTS t2;
CREATE TABLE t2 (c1 VARCHAR(32),
c2 VARCHAR(1024),
c3 INT, c4 BIGINT UNSIGNED, c5 INT, primary key(c1))
ENGINE = INNODB;
INSERT INTO t2 VALUES ('D', 't2_Darmstadt', 0, 0, 0);
INSERT INTO t2 VALUES ('B', 't2_Berlin', 0, 0, 0);
INSERT INTO t2 VALUES ('C', 't2_Cottbus', 0, 0 ,0);
INSERT INTO t2 VALUES ('H', 't2_Hamburg', 0, 0, 0);
INSTALL PLUGIN daemon_memcached SONAME 'libmemcached.so';
Warnings:
Warning 1681 'InnoDB Memcached Plugin' is deprecated and will be removed in a future release.
SELECT c1,c2 FROM t2;
c1 c2
B t2_Berlin
C t2_Cottbus
D t2_Darmstadt
H t2_Hamburg
# Add E|Essen:
Ok.
connection default;
c1 c2
# Add E|Essen:
Error: E|Essen is still existing.
c1 c2
# Here are the memcached results with E:
c1 c2
# Here are the memcached results with E,H:
alter table test.t2 change c2 c_new int;
show create table test.t2;
Table Create Table
t2 CREATE TABLE `t2` (
`c1` varchar(32) NOT NULL,
`c_new` int DEFAULT NULL,
`c3` int DEFAULT NULL,
`c4` bigint unsigned DEFAULT NULL,
`c5` int DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
INSTALL PLUGIN daemon_memcached SONAME 'libmemcached.so';
Warnings:
Warning 1681 'InnoDB Memcached Plugin' is deprecated and will be removed in a future release.
DROP TABLE t2;
UNINSTALL PLUGIN daemon_memcached;
DROP DATABASE innodb_memcache;
SET @@global.transaction_isolation= @transaction_isolation;
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