Compressed columns tests (replication and partition)

5 files changed, 3001 insertions, 0 deletions

diff --git a/mysql-test/include/column_compression_rpl.inc b/mysql-test/include/column_compression_rpl.inc
new file mode 100644
index 00000000000..7c8931a491f
--- /dev/null
+++ b/mysql-test/include/column_compression_rpl.inc
@@ -0,0 +1,260 @@
+
+--connection slave
+
+SET @saved_slave_type_conversions = @@slave_type_conversions;
+SET GLOBAL SLAVE_TYPE_CONVERSIONS = 'ALL_NON_LOSSY';
+
+--connection master
+if (!$engine_type)  {let $engine_type=`SELECT @@storage_engine`; let $engine_type2=`SELECT @@storage_engine`;}
+
+--disable_warnings
+DROP TABLE IF EXISTS t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+--enable_warnings
+
+echo --------------------------------------------------------------------------------------------------------------;
+echo --------------------------------------------COMPRESSED TO COMPRESSED------------------------------------------;
+echo --------------------------------------------------------------------------------------------------------------;
+
+--sync_slave_with_master
+eval CREATE TABLE  t1  (a BLOB COMPRESSED default "1111111111") ENGINE=$engine_type2;
+eval CREATE TABLE  t2  (a TINYBLOB COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE  t3  (a MEDIUMBLOB COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE  t4  (a LONGBLOB COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE  t5  (a TEXT COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE  t6  (a TINYTEXT COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE  t7  (a MEDIUMTEXT COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE  t8  (a LONGTEXT COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE  t9  (a VARCHAR(10000) COMPRESSED default "0") ENGINE=$engine_type2;
+eval CREATE TABLE  t10 (a VARBINARY(10000) COMPRESSED) ENGINE=$engine_type2;
+
+--connection master
+eval CREATE TABLE  t1  (a BLOB COMPRESSED default "1111111111") ENGINE=$engine_type;
+eval CREATE TABLE  t2  (a TINYBLOB COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE  t3  (a MEDIUMBLOB COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE  t4  (a LONGBLOB COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE  t5  (a TEXT COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE  t6  (a TINYTEXT COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE  t7  (a MEDIUMTEXT COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE  t8  (a LONGTEXT COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE  t9  (a VARCHAR(10000) COMPRESSED default "0") ENGINE=$engine_type;
+eval CREATE TABLE  t10 (a VARBINARY(10000) COMPRESSED) ENGINE=$engine_type;
+
+INSERT INTO t1(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),(default);
+INSERT INTO t2(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL); 
+INSERT INTO t3(a)  VALUES(REPEAT('a',100)),(REPEAT('v',2000)),("April"),(NULL);
+INSERT INTO t4(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("00-00-00");
+INSERT INTO t5(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t6(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL); 
+INSERT INTO t7(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',3000)),(NULL);
+INSERT INTO t8(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("qwerty");
+INSERT INTO t9(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("12-12-2009"),(default);
+INSERT INTO t10(a) VALUES(REPEAT('a',1000)),(REPEAT('v',2000)),(REPEAT('r',300)),(NULL), ("");
+
+echo --------------------------------------------------data on master------------------------------------------------;
+
+let $a= 10;
+while ($a)
+{
+	--sorted_result
+ 	eval SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t$a;
+ 	--sorted_result
+ 	eval SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t$a';
+ 	dec $a;
+}
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+
+echo --------------------------------------------------data on slave-------------------------------------------------;
+
+--sync_slave_with_master
+let $a= 10;
+while ($a)
+{
+	--sorted_result
+	eval SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t$a;
+	--sorted_result
+	eval SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t$a';
+	dec $a;
+}
+
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+
+--connection master
+DROP TABLE t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+FLUSH STATUS;
+
+echo -----------------------------------------------------------------------------------------------------------------;
+echo ---------------------------------------COMPRESSED TO NOT COMPRESSED----------------------------------------------;
+echo -----------------------------------------------------------------------------------------------------------------;
+
+--sync_slave_with_master
+FLUSH STATUS;
+eval CREATE TABLE t1  (a BLOB) ENGINE=$engine_type2;
+eval CREATE TABLE t2  (a TINYBLOB) ENGINE=$engine_type2;
+eval CREATE TABLE t3  (a MEDIUMBLOB) ENGINE=$engine_type2;
+eval CREATE TABLE t4  (a LONGBLOB) ENGINE=$engine_type2;
+eval CREATE TABLE t5  (a TEXT) ENGINE=$engine_type2;
+eval CREATE TABLE t6  (a TINYTEXT) ENGINE=$engine_type2;
+eval CREATE TABLE t7  (a MEDIUMTEXT) ENGINE=$engine_type2;
+eval CREATE TABLE t8  (a LONGTEXT) ENGINE=$engine_type2;
+eval CREATE TABLE t9  (a VARCHAR(10000)) ENGINE=$engine_type2;
+eval CREATE TABLE t10 (a VARBINARY(10000)) ENGINE=$engine_type2;
+
+--connection master
+eval CREATE TABLE IF NOT EXISTS t1  (a BLOB COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t2  (a TINYBLOB COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t3  (a MEDIUMBLOB COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t4  (a LONGBLOB COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t5  (a TEXT COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t6  (a TINYTEXT COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t7  (a MEDIUMTEXT COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t8  (a LONGTEXT COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t9  (a VARCHAR(10000) COMPRESSED) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t10 (a VARBINARY(10000) COMPRESSED) ENGINE=$engine_type;
+
+INSERT INTO t1(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t2(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL); 
+INSERT INTO t3(a)  VALUES(REPEAT('a',100)),(REPEAT('v',2000)),("April"),(NULL);
+INSERT INTO t4(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("00-00-00");
+INSERT INTO t5(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t6(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL); 
+INSERT INTO t7(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',3000)),(NULL);
+INSERT INTO t8(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("qwerty");
+INSERT INTO t9(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("12-12-2009");
+INSERT INTO t10(a) VALUES(REPEAT('a',1000)),(REPEAT('v',2000)),(REPEAT('r',300)),(NULL), ("");
+
+echo ---------------------------------------data on master-----------------------------------------------------------;
+
+let $a= 10;
+while ($a)
+{
+	--sorted_result
+	eval SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t$a;
+	--sorted_result
+ 	eval SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t$a';
+	dec $a;
+}
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+
+echo ---------------------------------------data on slave-------------------------------------------------------------;
+
+--sync_slave_with_master
+let $a= 10;
+while ($a)
+{
+	--sorted_result
+ 	eval SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t$a;
+	--sorted_result
+	eval SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t$a';
+	dec $a;
+}
+
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+--connection master
+DROP TABLE t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+FLUSH STATUS;
+
+echo -----------------------------------------------------------------------------------------------------------------;
+echo -----------------------------------NOT COMPRESSED to COMPRESSED--------------------------------------------------;
+echo -----------------------------------------------------------------------------------------------------------------;
+
+--sync_slave_with_master
+FLUSH STATUS;
+eval CREATE TABLE t1  (a BLOB COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE t2  (a TINYBLOB COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE t3  (a MEDIUMBLOB COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE t4  (a LONGBLOB COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE t5  (a TEXT COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE t6  (a TINYTEXT COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE t7  (a MEDIUMTEXT COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE t8  (a LONGTEXT COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE t9  (a VARCHAR(10000) COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE t10 (a VARBINARY(10000) COMPRESSED) ENGINE=$engine_type2;
+
+--connection master
+eval CREATE TABLE IF NOT EXISTS t1  (a BLOB) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t2  (a TINYBLOB) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t3  (a MEDIUMBLOB) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t4  (a LONGBLOB) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t5  (a TEXT) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t6  (a TINYTEXT) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t7  (a MEDIUMTEXT) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t8  (a LONGTEXT) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t9  (a VARCHAR(10000)) ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t10 (a VARBINARY(10000)) ENGINE=$engine_type;
+
+INSERT INTO t1(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t2(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL); 
+INSERT INTO t3(a)  VALUES(REPEAT('a',100)),(REPEAT('v',2000)),("April"),(NULL);
+INSERT INTO t4(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("00-00-00");
+INSERT INTO t5(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t6(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL); 
+INSERT INTO t7(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',3000)),(NULL);
+INSERT INTO t8(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("qwerty");
+INSERT INTO t9(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("12-12-2009");
+INSERT INTO t10(a) VALUES(REPEAT('a',1000)),(REPEAT('v',2000)),(REPEAT('r',300)),(NULL), ("");
+
+echo -----------------------------------data on master---------------------------------------------------------------;
+
+let $a= 10;
+while ($a)
+{
+	--sorted_result
+	eval SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t$a;
+	--sorted_result
+ 	eval SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t$a';
+	dec $a;
+}
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+
+echo -----------------------------------data on slave-----------------------------------------------------------------;
+
+--sync_slave_with_master
+let $a= 10;
+while ($a)
+{
+	--sorted_result
+	eval SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t$a;
+	--sorted_result
+	eval SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t$a';
+	dec $a;
+}
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+
+--connection master
+DROP TABLE t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+
+echo -----------------------------------------------------------------------------------------------------------------;
+echo ------varchar(1000)->varchar(999) compressed, varchar(1000) compressed->varchar(999) ----------------------------;
+echo -----------------------------------------------------------------------------------------------------------------;
+
+--sync_slave_with_master
+eval CREATE TABLE t1  (a VARCHAR(999) COMPRESSED) ENGINE=$engine_type2;
+eval CREATE TABLE t2  (a VARCHAR(999)) ENGINE=$engine_type2;
+show warnings;
+call mtr.add_suppression("Slave: Data too long for column 'a' at row 1 Error_code: 1406");
+call mtr.add_suppression("Slave: Table 't2' already exists Error_code: 1050");
+
+--connection master
+eval CREATE TABLE IF NOT EXISTS t1 (a VARCHAR(1000))ENGINE=$engine_type;
+eval CREATE TABLE IF NOT EXISTS t2 (a VARCHAR(1000) COMPRESSED)ENGINE=$engine_type;
+
+INSERT INTO t1(a) VALUES(REPEAT('a',1000)); 
+--connection slave
+--let $slave_sql_errno= 1406,1677
+--source include/wait_for_slave_sql_error_and_skip.inc
+show warnings;
+
+--connection master
+ INSERT INTO t2(a) VALUES(REPEAT('a',1000)); 
+--connection slave
+--let $slave_sql_errno= 1406,1677
+--source include/wait_for_slave_sql_error_and_skip.inc
+show warnings;
+
+SET GLOBAL SLAVE_TYPE_CONVERSIONS = @saved_slave_type_conversions;
+
+--connection master
+DROP TABLE t1,t2;
+--sync_slave_with_master
+
+
diff --git a/mysql-test/r/column_compression_parts.result b/mysql-test/r/column_compression_parts.result
new file mode 100644
index 00000000000..e0b54aec20c
--- /dev/null
+++ b/mysql-test/r/column_compression_parts.result
@@ -0,0 +1,293 @@
+DROP TABLE IF EXISTS t1,t2,t3,t4;
+FLUSH STATUS;
+---------------------------------------by range------------------------------------------
+CREATE TABLE t1 (i int, a VARCHAR(1000) COMPRESSED DEFAULT "AAA")
+PARTITION BY RANGE COLUMNS (a)(
+PARTITION p0 VALUES LESS THAN ('g') COMMENT "p0",
+PARTITION p1 VALUES LESS THAN ('m'),
+PARTITION p2 VALUES LESS THAN ('t'),
+PARTITION p3 VALUES LESS THAN ('w'));
+ALTER TABLE t1 ADD PARTITION (PARTITION p4 VALUES LESS THAN (MAXVALUE));
+INSERT INTO t1 VALUES (1,REPEAT('a',100)),(2,REPEAT('v',200)),(3,REPEAT('r',300)),(4,NULL);
+INSERT INTO t1 VALUES (5,REPEAT('k',500)),(6,'April'),(7,7),(8,""),(9,"M"),(10,DEFAULT);
+ALTER TABLE t1 ANALYZE PARTITION p1;
+Table	Op	Msg_type	Msg_text
+test.t1	analyze	status	OK
+ALTER TABLE t1 CHECK PARTITION p2;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+SELECT i,SUBSTRING(a,1,10) FROM t1 PARTITION (p2) ORDER BY i;
+i	SUBSTRING(a,1,10)
+3	rrrrrrrrrr
+9	M
+SELECT i,SUBSTRING(a,1,10) FROM t1 where length(a)>=300 ORDER BY i;
+i	SUBSTRING(a,1,10)
+3	rrrrrrrrrr
+5	kkkkkkkkkk
+SELECT i,SUBSTRING(a,1,10) FROM t1 where a like "%k" ORDER BY i;
+i	SUBSTRING(a,1,10)
+5	kkkkkkkkkk
+DELETE FROM t1 where a="";
+DELETE FROM t1 where a=(REPEAT('a',100));
+DELETE FROM t1 where a like "%v";
+SELECT i,SUBSTRING(a,1,10) FROM t1 ORDER BY i;
+i	SUBSTRING(a,1,10)
+3	rrrrrrrrrr
+4	NULL
+5	kkkkkkkkkk
+6	April
+7	7
+9	M
+10	AAA
+SELECT i,SUBSTRING(a,1,10) FROM t1 where a not like "%k" ORDER BY i;
+i	SUBSTRING(a,1,10)
+3	rrrrrrrrrr
+6	April
+7	7
+9	M
+10	AAA
+SELECT i,SUBSTRING(a,1,10) FROM t1 where (a>'m') ORDER BY i;
+i	SUBSTRING(a,1,10)
+3	rrrrrrrrrr
+SELECT i,SUBSTRING(a,1,10) FROM t1 where (a between 'h' and 'z') and (i=9) ORDER BY i;
+i	SUBSTRING(a,1,10)
+9	M
+EXPLAIN PARTITIONS SELECT i,SUBSTRING(a,1,10) FROM t1 where (a>'m');
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p2,p3,p4	ALL	NULL	NULL	NULL	NULL	2	Using where
+EXPLAIN PARTITIONS SELECT i,SUBSTRING(a,1,10) FROM t1 where (a<'w');
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p0,p1,p2,p3	ALL	NULL	NULL	NULL	NULL	7	Using where
+ALTER TABLE t1 TRUNCATE PARTITION p2;
+ALTER TABLE t1 DROP PARTITION p0;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` int(11) DEFAULT NULL,
+  `a` varchar(1000) /*!100301 COMPRESSED*/ DEFAULT 'AAA'
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+ PARTITION BY RANGE  COLUMNS(`a`)
+(PARTITION `p1` VALUES LESS THAN ('m') ENGINE = MyISAM,
+ PARTITION `p2` VALUES LESS THAN ('t') ENGINE = MyISAM,
+ PARTITION `p3` VALUES LESS THAN ('w') ENGINE = MyISAM,
+ PARTITION `p4` VALUES LESS THAN (MAXVALUE) ENGINE = MyISAM)
+ALTER TABLE t1 MODIFY COLUMN a VARCHAR(1000);
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` int(11) DEFAULT NULL,
+  `a` varchar(1000) DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+ PARTITION BY RANGE  COLUMNS(`a`)
+(PARTITION `p1` VALUES LESS THAN ('m') ENGINE = MyISAM,
+ PARTITION `p2` VALUES LESS THAN ('t') ENGINE = MyISAM,
+ PARTITION `p3` VALUES LESS THAN ('w') ENGINE = MyISAM,
+ PARTITION `p4` VALUES LESS THAN (MAXVALUE) ENGINE = MyISAM)
+DROP TABLE t1;
+---------------------------------------------------------------------------------------------
+CREATE TABLE t1 (a VARCHAR(1000) COMPRESSED  NOT NULL, id INT)	
+PARTITION BY RANGE COLUMNS(id,a)(
+PARTITION p0 VALUES LESS THAN (100,'sss'),
+PARTITION p1 VALUES LESS THAN (MAXVALUE,MAXVALUE));
+INSERT INTO t1 VALUES (REPEAT('a',100), 23),(REPEAT('v',100),123),(REPEAT('z',100),24),(REPEAT('k',100),124);
+SELECT id,SUBSTRING(a,1,10) FROM t1 order by id;
+id	SUBSTRING(a,1,10)
+23	aaaaaaaaaa
+24	zzzzzzzzzz
+123	vvvvvvvvvv
+124	kkkkkkkkkk
+SELECT * from t1 partition (p0);
+a	id
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa	23
+zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz	24
+SELECT * from t1 partition (p1);
+a	id
+vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv	123
+kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk	124
+INSERT INTO t1 VALUES (REPEAT('a',100),101);
+SELECT * from t1 partition (p0);
+a	id
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa	23
+zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz	24
+SELECT * from t1 partition (p1);
+a	id
+vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv	123
+kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk	124
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa	101
+ALTER TABLE t1 DROP PARTITION p1;
+SELECT id,SUBSTRING(a,1,10) FROM t1 WHERE id<50 order by id;
+id	SUBSTRING(a,1,10)
+23	aaaaaaaaaa
+24	zzzzzzzzzz
+INSERT INTO t1 VALUES (REPEAT('a',100),101);
+ERROR HY000: Table has no partition for value from column_list
+ALTER TABLE t1 ALTER COLUMN a SET DEFAULT 'qwerty';
+ALTER TABLE t1 ALTER COLUMN a DROP DEFAULT;
+ALTER TABLE t1 MODIFY COLUMN a VARCHAR(1000);
+ALTER TABLE t1 ALTER COLUMN a DROP DEFAULT;
+INSERT INTO t1 VALUES (REPEAT('b',100),11);
+INSERT INTO t1 VALUES (default,10);
+ERROR HY000: Field 'a' doesn't have a default value
+ALTER TABLE t1 MODIFY COLUMN a VARCHAR(1000) COMPRESSED;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` varchar(1000) /*!100301 COMPRESSED*/ DEFAULT NULL,
+  `id` int(11) DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+ PARTITION BY RANGE  COLUMNS(`id`,`a`)
+(PARTITION `p0` VALUES LESS THAN (100,'sss') ENGINE = MyISAM)
+SELECT * from t1 ORDER BY id;
+a	id
+bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb	11
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa	23
+zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz	24
+DROP TABLE t1;
+----------------------------1 partition--------------------------------------------------
+CREATE TABLE t1 (a VARCHAR(1000) COMPRESSED DEFAULT "10-12-2010")
+PARTITION BY RANGE COLUMNS (a) (partition p0 VALUES LESS THAN (MAXVALUE));
+INSERT INTO t1 VALUES (REPEAT('a',100)), (REPEAT('v',200)), (REPEAT('Z',300)),(NULL),(DEFAULT);
+INSERT INTO t1 VALUES (DEFAULT),(REPEAT('b',200)),(REPEAT('q',300)),(DEFAULT),("MAY");
+SELECT SUBSTRING(a,1,10) FROM t1;
+SUBSTRING(a,1,10)
+10-12-2010
+10-12-2010
+10-12-2010
+MAY
+NULL
+ZZZZZZZZZZ
+aaaaaaaaaa
+bbbbbbbbbb
+qqqqqqqqqq
+vvvvvvvvvv
+-----------------------------------------by key------------------------------------------
+ALTER TABLE t1 PARTITION BY KEY(a) PARTITIONS 6;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` varchar(1000) /*!100301 COMPRESSED*/ DEFAULT '10-12-2010'
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+ PARTITION BY KEY (`a`)
+PARTITIONS 6
+UPDATE t1 SET a="NEW" where length(a)<20;
+SELECT SUBSTRING(a,1,10) FROM t1;
+SUBSTRING(a,1,10)
+NEW
+NEW
+NEW
+NEW
+NULL
+ZZZZZZZZZZ
+aaaaaaaaaa
+bbbbbbbbbb
+qqqqqqqqqq
+vvvvvvvvvv
+CREATE TABLE t2 (a VARBINARY(1000) COMPRESSED)
+PARTITION BY KEY(a) PARTITIONS 3;
+ALTER TABLE t2 PARTITION BY LINEAR KEY ALGORITHM=2 (a) PARTITIONS 32;
+INSERT INTO t2 VALUES (REPEAT('a',100)),(REPEAT('v',6)),(REPEAT('z',13)),(REPEAT('k',900));
+SELECT SUBSTRING(a,1,10) FROM t2;
+SUBSTRING(a,1,10)
+aaaaaaaaaa
+kkkkkkkkkk
+vvvvvv
+zzzzzzzzzz
+CREATE TABLE t3 ( a VARCHAR(1000) COMPRESSED DEFAULT NULL)
+PARTITION BY LINEAR KEY(a) PARTITIONS 3;
+INSERT INTO t3 VALUES (REPEAT('a',100)),(REPEAT('v',100)),(NULL),(REPEAT('k',100)),(DEFAULT);
+SELECT SUBSTRING(a,1,10) FROM t3 where a<>NULL;
+SUBSTRING(a,1,10)
+CREATE TABLE t4 (a VARBINARY(1000) COMPRESSED NOT NULL DEFAULT 0 COMMENT "QQ")
+PARTITION BY LINEAR KEY(a)
+PARTITIONS 3;
+INSERT INTO t4 VALUES (REPEAT('a',100)),('0'),(DEFAULT),(DEFAULT),(REPEAT('v',100)),(REPEAT('k',100));
+SELECT SUBSTRING(a,1,10) FROM t4 where length(a)>3;
+SUBSTRING(a,1,10)
+aaaaaaaaaa
+kkkkkkkkkk
+vvvvvvvvvv
+DROP TABLE t1,t2,t3,t4;
+-----------------------------------subpartitions------------------------------------------
+CREATE TABLE t1 (a VARCHAR(1000) COMPRESSED, id INT NOT NULL)
+PARTITION BY RANGE(id)
+SUBPARTITION BY KEY(a) SUBPARTITIONS 4
+(PARTITION p0 VALUES LESS THAN (5),
+PARTITION p1 VALUES LESS THAN (MAXVALUE));
+INSERT INTO t1 VALUES (REPEAT('a',100),23),(REPEAT('v',100),123),(REPEAT('z',100),24),(REPEAT('k',100),124);
+SELECT id,SUBSTRING(a,1,10) FROM t1 where a=(REPEAT('k',100)) order by id;
+id	SUBSTRING(a,1,10)
+124	kkkkkkkkkk
+DROP TABLE t1;
+-------------------------------------------------------------------------------------------
+CREATE TABLE t1 (a BLOB COMPRESSED)
+PARTITION BY KEY(a) partitions 30;
+ERROR HY000: A BLOB field is not allowed in partition function
+CREATE TABLE t1 (a VARCHAR(200) COMPRESSED) PARTITION BY KEY(a) partitions 30;
+ALTER TABLE t1 COALESCE PARTITION 20;
+ALTER TABLE t1 ADD PARTITION (PARTITION pm);
+CREATE TABLE t2 like t1;
+ALTER TABLE t2  REMOVE PARTITIONING;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` varchar(200) /*!100301 COMPRESSED*/ DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+ PARTITION BY KEY (`a`)
+(PARTITION `p0` ENGINE = MyISAM,
+ PARTITION `p1` ENGINE = MyISAM,
+ PARTITION `p2` ENGINE = MyISAM,
+ PARTITION `p3` ENGINE = MyISAM,
+ PARTITION `p4` ENGINE = MyISAM,
+ PARTITION `p5` ENGINE = MyISAM,
+ PARTITION `p6` ENGINE = MyISAM,
+ PARTITION `p7` ENGINE = MyISAM,
+ PARTITION `p8` ENGINE = MyISAM,
+ PARTITION `p9` ENGINE = MyISAM,
+ PARTITION `pm` ENGINE = MyISAM)
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `a` varchar(200) /*!100301 COMPRESSED*/ DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+ALTER TABLE t1 EXCHANGE PARTITION pm WITH TABLE t2;
+DROP TABLE t1,t2;
+-------------------------------------------------------------------------------------------
+CREATE TABLE t1 (a BLOB COMPRESSED default 5,i int);
+INSERT INTO t1 VALUES (REPEAT('a',100),1),(REPEAT('v',100),2),(REPEAT('z',100),3),(REPEAT('k',100),2),(2,2);
+ALTER TABLE t1 PARTITION BY KEY(a) partitions 3;
+ERROR HY000: A BLOB field is not allowed in partition function
+ALTER TABLE t1 PARTITION BY HASH(i) PARTITIONS 8;
+ALTER TABLE t1 REORGANIZE PARTITION p0 INTO (
+PARTITION s0 VALUES LESS THAN (1960),
+PARTITION s1 VALUES LESS THAN (1970)
+);
+ERROR HY000: Only RANGE PARTITIONING can use VALUES LESS THAN in partition definition
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` blob /*!100301 COMPRESSED*/ DEFAULT 5,
+  `i` int(11) DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+ PARTITION BY HASH (`i`)
+PARTITIONS 8
+ALTER TABLE t1 REMOVE PARTITIONING;
+DROP TABLE t1;
+CREATE TABLE t1 (a VARCHAR(500) COMPRESSED default 5,i int)
+PARTITION BY RANGE COLUMNS(i)(
+PARTITION p0 VALUES LESS THAN (10),
+PARTITION p1 VALUES LESS THAN (100),
+PARTITION p2 VALUES LESS THAN (1000));
+INSERT INTO t1 VALUES (REPEAT('a',100),1),("one",21),(REPEAT('3',100),34),(REPEAT('k',100),267),(2,278);
+ALTER TABLE t1 REORGANIZE PARTITION p2 INTO (PARTITION p22 VALUES LESS THAN (MAXVALUE));
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` varchar(500) /*!100301 COMPRESSED*/ DEFAULT '5',
+  `i` int(11) DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+ PARTITION BY RANGE  COLUMNS(`i`)
+(PARTITION `p0` VALUES LESS THAN (10) ENGINE = MyISAM,
+ PARTITION `p1` VALUES LESS THAN (100) ENGINE = MyISAM,
+ PARTITION `p22` VALUES LESS THAN (MAXVALUE) ENGINE = MyISAM)
+ALTER TABLE t1 REBUILD PARTITION p22;
+DROP TABLE t1;
diff --git a/mysql-test/r/column_compression_rpl.result b/mysql-test/r/column_compression_rpl.result
new file mode 100644
index 00000000000..3cbc1802939
--- /dev/null
+++ b/mysql-test/r/column_compression_rpl.result
@@ -0,0 +1,2250 @@
+include/master-slave.inc
+[connection master]
+connection slave;
+SET @saved_slave_type_conversions = @@slave_type_conversions;
+SET GLOBAL SLAVE_TYPE_CONVERSIONS = 'ALL_NON_LOSSY';
+connection master;
+DROP TABLE IF EXISTS t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+--------------------------------------------------------------------------------------------------------------
+--------------------------------------------COMPRESSED TO COMPRESSED------------------------------------------
+--------------------------------------------------------------------------------------------------------------
+connection slave;
+CREATE TABLE  t1  (a BLOB COMPRESSED default "1111111111") ENGINE=innodb;
+CREATE TABLE  t2  (a TINYBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t3  (a MEDIUMBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t4  (a LONGBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t5  (a TEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t6  (a TINYTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t7  (a MEDIUMTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t8  (a LONGTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t9  (a VARCHAR(10000) COMPRESSED default "0") ENGINE=innodb;
+CREATE TABLE  t10 (a VARBINARY(10000) COMPRESSED) ENGINE=innodb;
+connection master;
+CREATE TABLE  t1  (a BLOB COMPRESSED default "1111111111") ENGINE=myisam;
+CREATE TABLE  t2  (a TINYBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t3  (a MEDIUMBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t4  (a LONGBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t5  (a TEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t6  (a TINYTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t7  (a MEDIUMTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t8  (a LONGTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t9  (a VARCHAR(10000) COMPRESSED default "0") ENGINE=myisam;
+CREATE TABLE  t10 (a VARBINARY(10000) COMPRESSED) ENGINE=myisam;
+INSERT INTO t1(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),(default);
+INSERT INTO t2(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t3(a)  VALUES(REPEAT('a',100)),(REPEAT('v',2000)),("April"),(NULL);
+INSERT INTO t4(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("00-00-00");
+INSERT INTO t5(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t6(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t7(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',3000)),(NULL);
+INSERT INTO t8(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("qwerty");
+INSERT INTO t9(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("12-12-2009"),(default);
+INSERT INTO t10(a) VALUES(REPEAT('a',1000)),(REPEAT('v',2000)),(REPEAT('r',300)),(NULL), ("");
+--------------------------------------------------data on master------------------------------------------------
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+0		M,compressed
+1000	aaaaaaaaaa	M,compressed
+2000	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+108
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+1	0	M,compressed
+10	12-12-2009	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+120
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+6	qwerty	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+120
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+3000	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+92
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+254	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+80
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+84
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+8	00-00-00	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+120
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+2000	vvvvvvvvvv	M,compressed
+5	April	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+88
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+254	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+80
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10	1111111111	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+104
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	29
+COLUMN_DECOMPRESSIONS	58
+--------------------------------------------------data on slave-------------------------------------------------
+connection slave;
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+0		S,compressed
+1000	aaaaaaaaaa	S,compressed
+2000	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+108
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+1	0	S,compressed
+10	12-12-2009	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+120
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+6	qwerty	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+120
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+3000	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+92
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+254	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+80
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+84
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+8	00-00-00	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+120
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+2000	vvvvvvvvvv	S,compressed
+5	April	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+88
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+254	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+80
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10	1111111111	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+104
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	0
+COLUMN_DECOMPRESSIONS	58
+connection master;
+DROP TABLE t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+FLUSH STATUS;
+-----------------------------------------------------------------------------------------------------------------
+---------------------------------------COMPRESSED TO NOT COMPRESSED----------------------------------------------
+-----------------------------------------------------------------------------------------------------------------
+connection slave;
+FLUSH STATUS;
+CREATE TABLE t1  (a BLOB) ENGINE=innodb;
+CREATE TABLE t2  (a TINYBLOB) ENGINE=innodb;
+CREATE TABLE t3  (a MEDIUMBLOB) ENGINE=innodb;
+CREATE TABLE t4  (a LONGBLOB) ENGINE=innodb;
+CREATE TABLE t5  (a TEXT) ENGINE=innodb;
+CREATE TABLE t6  (a TINYTEXT) ENGINE=innodb;
+CREATE TABLE t7  (a MEDIUMTEXT) ENGINE=innodb;
+CREATE TABLE t8  (a LONGTEXT) ENGINE=innodb;
+CREATE TABLE t9  (a VARCHAR(10000)) ENGINE=innodb;
+CREATE TABLE t10 (a VARBINARY(10000)) ENGINE=innodb;
+connection master;
+CREATE TABLE IF NOT EXISTS t1  (a BLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t2  (a TINYBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t3  (a MEDIUMBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t4  (a LONGBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t5  (a TEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t6  (a TINYTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t7  (a MEDIUMTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t8  (a LONGTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t9  (a VARCHAR(10000) COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t10 (a VARBINARY(10000) COMPRESSED) ENGINE=myisam;
+INSERT INTO t1(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t2(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t3(a)  VALUES(REPEAT('a',100)),(REPEAT('v',2000)),("April"),(NULL);
+INSERT INTO t4(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("00-00-00");
+INSERT INTO t5(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t6(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t7(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',3000)),(NULL);
+INSERT INTO t8(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("qwerty");
+INSERT INTO t9(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("12-12-2009");
+INSERT INTO t10(a) VALUES(REPEAT('a',1000)),(REPEAT('v',2000)),(REPEAT('r',300)),(NULL), ("");
+---------------------------------------data on master-----------------------------------------------------------
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+0		M,compressed
+1000	aaaaaaaaaa	M,compressed
+2000	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+108
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10	12-12-2009	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+100
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+6	qwerty	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+120
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+3000	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+92
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+254	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+80
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+84
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+8	00-00-00	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+120
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+2000	vvvvvvvvvv	M,compressed
+5	April	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+88
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+254	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+80
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+84
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	29
+COLUMN_DECOMPRESSIONS	58
+---------------------------------------data on slave-------------------------------------------------------------
+connection slave;
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+0		S,not compressed
+1000	aaaaaaaaaa	S,not compressed
+2000	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+10	12-12-2009	S,not compressed
+1000	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+10000	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+6	qwerty	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+100	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+3000	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+100	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+254	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+1000	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+10000	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+8	00-00-00	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+100	aaaaaaaaaa	S,not compressed
+2000	vvvvvvvvvv	S,not compressed
+5	April	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+100	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+254	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+1000	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+16384
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	0
+COLUMN_DECOMPRESSIONS	0
+connection master;
+DROP TABLE t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+FLUSH STATUS;
+-----------------------------------------------------------------------------------------------------------------
+-----------------------------------NOT COMPRESSED to COMPRESSED--------------------------------------------------
+-----------------------------------------------------------------------------------------------------------------
+connection slave;
+FLUSH STATUS;
+CREATE TABLE t1  (a BLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE t2  (a TINYBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE t3  (a MEDIUMBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE t4  (a LONGBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE t5  (a TEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE t6  (a TINYTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE t7  (a MEDIUMTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE t8  (a LONGTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE t9  (a VARCHAR(10000) COMPRESSED) ENGINE=innodb;
+CREATE TABLE t10 (a VARBINARY(10000) COMPRESSED) ENGINE=innodb;
+connection master;
+CREATE TABLE IF NOT EXISTS t1  (a BLOB) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t2  (a TINYBLOB) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t3  (a MEDIUMBLOB) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t4  (a LONGBLOB) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t5  (a TEXT) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t6  (a TINYTEXT) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t7  (a MEDIUMTEXT) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t8  (a LONGTEXT) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t9  (a VARCHAR(10000)) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t10 (a VARBINARY(10000)) ENGINE=myisam;
+INSERT INTO t1(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t2(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t3(a)  VALUES(REPEAT('a',100)),(REPEAT('v',2000)),("April"),(NULL);
+INSERT INTO t4(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("00-00-00");
+INSERT INTO t5(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t6(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t7(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',3000)),(NULL);
+INSERT INTO t8(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("qwerty");
+INSERT INTO t9(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("12-12-2009");
+INSERT INTO t10(a) VALUES(REPEAT('a',1000)),(REPEAT('v',2000)),(REPEAT('r',300)),(NULL), ("");
+-----------------------------------data on master---------------------------------------------------------------
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+0		M,not compressed
+1000	aaaaaaaaaa	M,not compressed
+2000	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+3364
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+10	12-12-2009	M,not compressed
+1000	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+1564
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+10000	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+6	qwerty	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+10576
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+100	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+3000	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+3344
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+100	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+254	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+596
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+1000	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+1544
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+10000	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+8	00-00-00	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+10576
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+100	aaaaaaaaaa	M,not compressed
+2000	vvvvvvvvvv	M,not compressed
+5	April	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+2156
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+100	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+254	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+596
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+1000	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+1544
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	0
+COLUMN_DECOMPRESSIONS	0
+-----------------------------------data on slave-----------------------------------------------------------------
+connection slave;
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+0		S,compressed
+1000	aaaaaaaaaa	S,compressed
+2000	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10	12-12-2009	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+6	qwerty	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+3000	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+254	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+8	00-00-00	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+2000	vvvvvvvvvv	S,compressed
+5	April	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+254	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+16384
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	0
+COLUMN_DECOMPRESSIONS	58
+connection master;
+DROP TABLE t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+-----------------------------------------------------------------------------------------------------------------
+------varchar(1000)->varchar(999) compressed, varchar(1000) compressed->varchar(999) ----------------------------
+-----------------------------------------------------------------------------------------------------------------
+connection slave;
+CREATE TABLE t1  (a VARCHAR(999) COMPRESSED) ENGINE=innodb;
+CREATE TABLE t2  (a VARCHAR(999)) ENGINE=innodb;
+show warnings;
+Level	Code	Message
+call mtr.add_suppression("Slave: Data too long for column 'a' at row 1 Error_code: 1406");
+call mtr.add_suppression("Slave: Table 't2' already exists Error_code: 1050");
+connection master;
+CREATE TABLE IF NOT EXISTS t1 (a VARCHAR(1000))ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t2 (a VARCHAR(1000) COMPRESSED)ENGINE=myisam;
+INSERT INTO t1(a) VALUES(REPEAT('a',1000));
+connection slave;
+include/wait_for_slave_sql_error_and_skip.inc [errno=1406,1677]
+show warnings;
+Level	Code	Message
+connection master;
+INSERT INTO t2(a) VALUES(REPEAT('a',1000));
+connection slave;
+include/wait_for_slave_sql_error_and_skip.inc [errno=1406,1677]
+show warnings;
+Level	Code	Message
+SET GLOBAL SLAVE_TYPE_CONVERSIONS = @saved_slave_type_conversions;
+connection master;
+DROP TABLE t1,t2;
+connection slave;
+connection slave;
+SET @saved_slave_type_conversions = @@slave_type_conversions;
+SET GLOBAL SLAVE_TYPE_CONVERSIONS = 'ALL_NON_LOSSY';
+connection master;
+DROP TABLE IF EXISTS t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+--------------------------------------------------------------------------------------------------------------
+--------------------------------------------COMPRESSED TO COMPRESSED------------------------------------------
+--------------------------------------------------------------------------------------------------------------
+connection slave;
+CREATE TABLE  t1  (a BLOB COMPRESSED default "1111111111") ENGINE=innodb;
+CREATE TABLE  t2  (a TINYBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t3  (a MEDIUMBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t4  (a LONGBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t5  (a TEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t6  (a TINYTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t7  (a MEDIUMTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t8  (a LONGTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t9  (a VARCHAR(10000) COMPRESSED default "0") ENGINE=innodb;
+CREATE TABLE  t10 (a VARBINARY(10000) COMPRESSED) ENGINE=innodb;
+connection master;
+CREATE TABLE  t1  (a BLOB COMPRESSED default "1111111111") ENGINE=innodb;
+CREATE TABLE  t2  (a TINYBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t3  (a MEDIUMBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t4  (a LONGBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t5  (a TEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t6  (a TINYTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t7  (a MEDIUMTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t8  (a LONGTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE  t9  (a VARCHAR(10000) COMPRESSED default "0") ENGINE=innodb;
+CREATE TABLE  t10 (a VARBINARY(10000) COMPRESSED) ENGINE=innodb;
+INSERT INTO t1(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),(default);
+INSERT INTO t2(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t3(a)  VALUES(REPEAT('a',100)),(REPEAT('v',2000)),("April"),(NULL);
+INSERT INTO t4(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("00-00-00");
+INSERT INTO t5(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t6(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t7(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',3000)),(NULL);
+INSERT INTO t8(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("qwerty");
+INSERT INTO t9(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("12-12-2009"),(default);
+INSERT INTO t10(a) VALUES(REPEAT('a',1000)),(REPEAT('v',2000)),(REPEAT('r',300)),(NULL), ("");
+--------------------------------------------------data on master------------------------------------------------
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+0		M,compressed
+1000	aaaaaaaaaa	M,compressed
+2000	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+1	0	M,compressed
+10	12-12-2009	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+6	qwerty	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+3000	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+254	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+8	00-00-00	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+2000	vvvvvvvvvv	M,compressed
+5	April	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+254	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10	1111111111	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+16384
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	30
+COLUMN_DECOMPRESSIONS	58
+--------------------------------------------------data on slave-------------------------------------------------
+connection slave;
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+0		S,compressed
+1000	aaaaaaaaaa	S,compressed
+2000	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+1	0	S,compressed
+10	12-12-2009	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+6	qwerty	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+3000	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+254	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+8	00-00-00	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+2000	vvvvvvvvvv	S,compressed
+5	April	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+254	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10	1111111111	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+16384
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	0
+COLUMN_DECOMPRESSIONS	116
+connection master;
+DROP TABLE t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+FLUSH STATUS;
+-----------------------------------------------------------------------------------------------------------------
+---------------------------------------COMPRESSED TO NOT COMPRESSED----------------------------------------------
+-----------------------------------------------------------------------------------------------------------------
+connection slave;
+FLUSH STATUS;
+CREATE TABLE t1  (a BLOB) ENGINE=innodb;
+CREATE TABLE t2  (a TINYBLOB) ENGINE=innodb;
+CREATE TABLE t3  (a MEDIUMBLOB) ENGINE=innodb;
+CREATE TABLE t4  (a LONGBLOB) ENGINE=innodb;
+CREATE TABLE t5  (a TEXT) ENGINE=innodb;
+CREATE TABLE t6  (a TINYTEXT) ENGINE=innodb;
+CREATE TABLE t7  (a MEDIUMTEXT) ENGINE=innodb;
+CREATE TABLE t8  (a LONGTEXT) ENGINE=innodb;
+CREATE TABLE t9  (a VARCHAR(10000)) ENGINE=innodb;
+CREATE TABLE t10 (a VARBINARY(10000)) ENGINE=innodb;
+connection master;
+CREATE TABLE IF NOT EXISTS t1  (a BLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t2  (a TINYBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t3  (a MEDIUMBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t4  (a LONGBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t5  (a TEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t6  (a TINYTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t7  (a MEDIUMTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t8  (a LONGTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t9  (a VARCHAR(10000) COMPRESSED) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t10 (a VARBINARY(10000) COMPRESSED) ENGINE=innodb;
+INSERT INTO t1(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t2(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t3(a)  VALUES(REPEAT('a',100)),(REPEAT('v',2000)),("April"),(NULL);
+INSERT INTO t4(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("00-00-00");
+INSERT INTO t5(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t6(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t7(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',3000)),(NULL);
+INSERT INTO t8(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("qwerty");
+INSERT INTO t9(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("12-12-2009");
+INSERT INTO t10(a) VALUES(REPEAT('a',1000)),(REPEAT('v',2000)),(REPEAT('r',300)),(NULL), ("");
+---------------------------------------data on master-----------------------------------------------------------
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+0		M,compressed
+1000	aaaaaaaaaa	M,compressed
+2000	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10	12-12-2009	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+6	qwerty	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+3000	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+254	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+8	00-00-00	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+2000	vvvvvvvvvv	M,compressed
+5	April	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+254	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+16384
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	29
+COLUMN_DECOMPRESSIONS	58
+---------------------------------------data on slave-------------------------------------------------------------
+connection slave;
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+0		S,not compressed
+1000	aaaaaaaaaa	S,not compressed
+2000	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+10	12-12-2009	S,not compressed
+1000	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+10000	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+6	qwerty	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+100	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+3000	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+100	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+254	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+1000	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+10000	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+8	00-00-00	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+100	aaaaaaaaaa	S,not compressed
+2000	vvvvvvvvvv	S,not compressed
+5	April	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+100	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+254	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+1000	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+16384
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	0
+COLUMN_DECOMPRESSIONS	0
+connection master;
+DROP TABLE t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+FLUSH STATUS;
+-----------------------------------------------------------------------------------------------------------------
+-----------------------------------NOT COMPRESSED to COMPRESSED--------------------------------------------------
+-----------------------------------------------------------------------------------------------------------------
+connection slave;
+FLUSH STATUS;
+CREATE TABLE t1  (a BLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE t2  (a TINYBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE t3  (a MEDIUMBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE t4  (a LONGBLOB COMPRESSED) ENGINE=innodb;
+CREATE TABLE t5  (a TEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE t6  (a TINYTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE t7  (a MEDIUMTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE t8  (a LONGTEXT COMPRESSED) ENGINE=innodb;
+CREATE TABLE t9  (a VARCHAR(10000) COMPRESSED) ENGINE=innodb;
+CREATE TABLE t10 (a VARBINARY(10000) COMPRESSED) ENGINE=innodb;
+connection master;
+CREATE TABLE IF NOT EXISTS t1  (a BLOB) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t2  (a TINYBLOB) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t3  (a MEDIUMBLOB) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t4  (a LONGBLOB) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t5  (a TEXT) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t6  (a TINYTEXT) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t7  (a MEDIUMTEXT) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t8  (a LONGTEXT) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t9  (a VARCHAR(10000)) ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t10 (a VARBINARY(10000)) ENGINE=innodb;
+INSERT INTO t1(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t2(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t3(a)  VALUES(REPEAT('a',100)),(REPEAT('v',2000)),("April"),(NULL);
+INSERT INTO t4(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("00-00-00");
+INSERT INTO t5(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t6(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t7(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',3000)),(NULL);
+INSERT INTO t8(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("qwerty");
+INSERT INTO t9(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("12-12-2009");
+INSERT INTO t10(a) VALUES(REPEAT('a',1000)),(REPEAT('v',2000)),(REPEAT('r',300)),(NULL), ("");
+-----------------------------------data on master---------------------------------------------------------------
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+0		M,not compressed
+1000	aaaaaaaaaa	M,not compressed
+2000	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+10	12-12-2009	M,not compressed
+1000	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+10000	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+6	qwerty	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+100	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+3000	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+100	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+254	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+1000	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+10000	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+8	00-00-00	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+100	aaaaaaaaaa	M,not compressed
+2000	vvvvvvvvvv	M,not compressed
+5	April	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+100	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+254	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+16384
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+1000	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+16384
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	0
+COLUMN_DECOMPRESSIONS	0
+-----------------------------------data on slave-----------------------------------------------------------------
+connection slave;
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+0		S,compressed
+1000	aaaaaaaaaa	S,compressed
+2000	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10	12-12-2009	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+6	qwerty	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+3000	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+254	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+8	00-00-00	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+2000	vvvvvvvvvv	S,compressed
+5	April	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+254	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+16384
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+16384
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	0
+COLUMN_DECOMPRESSIONS	58
+connection master;
+DROP TABLE t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+-----------------------------------------------------------------------------------------------------------------
+------varchar(1000)->varchar(999) compressed, varchar(1000) compressed->varchar(999) ----------------------------
+-----------------------------------------------------------------------------------------------------------------
+connection slave;
+CREATE TABLE t1  (a VARCHAR(999) COMPRESSED) ENGINE=innodb;
+CREATE TABLE t2  (a VARCHAR(999)) ENGINE=innodb;
+show warnings;
+Level	Code	Message
+call mtr.add_suppression("Slave: Data too long for column 'a' at row 1 Error_code: 1406");
+call mtr.add_suppression("Slave: Table 't2' already exists Error_code: 1050");
+connection master;
+CREATE TABLE IF NOT EXISTS t1 (a VARCHAR(1000))ENGINE=innodb;
+CREATE TABLE IF NOT EXISTS t2 (a VARCHAR(1000) COMPRESSED)ENGINE=innodb;
+INSERT INTO t1(a) VALUES(REPEAT('a',1000));
+connection slave;
+include/wait_for_slave_sql_error_and_skip.inc [errno=1406,1677]
+show warnings;
+Level	Code	Message
+connection master;
+INSERT INTO t2(a) VALUES(REPEAT('a',1000));
+connection slave;
+include/wait_for_slave_sql_error_and_skip.inc [errno=1406,1677]
+show warnings;
+Level	Code	Message
+SET GLOBAL SLAVE_TYPE_CONVERSIONS = @saved_slave_type_conversions;
+connection master;
+DROP TABLE t1,t2;
+connection slave;
+connection slave;
+SET @saved_slave_type_conversions = @@slave_type_conversions;
+SET GLOBAL SLAVE_TYPE_CONVERSIONS = 'ALL_NON_LOSSY';
+connection master;
+DROP TABLE IF EXISTS t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+--------------------------------------------------------------------------------------------------------------
+--------------------------------------------COMPRESSED TO COMPRESSED------------------------------------------
+--------------------------------------------------------------------------------------------------------------
+connection slave;
+CREATE TABLE  t1  (a BLOB COMPRESSED default "1111111111") ENGINE=myisam;
+CREATE TABLE  t2  (a TINYBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t3  (a MEDIUMBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t4  (a LONGBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t5  (a TEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t6  (a TINYTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t7  (a MEDIUMTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t8  (a LONGTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t9  (a VARCHAR(10000) COMPRESSED default "0") ENGINE=myisam;
+CREATE TABLE  t10 (a VARBINARY(10000) COMPRESSED) ENGINE=myisam;
+connection master;
+CREATE TABLE  t1  (a BLOB COMPRESSED default "1111111111") ENGINE=myisam;
+CREATE TABLE  t2  (a TINYBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t3  (a MEDIUMBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t4  (a LONGBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t5  (a TEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t6  (a TINYTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t7  (a MEDIUMTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t8  (a LONGTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE  t9  (a VARCHAR(10000) COMPRESSED default "0") ENGINE=myisam;
+CREATE TABLE  t10 (a VARBINARY(10000) COMPRESSED) ENGINE=myisam;
+INSERT INTO t1(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),(default);
+INSERT INTO t2(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t3(a)  VALUES(REPEAT('a',100)),(REPEAT('v',2000)),("April"),(NULL);
+INSERT INTO t4(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("00-00-00");
+INSERT INTO t5(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t6(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t7(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',3000)),(NULL);
+INSERT INTO t8(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("qwerty");
+INSERT INTO t9(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("12-12-2009"),(default);
+INSERT INTO t10(a) VALUES(REPEAT('a',1000)),(REPEAT('v',2000)),(REPEAT('r',300)),(NULL), ("");
+--------------------------------------------------data on master------------------------------------------------
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+0		M,compressed
+1000	aaaaaaaaaa	M,compressed
+2000	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+108
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+1	0	M,compressed
+10	12-12-2009	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+120
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+6	qwerty	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+120
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+3000	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+92
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+254	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+80
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+84
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+8	00-00-00	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+120
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+2000	vvvvvvvvvv	M,compressed
+5	April	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+88
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+254	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+80
+SELECT LENGTH(a), SUBSTRING(a,1,10), "M,compressed" from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10	1111111111	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+104
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	30
+COLUMN_DECOMPRESSIONS	58
+--------------------------------------------------data on slave-------------------------------------------------
+connection slave;
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+0		S,compressed
+1000	aaaaaaaaaa	S,compressed
+2000	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+108
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+1	0	S,compressed
+10	12-12-2009	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+120
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+6	qwerty	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+120
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+3000	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+92
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+254	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+80
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+84
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+8	00-00-00	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+120
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+2000	vvvvvvvvvv	S,compressed
+5	April	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+88
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+254	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+80
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10	1111111111	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+104
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	0
+COLUMN_DECOMPRESSIONS	116
+connection master;
+DROP TABLE t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+FLUSH STATUS;
+-----------------------------------------------------------------------------------------------------------------
+---------------------------------------COMPRESSED TO NOT COMPRESSED----------------------------------------------
+-----------------------------------------------------------------------------------------------------------------
+connection slave;
+FLUSH STATUS;
+CREATE TABLE t1  (a BLOB) ENGINE=myisam;
+CREATE TABLE t2  (a TINYBLOB) ENGINE=myisam;
+CREATE TABLE t3  (a MEDIUMBLOB) ENGINE=myisam;
+CREATE TABLE t4  (a LONGBLOB) ENGINE=myisam;
+CREATE TABLE t5  (a TEXT) ENGINE=myisam;
+CREATE TABLE t6  (a TINYTEXT) ENGINE=myisam;
+CREATE TABLE t7  (a MEDIUMTEXT) ENGINE=myisam;
+CREATE TABLE t8  (a LONGTEXT) ENGINE=myisam;
+CREATE TABLE t9  (a VARCHAR(10000)) ENGINE=myisam;
+CREATE TABLE t10 (a VARBINARY(10000)) ENGINE=myisam;
+connection master;
+CREATE TABLE IF NOT EXISTS t1  (a BLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t2  (a TINYBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t3  (a MEDIUMBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t4  (a LONGBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t5  (a TEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t6  (a TINYTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t7  (a MEDIUMTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t8  (a LONGTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t9  (a VARCHAR(10000) COMPRESSED) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t10 (a VARBINARY(10000) COMPRESSED) ENGINE=myisam;
+INSERT INTO t1(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t2(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t3(a)  VALUES(REPEAT('a',100)),(REPEAT('v',2000)),("April"),(NULL);
+INSERT INTO t4(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("00-00-00");
+INSERT INTO t5(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t6(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t7(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',3000)),(NULL);
+INSERT INTO t8(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("qwerty");
+INSERT INTO t9(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("12-12-2009");
+INSERT INTO t10(a) VALUES(REPEAT('a',1000)),(REPEAT('v',2000)),(REPEAT('r',300)),(NULL), ("");
+---------------------------------------data on master-----------------------------------------------------------
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+0		M,compressed
+1000	aaaaaaaaaa	M,compressed
+2000	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+108
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10	12-12-2009	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+100
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+6	qwerty	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+120
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+3000	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+92
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+254	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+80
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+84
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+10000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+8	00-00-00	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+120
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+2000	vvvvvvvvvv	M,compressed
+5	April	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+88
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+100	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+254	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+80
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,compressed"  from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	M,compressed
+1000	aaaaaaaaaa	M,compressed
+200	vvvvvvvvvv	M,compressed
+300	rrrrrrrrrr	M,compressed
+NULL	NULL	M,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+84
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	29
+COLUMN_DECOMPRESSIONS	58
+---------------------------------------data on slave-------------------------------------------------------------
+connection slave;
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+0		S,not compressed
+1000	aaaaaaaaaa	S,not compressed
+2000	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+3364
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+10	12-12-2009	S,not compressed
+1000	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+1564
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+10000	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+6	qwerty	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+10576
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+100	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+3000	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+3344
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+100	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+254	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+596
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+1000	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+1544
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+10000	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+8	00-00-00	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+10576
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+100	aaaaaaaaaa	S,not compressed
+2000	vvvvvvvvvv	S,not compressed
+5	April	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+2156
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+100	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+254	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+596
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,not compressed" from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	S,not compressed
+1000	aaaaaaaaaa	S,not compressed
+200	vvvvvvvvvv	S,not compressed
+300	rrrrrrrrrr	S,not compressed
+NULL	NULL	S,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+1544
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	0
+COLUMN_DECOMPRESSIONS	0
+connection master;
+DROP TABLE t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+FLUSH STATUS;
+-----------------------------------------------------------------------------------------------------------------
+-----------------------------------NOT COMPRESSED to COMPRESSED--------------------------------------------------
+-----------------------------------------------------------------------------------------------------------------
+connection slave;
+FLUSH STATUS;
+CREATE TABLE t1  (a BLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE t2  (a TINYBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE t3  (a MEDIUMBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE t4  (a LONGBLOB COMPRESSED) ENGINE=myisam;
+CREATE TABLE t5  (a TEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE t6  (a TINYTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE t7  (a MEDIUMTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE t8  (a LONGTEXT COMPRESSED) ENGINE=myisam;
+CREATE TABLE t9  (a VARCHAR(10000) COMPRESSED) ENGINE=myisam;
+CREATE TABLE t10 (a VARBINARY(10000) COMPRESSED) ENGINE=myisam;
+connection master;
+CREATE TABLE IF NOT EXISTS t1  (a BLOB) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t2  (a TINYBLOB) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t3  (a MEDIUMBLOB) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t4  (a LONGBLOB) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t5  (a TEXT) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t6  (a TINYTEXT) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t7  (a MEDIUMTEXT) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t8  (a LONGTEXT) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t9  (a VARCHAR(10000)) ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t10 (a VARBINARY(10000)) ENGINE=myisam;
+INSERT INTO t1(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t2(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t3(a)  VALUES(REPEAT('a',100)),(REPEAT('v',2000)),("April"),(NULL);
+INSERT INTO t4(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("00-00-00");
+INSERT INTO t5(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL);
+INSERT INTO t6(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',254)),(NULL);
+INSERT INTO t7(a)  VALUES(REPEAT('a',100)),(REPEAT('v',200)),(REPEAT('r',3000)),(NULL);
+INSERT INTO t8(a)  VALUES(REPEAT('a',10000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("qwerty");
+INSERT INTO t9(a)  VALUES(REPEAT('a',1000)),(REPEAT('v',200)),(REPEAT('r',300)),(NULL),("12-12-2009");
+INSERT INTO t10(a) VALUES(REPEAT('a',1000)),(REPEAT('v',2000)),(REPEAT('r',300)),(NULL), ("");
+-----------------------------------data on master---------------------------------------------------------------
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+0		M,not compressed
+1000	aaaaaaaaaa	M,not compressed
+2000	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+3364
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+10	12-12-2009	M,not compressed
+1000	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+1564
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+10000	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+6	qwerty	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+10576
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+100	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+3000	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+3344
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+100	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+254	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+596
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+1000	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+1544
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+10000	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+8	00-00-00	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+10576
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+100	aaaaaaaaaa	M,not compressed
+2000	vvvvvvvvvv	M,not compressed
+5	April	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+2156
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+100	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+254	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+596
+SELECT LENGTH(a),SUBSTRING(a,1,10), "M,not compressed" from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	M,not compressed
+1000	aaaaaaaaaa	M,not compressed
+200	vvvvvvvvvv	M,not compressed
+300	rrrrrrrrrr	M,not compressed
+NULL	NULL	M,not compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+1544
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	0
+COLUMN_DECOMPRESSIONS	0
+-----------------------------------data on slave-----------------------------------------------------------------
+connection slave;
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t10;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+0		S,compressed
+1000	aaaaaaaaaa	S,compressed
+2000	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t10';
+DATA_LENGTH
+108
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t9;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10	12-12-2009	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t9';
+DATA_LENGTH
+100
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t8;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+6	qwerty	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t8';
+DATA_LENGTH
+120
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t7;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+3000	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t7';
+DATA_LENGTH
+92
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t6;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+254	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t6';
+DATA_LENGTH
+80
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t5;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t5';
+DATA_LENGTH
+84
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t4;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+10000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+8	00-00-00	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t4';
+DATA_LENGTH
+120
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t3;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+2000	vvvvvvvvvv	S,compressed
+5	April	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t3';
+DATA_LENGTH
+88
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t2;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+100	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+254	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
+DATA_LENGTH
+80
+SELECT LENGTH(a), SUBSTRING(a,1,10), "S,compressed" from t1;
+LENGTH(a)	SUBSTRING(a,1,10)	S,compressed
+1000	aaaaaaaaaa	S,compressed
+200	vvvvvvvvvv	S,compressed
+300	rrrrrrrrrr	S,compressed
+NULL	NULL	S,compressed
+SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+DATA_LENGTH
+84
+SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
+VARIABLE_NAME	VARIABLE_VALUE
+COLUMN_COMPRESSIONS	0
+COLUMN_DECOMPRESSIONS	58
+connection master;
+DROP TABLE t1,t2,t3,t4,t5,t6,t7,t8,t9,t10;
+-----------------------------------------------------------------------------------------------------------------
+------varchar(1000)->varchar(999) compressed, varchar(1000) compressed->varchar(999) ----------------------------
+-----------------------------------------------------------------------------------------------------------------
+connection slave;
+CREATE TABLE t1  (a VARCHAR(999) COMPRESSED) ENGINE=myisam;
+CREATE TABLE t2  (a VARCHAR(999)) ENGINE=myisam;
+show warnings;
+Level	Code	Message
+call mtr.add_suppression("Slave: Data too long for column 'a' at row 1 Error_code: 1406");
+call mtr.add_suppression("Slave: Table 't2' already exists Error_code: 1050");
+connection master;
+CREATE TABLE IF NOT EXISTS t1 (a VARCHAR(1000))ENGINE=myisam;
+CREATE TABLE IF NOT EXISTS t2 (a VARCHAR(1000) COMPRESSED)ENGINE=myisam;
+INSERT INTO t1(a) VALUES(REPEAT('a',1000));
+connection slave;
+include/wait_for_slave_sql_error_and_skip.inc [errno=1406,1677]
+show warnings;
+Level	Code	Message
+connection master;
+INSERT INTO t2(a) VALUES(REPEAT('a',1000));
+connection slave;
+include/wait_for_slave_sql_error_and_skip.inc [errno=1406,1677]
+show warnings;
+Level	Code	Message
+SET GLOBAL SLAVE_TYPE_CONVERSIONS = @saved_slave_type_conversions;
+connection master;
+DROP TABLE t1,t2;
+connection slave;
+include/rpl_end.inc
diff --git a/mysql-test/t/column_compression_parts.test b/mysql-test/t/column_compression_parts.test
new file mode 100644
index 00000000000..9a6f63d0cde
--- /dev/null
+++ b/mysql-test/t/column_compression_parts.test
@@ -0,0 +1,182 @@
+--source include/have_partition.inc
+
+--disable_warnings
+DROP TABLE IF EXISTS t1,t2,t3,t4;
+--enable_warnings
+FLUSH STATUS;
+
+echo ---------------------------------------by range------------------------------------------;
+
+CREATE TABLE t1 (i int, a VARCHAR(1000) COMPRESSED DEFAULT "AAA")
+	PARTITION BY RANGE COLUMNS (a)(
+    PARTITION p0 VALUES LESS THAN ('g') COMMENT "p0",
+    PARTITION p1 VALUES LESS THAN ('m'),
+    PARTITION p2 VALUES LESS THAN ('t'),
+    PARTITION p3 VALUES LESS THAN ('w'));
+
+ALTER TABLE t1 ADD PARTITION (PARTITION p4 VALUES LESS THAN (MAXVALUE));
+
+INSERT INTO t1 VALUES (1,REPEAT('a',100)),(2,REPEAT('v',200)),(3,REPEAT('r',300)),(4,NULL);
+INSERT INTO t1 VALUES (5,REPEAT('k',500)),(6,'April'),(7,7),(8,""),(9,"M"),(10,DEFAULT);
+
+ALTER TABLE t1 ANALYZE PARTITION p1;
+ALTER TABLE t1 CHECK PARTITION p2;
+
+SELECT i,SUBSTRING(a,1,10) FROM t1 PARTITION (p2) ORDER BY i;
+SELECT i,SUBSTRING(a,1,10) FROM t1 where length(a)>=300 ORDER BY i;
+SELECT i,SUBSTRING(a,1,10) FROM t1 where a like "%k" ORDER BY i;
+
+DELETE FROM t1 where a="";
+DELETE FROM t1 where a=(REPEAT('a',100));
+DELETE FROM t1 where a like "%v";
+
+SELECT i,SUBSTRING(a,1,10) FROM t1 ORDER BY i;
+SELECT i,SUBSTRING(a,1,10) FROM t1 where a not like "%k" ORDER BY i;
+SELECT i,SUBSTRING(a,1,10) FROM t1 where (a>'m') ORDER BY i;
+SELECT i,SUBSTRING(a,1,10) FROM t1 where (a between 'h' and 'z') and (i=9) ORDER BY i;
+
+EXPLAIN PARTITIONS SELECT i,SUBSTRING(a,1,10) FROM t1 where (a>'m');
+EXPLAIN PARTITIONS SELECT i,SUBSTRING(a,1,10) FROM t1 where (a<'w');
+
+ALTER TABLE t1 TRUNCATE PARTITION p2;
+ALTER TABLE t1 DROP PARTITION p0;
+SHOW CREATE TABLE t1;
+
+ALTER TABLE t1 MODIFY COLUMN a VARCHAR(1000);
+SHOW CREATE TABLE t1;
+
+DROP TABLE t1;
+
+echo ---------------------------------------------------------------------------------------------;
+
+CREATE TABLE t1 (a VARCHAR(1000) COMPRESSED  NOT NULL, id INT)	
+	PARTITION BY RANGE COLUMNS(id,a)(
+	PARTITION p0 VALUES LESS THAN (100,'sss'),
+  	PARTITION p1 VALUES LESS THAN (MAXVALUE,MAXVALUE));
+
+INSERT INTO t1 VALUES (REPEAT('a',100), 23),(REPEAT('v',100),123),(REPEAT('z',100),24),(REPEAT('k',100),124);
+SELECT id,SUBSTRING(a,1,10) FROM t1 order by id;
+SELECT * from t1 partition (p0);
+SELECT * from t1 partition (p1);
+INSERT INTO t1 VALUES (REPEAT('a',100),101);
+SELECT * from t1 partition (p0);
+SELECT * from t1 partition (p1);
+ALTER TABLE t1 DROP PARTITION p1;
+SELECT id,SUBSTRING(a,1,10) FROM t1 WHERE id<50 order by id;
+--error ER_NO_PARTITION_FOR_GIVEN_VALUE
+INSERT INTO t1 VALUES (REPEAT('a',100),101);
+
+ALTER TABLE t1 ALTER COLUMN a SET DEFAULT 'qwerty';
+ALTER TABLE t1 ALTER COLUMN a DROP DEFAULT;
+
+ALTER TABLE t1 MODIFY COLUMN a VARCHAR(1000);
+ALTER TABLE t1 ALTER COLUMN a DROP DEFAULT;
+INSERT INTO t1 VALUES (REPEAT('b',100),11);
+--error ER_NO_DEFAULT_FOR_FIELD
+INSERT INTO t1 VALUES (default,10);
+
+ALTER TABLE t1 MODIFY COLUMN a VARCHAR(1000) COMPRESSED;
+SHOW CREATE TABLE t1;
+SELECT * from t1 ORDER BY id;
+
+DROP TABLE t1;
+
+echo ----------------------------1 partition--------------------------------------------------;
+
+CREATE TABLE t1 (a VARCHAR(1000) COMPRESSED DEFAULT "10-12-2010")
+	PARTITION BY RANGE COLUMNS (a) (partition p0 VALUES LESS THAN (MAXVALUE));
+INSERT INTO t1 VALUES (REPEAT('a',100)), (REPEAT('v',200)), (REPEAT('Z',300)),(NULL),(DEFAULT);
+INSERT INTO t1 VALUES (DEFAULT),(REPEAT('b',200)),(REPEAT('q',300)),(DEFAULT),("MAY");
+
+--sorted_result
+SELECT SUBSTRING(a,1,10) FROM t1;
+
+echo -----------------------------------------by key------------------------------------------;
+
+ALTER TABLE t1 PARTITION BY KEY(a) PARTITIONS 6;
+SHOW CREATE TABLE t1;
+UPDATE t1 SET a="NEW" where length(a)<20;
+--sorted_result
+SELECT SUBSTRING(a,1,10) FROM t1;
+
+CREATE TABLE t2 (a VARBINARY(1000) COMPRESSED)
+	PARTITION BY KEY(a) PARTITIONS 3;
+ALTER TABLE t2 PARTITION BY LINEAR KEY ALGORITHM=2 (a) PARTITIONS 32;
+
+INSERT INTO t2 VALUES (REPEAT('a',100)),(REPEAT('v',6)),(REPEAT('z',13)),(REPEAT('k',900));
+--sorted_result
+SELECT SUBSTRING(a,1,10) FROM t2;
+
+CREATE TABLE t3 ( a VARCHAR(1000) COMPRESSED DEFAULT NULL)
+	PARTITION BY LINEAR KEY(a) PARTITIONS 3;
+INSERT INTO t3 VALUES (REPEAT('a',100)),(REPEAT('v',100)),(NULL),(REPEAT('k',100)),(DEFAULT);
+--sorted_result
+SELECT SUBSTRING(a,1,10) FROM t3 where a<>NULL;
+
+CREATE TABLE t4 (a VARBINARY(1000) COMPRESSED NOT NULL DEFAULT 0 COMMENT "QQ")
+	PARTITION BY LINEAR KEY(a)
+	PARTITIONS 3;
+INSERT INTO t4 VALUES (REPEAT('a',100)),('0'),(DEFAULT),(DEFAULT),(REPEAT('v',100)),(REPEAT('k',100));
+--sorted_result
+SELECT SUBSTRING(a,1,10) FROM t4 where length(a)>3;
+
+DROP TABLE t1,t2,t3,t4;
+
+echo -----------------------------------subpartitions------------------------------------------;
+
+CREATE TABLE t1 (a VARCHAR(1000) COMPRESSED, id INT NOT NULL)
+    PARTITION BY RANGE(id)
+    	SUBPARTITION BY KEY(a) SUBPARTITIONS 4
+    (PARTITION p0 VALUES LESS THAN (5),
+	 PARTITION p1 VALUES LESS THAN (MAXVALUE));
+INSERT INTO t1 VALUES (REPEAT('a',100),23),(REPEAT('v',100),123),(REPEAT('z',100),24),(REPEAT('k',100),124);
+SELECT id,SUBSTRING(a,1,10) FROM t1 where a=(REPEAT('k',100)) order by id;
+DROP TABLE t1;
+
+echo -------------------------------------------------------------------------------------------;
+
+--error ER_BLOB_FIELD_IN_PART_FUNC_ERROR
+CREATE TABLE t1 (a BLOB COMPRESSED)
+ 	PARTITION BY KEY(a) partitions 30;
+
+CREATE TABLE t1 (a VARCHAR(200) COMPRESSED) PARTITION BY KEY(a) partitions 30;
+ALTER TABLE t1 COALESCE PARTITION 20;
+#ALTER TABLE t1 ADD PARTITION (PARTITION pm TABLESPACE = `innodb_file_per_table`);  --mdev MDEV-13584
+ALTER TABLE t1 ADD PARTITION (PARTITION pm);
+CREATE TABLE t2 like t1;
+ALTER TABLE t2  REMOVE PARTITIONING;
+SHOW CREATE TABLE t1;
+SHOW CREATE TABLE t2;
+
+ALTER TABLE t1 EXCHANGE PARTITION pm WITH TABLE t2;
+DROP TABLE t1,t2;
+echo -------------------------------------------------------------------------------------------;
+
+CREATE TABLE t1 (a BLOB COMPRESSED default 5,i int);
+INSERT INTO t1 VALUES (REPEAT('a',100),1),(REPEAT('v',100),2),(REPEAT('z',100),3),(REPEAT('k',100),2),(2,2);
+
+--error ER_BLOB_FIELD_IN_PART_FUNC_ERROR
+ALTER TABLE t1 PARTITION BY KEY(a) partitions 3;
+
+ALTER TABLE t1 PARTITION BY HASH(i) PARTITIONS 8;
+--error ER_PARTITION_WRONG_VALUES_ERROR
+ALTER TABLE t1 REORGANIZE PARTITION p0 INTO (
+    PARTITION s0 VALUES LESS THAN (1960),
+    PARTITION s1 VALUES LESS THAN (1970)
+);
+SHOW CREATE TABLE t1;
+ALTER TABLE t1 REMOVE PARTITIONING;
+DROP TABLE t1;
+
+CREATE TABLE t1 (a VARCHAR(500) COMPRESSED default 5,i int)
+	PARTITION BY RANGE COLUMNS(i)(
+    PARTITION p0 VALUES LESS THAN (10),
+    PARTITION p1 VALUES LESS THAN (100),
+    PARTITION p2 VALUES LESS THAN (1000));
+INSERT INTO t1 VALUES (REPEAT('a',100),1),("one",21),(REPEAT('3',100),34),(REPEAT('k',100),267),(2,278);
+
+ALTER TABLE t1 REORGANIZE PARTITION p2 INTO (PARTITION p22 VALUES LESS THAN (MAXVALUE));
+SHOW CREATE TABLE t1;
+ALTER TABLE t1 REBUILD PARTITION p22;
+
+DROP TABLE t1;
\ No newline at end of file
diff --git a/mysql-test/t/column_compression_rpl.test b/mysql-test/t/column_compression_rpl.test
new file mode 100644
index 00000000000..86c73a77dbd
--- /dev/null
+++ b/mysql-test/t/column_compression_rpl.test
@@ -0,0 +1,16 @@
+--source include/have_innodb.inc
+--source include/master-slave.inc
+
+--let $engine_type= myisam
+--let $engine_type2= innodb
+--source include/column_compression_rpl.inc
+
+--let $engine_type= innodb
+--let $engine_type2= innodb
+--source include/column_compression_rpl.inc
+
+--let $engine_type= myisam
+--let $engine_type2= myisam
+--source include/column_compression_rpl.inc
+
+--source include/rpl_end.inc