SET column_compression_zlib_wrap=true;
FLUSH STATUS;
CREATE TABLE t1(a BLOB COMPRESSED, KEY(a(10)));
ERROR HY000: Compressed column 'a' can't be used in key specification
CREATE TABLE t1(a BLOB COMPRESSED);
ALTER TABLE t1 ADD KEY(a(10));
ERROR HY000: Compressed column 'a' can't be used in key specification
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# Make sure column was actually compressed
INSERT INTO t1 VALUES(REPEAT('a', 1000));
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	1
COLUMN_DECOMPRESSIONS	2
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
28
# Make sure ALTER TABLE rebuilds table
ALTER TABLE t1 MODIFY COLUMN a BLOB;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	1
COLUMN_DECOMPRESSIONS	3
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
1008
# Rebuild back
ALTER TABLE t1 MODIFY COLUMN a BLOB COMPRESSED;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	5
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
28
# Make sure CREATE TABLE ... LIKE inherits compression
CREATE TABLE t2 LIKE t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t2;
# Make sure implicit CREATE TABLE ... SELECT inherits compression
CREATE TABLE t2 SELECT * FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t2;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	7
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
DATA_LENGTH
28
DROP TABLE t2;
# Make sure explicit CREATE TABLE ... SELECT doesn't inherit compression
CREATE TABLE t2(a BLOB) SELECT * FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` blob DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t2;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	8
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
DATA_LENGTH
1008
DROP TABLE t2;
# Make sure engine change works
ALTER TABLE t1 ENGINE=InnoDB;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	10
# Make sure online add column works (requires InnoDB)
ALTER TABLE t1 ADD COLUMN b BLOB COMPRESSED DEFAULT "must be visible";
SELECT LEFT(a, 10), LENGTH(a), b FROM t1;
LEFT(a, 10)	LENGTH(a)	b
aaaaaaaaaa	1000	must be visible
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	12
ALTER TABLE t1 DROP COLUMN b;
ALTER TABLE t1 ENGINE=MyISAM;
TRUNCATE TABLE t1;
# Make sure column_compression_zlib_level works
SET column_compression_zlib_level= 1;
INSERT INTO t1 VALUES(REPEAT('ab', 1000));
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	3
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH < 100 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH < 100
1
TRUNCATE TABLE t1;
SET column_compression_zlib_level= 9;
INSERT INTO t1 VALUES(REPEAT('ab', 1000));
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
36
SET column_compression_zlib_level= DEFAULT;
TRUNCATE TABLE t1;
# No compression, original data shorter than compressed
INSERT INTO t1 VALUES('a');
SELECT a, LENGTH(a) FROM t1;
a	LENGTH(a)
a	1
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
20
# Coverage for store(double) and store(longlong)
INSERT INTO t1 VALUES(3.14),(CAST(9.8 AS DOUBLE)),(1),(''),(NULL);
# and for sort_string()
SELECT * FROM t1 ORDER BY a;
a
NULL

1
3.14
9.8
a
# Coverage for val_real() and val_int()
SELECT a+1 FROM t1 ORDER BY 1;
a+1
NULL
1
1
2
4.140000000000001
10.8
Warnings:
Warning	1292	Truncated incorrect DOUBLE value: 'a'
Warning	1292	Truncated incorrect DOUBLE value: ''
Warning	1292	Truncated incorrect DOUBLE value: 'a'
Warning	1292	Truncated incorrect DOUBLE value: ''
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
DROP TABLE t1;
#
# MDEV-13540 - Server crashes in copy or Assertion `0' failed in virtual
#              Field* Field_varstring_compressed::new_key_field
#
CREATE TABLE t1 (c1 BLOB COMPRESSED) ENGINE=MyISAM;
INSERT IGNORE INTO t1 VALUES ('foo'),('bar');
CREATE TABLE t2 (c2 BLOB COMPRESSED) ENGINE=MyISAM;
INSERT IGNORE INTO t2 VALUES ('qux'),('abc');
SELECT * FROM t1 WHERE c1 NOT IN ( SELECT c2 FROM t2 WHERE c2 = c1 );
c1
foo
bar
DROP TABLE t1, t2;
#
# MDEV-13541 - Server crashes in next_breadth_first_tab or Assertion `0'
#              failed in Field_varstring_compressed::new_key_field
#
CREATE TABLE t1 (c BLOB COMPRESSED) ENGINE=InnoDB;
INSERT INTO t1 VALUES ('foo'),('bar');
SELECT DISTINCT c FROM t1;
c
foo
bar
DROP TABLE t1;
FLUSH STATUS;
CREATE TABLE t1(a TEXT COMPRESSED, KEY(a(10)));
ERROR HY000: Compressed column 'a' can't be used in key specification
CREATE TABLE t1(a TEXT COMPRESSED);
ALTER TABLE t1 ADD KEY(a(10));
ERROR HY000: Compressed column 'a' can't be used in key specification
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# Make sure column was actually compressed
INSERT INTO t1 VALUES(REPEAT('a', 1000));
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	1
COLUMN_DECOMPRESSIONS	2
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
28
# Make sure ALTER TABLE rebuilds table
ALTER TABLE t1 MODIFY COLUMN a TEXT;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	1
COLUMN_DECOMPRESSIONS	3
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
1008
# Rebuild back
ALTER TABLE t1 MODIFY COLUMN a TEXT COMPRESSED;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	5
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
28
# Make sure CREATE TABLE ... LIKE inherits compression
CREATE TABLE t2 LIKE t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` text /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t2;
# Make sure implicit CREATE TABLE ... SELECT inherits compression
CREATE TABLE t2 SELECT * FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` text /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t2;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	7
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
DATA_LENGTH
28
DROP TABLE t2;
# Make sure explicit CREATE TABLE ... SELECT doesn't inherit compression
CREATE TABLE t2(a TEXT) SELECT * FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` text DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t2;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	8
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
DATA_LENGTH
1008
DROP TABLE t2;
# Make sure engine change works
ALTER TABLE t1 ENGINE=InnoDB;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	10
# Make sure online add column works (requires InnoDB)
ALTER TABLE t1 ADD COLUMN b TEXT COMPRESSED DEFAULT "must be visible";
SELECT LEFT(a, 10), LENGTH(a), b FROM t1;
LEFT(a, 10)	LENGTH(a)	b
aaaaaaaaaa	1000	must be visible
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	12
ALTER TABLE t1 DROP COLUMN b;
ALTER TABLE t1 ENGINE=MyISAM;
TRUNCATE TABLE t1;
# Make sure column_compression_zlib_level works
SET column_compression_zlib_level= 1;
INSERT INTO t1 VALUES(REPEAT('ab', 1000));
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	3
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH < 100 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH < 100
1
TRUNCATE TABLE t1;
SET column_compression_zlib_level= 9;
INSERT INTO t1 VALUES(REPEAT('ab', 1000));
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
36
SET column_compression_zlib_level= DEFAULT;
TRUNCATE TABLE t1;
# No compression, original data shorter than compressed
INSERT INTO t1 VALUES('a');
SELECT a, LENGTH(a) FROM t1;
a	LENGTH(a)
a	1
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
20
# Coverage for store(double) and store(longlong)
INSERT INTO t1 VALUES(3.14),(CAST(9.8 AS DOUBLE)),(1),(''),(NULL);
# and for sort_string()
SELECT * FROM t1 ORDER BY a;
a
NULL

1
3.14
9.8
a
# Coverage for val_real() and val_int()
SELECT a+1 FROM t1 ORDER BY 1;
a+1
NULL
1
1
2
4.140000000000001
10.8
Warnings:
Warning	1292	Truncated incorrect DOUBLE value: 'a'
Warning	1292	Truncated incorrect DOUBLE value: ''
Warning	1292	Truncated incorrect DOUBLE value: 'a'
Warning	1292	Truncated incorrect DOUBLE value: ''
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
DROP TABLE t1;
#
# MDEV-13540 - Server crashes in copy or Assertion `0' failed in virtual
#              Field* Field_varstring_compressed::new_key_field
#
CREATE TABLE t1 (c1 TEXT COMPRESSED) ENGINE=MyISAM;
INSERT IGNORE INTO t1 VALUES ('foo'),('bar');
CREATE TABLE t2 (c2 TEXT COMPRESSED) ENGINE=MyISAM;
INSERT IGNORE INTO t2 VALUES ('qux'),('abc');
SELECT * FROM t1 WHERE c1 NOT IN ( SELECT c2 FROM t2 WHERE c2 = c1 );
c1
foo
bar
DROP TABLE t1, t2;
#
# MDEV-13541 - Server crashes in next_breadth_first_tab or Assertion `0'
#              failed in Field_varstring_compressed::new_key_field
#
CREATE TABLE t1 (c TEXT COMPRESSED) ENGINE=InnoDB;
INSERT INTO t1 VALUES ('foo'),('bar');
SELECT DISTINCT c FROM t1;
c
foo
bar
DROP TABLE t1;
FLUSH STATUS;
CREATE TABLE t1(a VARBINARY(10000) COMPRESSED, KEY(a(10)));
ERROR HY000: Compressed column 'a' can't be used in key specification
CREATE TABLE t1(a VARBINARY(10000) COMPRESSED);
ALTER TABLE t1 ADD KEY(a(10));
ERROR HY000: Compressed column 'a' can't be used in key specification
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varbinary(10000) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# Make sure column was actually compressed
INSERT INTO t1 VALUES(REPEAT('a', 1000));
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	1
COLUMN_DECOMPRESSIONS	2
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
28
# Make sure ALTER TABLE rebuilds table
ALTER TABLE t1 MODIFY COLUMN a VARBINARY(10000);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varbinary(10000) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	1
COLUMN_DECOMPRESSIONS	3
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
1008
# Rebuild back
ALTER TABLE t1 MODIFY COLUMN a VARBINARY(10000) COMPRESSED;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varbinary(10000) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	5
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
28
# Make sure CREATE TABLE ... LIKE inherits compression
CREATE TABLE t2 LIKE t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` varbinary(10000) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t2;
# Make sure implicit CREATE TABLE ... SELECT inherits compression
CREATE TABLE t2 SELECT * FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` varbinary(10000) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t2;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	7
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
DATA_LENGTH
28
DROP TABLE t2;
# Make sure explicit CREATE TABLE ... SELECT doesn't inherit compression
CREATE TABLE t2(a VARBINARY(10000)) SELECT * FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` varbinary(10000) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t2;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	8
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
DATA_LENGTH
1008
DROP TABLE t2;
# Make sure engine change works
ALTER TABLE t1 ENGINE=InnoDB;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varbinary(10000) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	10
# Make sure online add column works (requires InnoDB)
ALTER TABLE t1 ADD COLUMN b VARBINARY(10000) COMPRESSED DEFAULT "must be visible";
SELECT LEFT(a, 10), LENGTH(a), b FROM t1;
LEFT(a, 10)	LENGTH(a)	b
aaaaaaaaaa	1000	must be visible
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	12
ALTER TABLE t1 DROP COLUMN b;
ALTER TABLE t1 ENGINE=MyISAM;
TRUNCATE TABLE t1;
# Make sure column_compression_zlib_level works
SET column_compression_zlib_level= 1;
INSERT INTO t1 VALUES(REPEAT('ab', 1000));
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	3
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH < 100 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH < 100
1
TRUNCATE TABLE t1;
SET column_compression_zlib_level= 9;
INSERT INTO t1 VALUES(REPEAT('ab', 1000));
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
32
SET column_compression_zlib_level= DEFAULT;
TRUNCATE TABLE t1;
# No compression, original data shorter than compressed
INSERT INTO t1 VALUES('a');
SELECT a, LENGTH(a) FROM t1;
a	LENGTH(a)
a	1
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
20
# Coverage for store(double) and store(longlong)
INSERT INTO t1 VALUES(3.14),(CAST(9.8 AS DOUBLE)),(1),(''),(NULL);
# and for sort_string()
SELECT * FROM t1 ORDER BY a;
a
NULL

1
3.14
9.8
a
# Coverage for val_real() and val_int()
SELECT a+1 FROM t1 ORDER BY 1;
a+1
NULL
1
1
2
4.140000000000001
10.8
Warnings:
Warning	1292	Truncated incorrect DOUBLE value: 'a'
Warning	1292	Truncated incorrect DOUBLE value: ''
Warning	1292	Truncated incorrect DOUBLE value: 'a'
Warning	1292	Truncated incorrect DOUBLE value: ''
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
DROP TABLE t1;
#
# MDEV-13540 - Server crashes in copy or Assertion `0' failed in virtual
#              Field* Field_varstring_compressed::new_key_field
#
CREATE TABLE t1 (c1 VARBINARY(10000) COMPRESSED) ENGINE=MyISAM;
INSERT IGNORE INTO t1 VALUES ('foo'),('bar');
CREATE TABLE t2 (c2 VARBINARY(10000) COMPRESSED) ENGINE=MyISAM;
INSERT IGNORE INTO t2 VALUES ('qux'),('abc');
SELECT * FROM t1 WHERE c1 NOT IN ( SELECT c2 FROM t2 WHERE c2 = c1 );
c1
foo
bar
DROP TABLE t1, t2;
#
# MDEV-13541 - Server crashes in next_breadth_first_tab or Assertion `0'
#              failed in Field_varstring_compressed::new_key_field
#
CREATE TABLE t1 (c VARBINARY(10000) COMPRESSED) ENGINE=InnoDB;
INSERT INTO t1 VALUES ('foo'),('bar');
SELECT DISTINCT c FROM t1;
c
foo
bar
DROP TABLE t1;
FLUSH STATUS;
CREATE TABLE t1(a VARCHAR(10000) COMPRESSED, KEY(a(10)));
ERROR HY000: Compressed column 'a' can't be used in key specification
CREATE TABLE t1(a VARCHAR(10000) COMPRESSED);
ALTER TABLE t1 ADD KEY(a(10));
ERROR HY000: Compressed column 'a' can't be used in key specification
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10000) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# Make sure column was actually compressed
INSERT INTO t1 VALUES(REPEAT('a', 1000));
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	1
COLUMN_DECOMPRESSIONS	2
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
28
# Make sure ALTER TABLE rebuilds table
ALTER TABLE t1 MODIFY COLUMN a VARCHAR(10000);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10000) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	1
COLUMN_DECOMPRESSIONS	3
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
1008
# Rebuild back
ALTER TABLE t1 MODIFY COLUMN a VARCHAR(10000) COMPRESSED;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10000) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	5
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
28
# Make sure CREATE TABLE ... LIKE inherits compression
CREATE TABLE t2 LIKE t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` varchar(10000) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t2;
# Make sure implicit CREATE TABLE ... SELECT inherits compression
CREATE TABLE t2 SELECT * FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` varchar(10000) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t2;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	7
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
DATA_LENGTH
28
DROP TABLE t2;
# Make sure explicit CREATE TABLE ... SELECT doesn't inherit compression
CREATE TABLE t2(a VARCHAR(10000)) SELECT * FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` varchar(10000) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t2;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	8
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
DATA_LENGTH
1008
DROP TABLE t2;
# Make sure engine change works
ALTER TABLE t1 ENGINE=InnoDB;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10000) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	10
# Make sure online add column works (requires InnoDB)
ALTER TABLE t1 ADD COLUMN b VARCHAR(10000) COMPRESSED DEFAULT "must be visible";
SELECT LEFT(a, 10), LENGTH(a), b FROM t1;
LEFT(a, 10)	LENGTH(a)	b
aaaaaaaaaa	1000	must be visible
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	12
ALTER TABLE t1 DROP COLUMN b;
ALTER TABLE t1 ENGINE=MyISAM;
TRUNCATE TABLE t1;
# Make sure column_compression_zlib_level works
SET column_compression_zlib_level= 1;
INSERT INTO t1 VALUES(REPEAT('ab', 1000));
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	3
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH < 100 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH < 100
1
TRUNCATE TABLE t1;
SET column_compression_zlib_level= 9;
INSERT INTO t1 VALUES(REPEAT('ab', 1000));
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
32
SET column_compression_zlib_level= DEFAULT;
TRUNCATE TABLE t1;
# No compression, original data shorter than compressed
INSERT INTO t1 VALUES('a');
SELECT a, LENGTH(a) FROM t1;
a	LENGTH(a)
a	1
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
20
# Coverage for store(double) and store(longlong)
INSERT INTO t1 VALUES(3.14),(CAST(9.8 AS DOUBLE)),(1),(''),(NULL);
# and for sort_string()
SELECT * FROM t1 ORDER BY a;
a
NULL

1
3.14
9.8
a
# Coverage for val_real() and val_int()
SELECT a+1 FROM t1 ORDER BY 1;
a+1
NULL
1
1
2
4.140000000000001
10.8
Warnings:
Warning	1292	Truncated incorrect DOUBLE value: 'a'
Warning	1292	Truncated incorrect DOUBLE value: ''
Warning	1292	Truncated incorrect DOUBLE value: 'a'
Warning	1292	Truncated incorrect DOUBLE value: ''
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
DROP TABLE t1;
#
# MDEV-13540 - Server crashes in copy or Assertion `0' failed in virtual
#              Field* Field_varstring_compressed::new_key_field
#
CREATE TABLE t1 (c1 VARCHAR(10000) COMPRESSED) ENGINE=MyISAM;
INSERT IGNORE INTO t1 VALUES ('foo'),('bar');
CREATE TABLE t2 (c2 VARCHAR(10000) COMPRESSED) ENGINE=MyISAM;
INSERT IGNORE INTO t2 VALUES ('qux'),('abc');
SELECT * FROM t1 WHERE c1 NOT IN ( SELECT c2 FROM t2 WHERE c2 = c1 );
c1
foo
bar
DROP TABLE t1, t2;
#
# MDEV-13541 - Server crashes in next_breadth_first_tab or Assertion `0'
#              failed in Field_varstring_compressed::new_key_field
#
CREATE TABLE t1 (c VARCHAR(10000) COMPRESSED) ENGINE=InnoDB;
INSERT INTO t1 VALUES ('foo'),('bar');
SELECT DISTINCT c FROM t1;
c
foo
bar
DROP TABLE t1;
FLUSH STATUS;
CREATE TABLE t1(a TEXT COMPRESSED CHARSET ucs2, KEY(a(10)));
ERROR HY000: Compressed column 'a' can't be used in key specification
CREATE TABLE t1(a TEXT COMPRESSED CHARSET ucs2);
ALTER TABLE t1 ADD KEY(a(10));
ERROR HY000: Compressed column 'a' can't be used in key specification
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ CHARACTER SET ucs2 COLLATE ucs2_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# Make sure column was actually compressed
INSERT INTO t1 VALUES(REPEAT('a', 1000));
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	2000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	1
COLUMN_DECOMPRESSIONS	2
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
36
# Make sure ALTER TABLE rebuilds table
ALTER TABLE t1 MODIFY COLUMN a TEXT;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	1
COLUMN_DECOMPRESSIONS	3
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
1008
# Rebuild back
ALTER TABLE t1 MODIFY COLUMN a TEXT COMPRESSED CHARSET ucs2;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ CHARACTER SET ucs2 COLLATE ucs2_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	2000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	5
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
36
# Make sure CREATE TABLE ... LIKE inherits compression
CREATE TABLE t2 LIKE t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` text /*!100301 COMPRESSED*/ CHARACTER SET ucs2 COLLATE ucs2_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t2;
# Make sure implicit CREATE TABLE ... SELECT inherits compression
CREATE TABLE t2 SELECT * FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` text /*!100301 COMPRESSED*/ CHARACTER SET ucs2 COLLATE ucs2_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t2;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	2000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	7
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
DATA_LENGTH
36
DROP TABLE t2;
# Make sure explicit CREATE TABLE ... SELECT doesn't inherit compression
CREATE TABLE t2(a TEXT) SELECT * FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` text DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t2;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	8
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
DATA_LENGTH
1008
DROP TABLE t2;
# Make sure engine change works
ALTER TABLE t1 ENGINE=InnoDB;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ CHARACTER SET ucs2 COLLATE ucs2_general_ci DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	2000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	10
# Make sure online add column works (requires InnoDB)
ALTER TABLE t1 ADD COLUMN b TEXT COMPRESSED CHARSET ucs2 DEFAULT "must be visible";
SELECT LEFT(a, 10), LENGTH(a), b FROM t1;
LEFT(a, 10)	LENGTH(a)	b
aaaaaaaaaa	2000	must be visible
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	12
ALTER TABLE t1 DROP COLUMN b;
ALTER TABLE t1 ENGINE=MyISAM;
TRUNCATE TABLE t1;
# Make sure column_compression_zlib_level works
SET column_compression_zlib_level= 1;
INSERT INTO t1 VALUES(REPEAT('ab', 1000));
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	3
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH < 100 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH < 100
1
TRUNCATE TABLE t1;
SET column_compression_zlib_level= 9;
INSERT INTO t1 VALUES(REPEAT('ab', 1000));
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
44
SET column_compression_zlib_level= DEFAULT;
TRUNCATE TABLE t1;
# No compression, original data shorter than compressed
INSERT INTO t1 VALUES('a');
SELECT a, LENGTH(a) FROM t1;
a	LENGTH(a)
a	2
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
20
# Coverage for store(double) and store(longlong)
INSERT INTO t1 VALUES(3.14),(CAST(9.8 AS DOUBLE)),(1),(''),(NULL);
# and for sort_string()
SELECT * FROM t1 ORDER BY a;
a
NULL

1
3.14
9.8
a
# Coverage for val_real() and val_int()
SELECT a+1 FROM t1 ORDER BY 1;
a+1
NULL
1
1
2
4.140000000000001
10.8
Warnings:
Warning	1292	Truncated incorrect DOUBLE value: 'a'
Warning	1292	Truncated incorrect DOUBLE value: ''
Warning	1292	Truncated incorrect DOUBLE value: 'a'
Warning	1292	Truncated incorrect DOUBLE value: ''
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
DROP TABLE t1;
#
# MDEV-13540 - Server crashes in copy or Assertion `0' failed in virtual
#              Field* Field_varstring_compressed::new_key_field
#
CREATE TABLE t1 (c1 TEXT COMPRESSED CHARSET ucs2) ENGINE=MyISAM;
INSERT IGNORE INTO t1 VALUES ('foo'),('bar');
CREATE TABLE t2 (c2 TEXT COMPRESSED CHARSET ucs2) ENGINE=MyISAM;
INSERT IGNORE INTO t2 VALUES ('qux'),('abc');
SELECT * FROM t1 WHERE c1 NOT IN ( SELECT c2 FROM t2 WHERE c2 = c1 );
c1
foo
bar
DROP TABLE t1, t2;
#
# MDEV-13541 - Server crashes in next_breadth_first_tab or Assertion `0'
#              failed in Field_varstring_compressed::new_key_field
#
CREATE TABLE t1 (c TEXT COMPRESSED CHARSET ucs2) ENGINE=InnoDB;
INSERT INTO t1 VALUES ('foo'),('bar');
SELECT DISTINCT c FROM t1;
c
foo
bar
DROP TABLE t1;
SET column_compression_zlib_wrap=DEFAULT;
FLUSH STATUS;
CREATE TABLE t1(a BLOB COMPRESSED, KEY(a(10)));
ERROR HY000: Compressed column 'a' can't be used in key specification
CREATE TABLE t1(a BLOB COMPRESSED);
ALTER TABLE t1 ADD KEY(a(10));
ERROR HY000: Compressed column 'a' can't be used in key specification
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# Make sure column was actually compressed
INSERT INTO t1 VALUES(REPEAT('a', 1000));
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	1
COLUMN_DECOMPRESSIONS	2
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
24
# Make sure ALTER TABLE rebuilds table
ALTER TABLE t1 MODIFY COLUMN a BLOB;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	1
COLUMN_DECOMPRESSIONS	3
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
1008
# Rebuild back
ALTER TABLE t1 MODIFY COLUMN a BLOB COMPRESSED;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	5
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
24
# Make sure CREATE TABLE ... LIKE inherits compression
CREATE TABLE t2 LIKE t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t2;
# Make sure implicit CREATE TABLE ... SELECT inherits compression
CREATE TABLE t2 SELECT * FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t2;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	7
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
DATA_LENGTH
24
DROP TABLE t2;
# Make sure explicit CREATE TABLE ... SELECT doesn't inherit compression
CREATE TABLE t2(a BLOB) SELECT * FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` blob DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t2;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	8
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
DATA_LENGTH
1008
DROP TABLE t2;
# Make sure engine change works
ALTER TABLE t1 ENGINE=InnoDB;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	1000
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	10
# Make sure online add column works (requires InnoDB)
ALTER TABLE t1 ADD COLUMN b BLOB COMPRESSED DEFAULT "must be visible";
SELECT LEFT(a, 10), LENGTH(a), b FROM t1;
LEFT(a, 10)	LENGTH(a)	b
aaaaaaaaaa	1000	must be visible
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	2
COLUMN_DECOMPRESSIONS	12
ALTER TABLE t1 DROP COLUMN b;
ALTER TABLE t1 ENGINE=MyISAM;
TRUNCATE TABLE t1;
# Make sure column_compression_zlib_level works
SET column_compression_zlib_level= 1;
INSERT INTO t1 VALUES(REPEAT('ab', 1000));
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	3
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH < 100 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH < 100
1
TRUNCATE TABLE t1;
SET column_compression_zlib_level= 9;
INSERT INTO t1 VALUES(REPEAT('ab', 1000));
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
28
SET column_compression_zlib_level= DEFAULT;
TRUNCATE TABLE t1;
# No compression, original data shorter than compressed
INSERT INTO t1 VALUES('a');
SELECT a, LENGTH(a) FROM t1;
a	LENGTH(a)
a	1
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DATA_LENGTH
20
# Coverage for store(double) and store(longlong)
INSERT INTO t1 VALUES(3.14),(CAST(9.8 AS DOUBLE)),(1),(''),(NULL);
# and for sort_string()
SELECT * FROM t1 ORDER BY a;
a
NULL

1
3.14
9.8
a
# Coverage for val_real() and val_int()
SELECT a+1 FROM t1 ORDER BY 1;
a+1
NULL
1
1
2
4.140000000000001
10.8
Warnings:
Warning	1292	Truncated incorrect DOUBLE value: 'a'
Warning	1292	Truncated incorrect DOUBLE value: ''
Warning	1292	Truncated incorrect DOUBLE value: 'a'
Warning	1292	Truncated incorrect DOUBLE value: ''
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
VARIABLE_NAME	VARIABLE_VALUE
COLUMN_COMPRESSIONS	4
COLUMN_DECOMPRESSIONS	12
DROP TABLE t1;
#
# MDEV-13540 - Server crashes in copy or Assertion `0' failed in virtual
#              Field* Field_varstring_compressed::new_key_field
#
CREATE TABLE t1 (c1 BLOB COMPRESSED) ENGINE=MyISAM;
INSERT IGNORE INTO t1 VALUES ('foo'),('bar');
CREATE TABLE t2 (c2 BLOB COMPRESSED) ENGINE=MyISAM;
INSERT IGNORE INTO t2 VALUES ('qux'),('abc');
SELECT * FROM t1 WHERE c1 NOT IN ( SELECT c2 FROM t2 WHERE c2 = c1 );
c1
foo
bar
DROP TABLE t1, t2;
#
# MDEV-13541 - Server crashes in next_breadth_first_tab or Assertion `0'
#              failed in Field_varstring_compressed::new_key_field
#
CREATE TABLE t1 (c BLOB COMPRESSED) ENGINE=InnoDB;
INSERT INTO t1 VALUES ('foo'),('bar');
SELECT DISTINCT c FROM t1;
c
foo
bar
DROP TABLE t1;
CREATE TABLE t1(a CHAR(100) COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1(a CHAR(100) NOT NULL COMPRESSED);
ERROR 42000: Incorrect column specifier for column 'a'
CREATE TABLE t1(a INT COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1(a BLOB COMPRESSED=unknown);
ERROR HY000: Unknown compression method: unknown
CREATE TABLE t1(a BLOB COMPRESSED COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1(a INT);
ALTER TABLE t1 MODIFY a INT COMPRESSED;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED' at line 1
ALTER TABLE t1 MODIFY a INT NOT NULL COMPRESSED;
ERROR 42000: Incorrect column specifier for column 'a'
DROP TABLE t1;
# Test CSV
CREATE TABLE t1(a BLOB COMPRESSED NOT NULL) ENGINE=CSV;
INSERT INTO t1 VALUES(REPEAT('a', 110));
SELECT LENGTH(a) FROM t1;
LENGTH(a)
110
ALTER TABLE t1 ENGINE=MyISAM;
SELECT LENGTH(a) FROM t1;
LENGTH(a)
110
ALTER TABLE t1 ENGINE=CSV;
SELECT LENGTH(a) FROM t1;
LENGTH(a)
110
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ NOT NULL DEFAULT ''
) ENGINE=CSV DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
DROP TABLE t1;
# Test fields that don't fit data
CREATE TABLE t1(a VARCHAR(9) COMPRESSED);
INSERT INTO t1 VALUES(REPEAT('a', 10));
ERROR 22001: Data too long for column 'a' at row 1
INSERT INTO t1 VALUES(REPEAT(' ', 10));
Warnings:
Note	1265	Data truncated for column 'a' at row 1
SELECT a, LENGTH(a) FROM t1;
a	LENGTH(a)
         	9
DROP TABLE t1;
CREATE TABLE t1(a TINYTEXT COMPRESSED);
SET column_compression_threshold=300;
INSERT INTO t1 VALUES(REPEAT('a', 254));
INSERT INTO t1 VALUES(REPEAT(' ', 254));
INSERT INTO t1 VALUES(REPEAT('a', 255));
ERROR 22001: Data too long for column 'a' at row 1
INSERT INTO t1 VALUES(REPEAT(' ', 255));
Warnings:
Note	1265	Data truncated for column 'a' at row 1
INSERT INTO t1 VALUES(REPEAT('a', 256));
ERROR 22001: Data too long for column 'a' at row 1
INSERT INTO t1 VALUES(REPEAT(' ', 256));
Warnings:
Note	1265	Data truncated for column 'a' at row 1
Note	1265	Data truncated for column 'a' at row 1
INSERT INTO t1 VALUES(REPEAT('a', 257));
ERROR 22001: Data too long for column 'a' at row 1
INSERT INTO t1 VALUES(REPEAT(' ', 257));
Warnings:
Note	1265	Data truncated for column 'a' at row 1
Note	1265	Data truncated for column 'a' at row 1
SET column_compression_threshold=DEFAULT;
SELECT LEFT(a, 10), LENGTH(a) FROM t1 ORDER BY 1;
LEFT(a, 10)	LENGTH(a)
          	254
          	254
          	254
          	254
aaaaaaaaaa	254
DROP TABLE t1;
# Corner case: VARCHAR(255) COMPRESSED must have 2 bytes pack length
CREATE TABLE t1(a VARCHAR(255) COMPRESSED);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(255) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SET column_compression_threshold=300;
INSERT INTO t1 VALUES(REPEAT('a', 255));
SET column_compression_threshold=DEFAULT;
SELECT a, LENGTH(a) FROM t1;
a	LENGTH(a)
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa	255
DROP TABLE t1;
CREATE TABLE t1(a VARCHAR(65531) COMPRESSED);
SET column_compression_threshold=65537;
INSERT INTO t1 VALUES(REPEAT('a', 65530));
INSERT INTO t1 VALUES(REPEAT(' ', 65530));
INSERT INTO t1 VALUES(REPEAT('a', 65531));
INSERT INTO t1 VALUES(REPEAT(' ', 65531));
INSERT INTO t1 VALUES(REPEAT('a', 65532));
ERROR 22001: Data too long for column 'a' at row 1
INSERT INTO t1 VALUES(REPEAT(' ', 65532));
Warnings:
Note	1265	Data truncated for column 'a' at row 1
INSERT INTO t1 VALUES(REPEAT('a', 65533));
ERROR 22001: Data too long for column 'a' at row 1
INSERT INTO t1 VALUES(REPEAT(' ', 65533));
Warnings:
Note	1265	Data truncated for column 'a' at row 1
SET column_compression_threshold=DEFAULT;
SELECT LEFT(a, 10), LENGTH(a) FROM t1 ORDER BY 1, 2;
LEFT(a, 10)	LENGTH(a)
          	65530
          	65531
          	65531
          	65531
aaaaaaaaaa	65530
aaaaaaaaaa	65531
DROP TABLE t1;
#
# MDEV-14929 - AddressSanitizer: memcpy-param-overlap in
#              Field_longstr::compress
#
CREATE TABLE t1(b BLOB COMPRESSED);
INSERT INTO t1 VALUES('foo'),('bar');
SET SESSION optimizer_switch = 'derived_merge=off';
SELECT * FROM ( SELECT * FROM t1 ) AS sq ORDER BY b;
b
bar
foo
SET SESSION optimizer_switch=DEFAULT;
DROP TABLE t1;
#
# MDEV-15762 - VARCHAR(0) COMPRESSED crashes the server
#
CREATE TABLE t1(a VARCHAR(0) COMPRESSED);
INSERT INTO t1 VALUES('a');
ERROR 22001: Data too long for column 'a' at row 1
INSERT INTO t1 VALUES(' ');
Warnings:
Note	1265	Data truncated for column 'a' at row 1
SELECT LENGTH(a) FROM t1;
LENGTH(a)
0
DROP TABLE t1;
#
# MDEV-15763 - VARCHAR(1) COMPRESSED crashes the server
#
CREATE TABLE t1(a VARCHAR(1) COMPRESSED);
SET column_compression_threshold=0;
INSERT INTO t1 VALUES('a');
SET column_compression_threshold=DEFAULT;
DROP TABLE t1;
#
# MDEV-15938 - TINYTEXT CHARACTER SET utf8 COMPRESSED truncates data
#
CREATE TABLE t1(a TINYTEXT COMPRESSED, b TINYTEXT) CHARACTER SET utf8;
INSERT INTO t1 VALUES (REPEAT(_latin1'a', 254), REPEAT(_latin1'a', 254));
SELECT CHAR_LENGTH(a), CHAR_LENGTH(b), LEFT(a, 10), LEFT(b, 10) FROM t1;
CHAR_LENGTH(a)	CHAR_LENGTH(b)	LEFT(a, 10)	LEFT(b, 10)
254	254	aaaaaaaaaa	aaaaaaaaaa
DROP TABLE t1;
#
# MDEV-16134 Wrong I_S.COLUMNS.CHARACTER_XXX_LENGTH value for compressed columns
#
CREATE TABLE t1
(
a VARCHAR(10) COMPRESSED CHARACTER SET latin1,
b VARCHAR(10) COMPRESSED CHARACTER SET utf8
);
SELECT COLUMN_NAME, CHARACTER_MAXIMUM_LENGTH, CHARACTER_OCTET_LENGTH
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1' AND COLUMN_NAME IN ('a','b')
ORDER BY COLUMN_NAME;
COLUMN_NAME	CHARACTER_MAXIMUM_LENGTH	CHARACTER_OCTET_LENGTH
a	10	10
b	10	30
DROP TABLE t1;
#
# MDEV-15592 - Column COMPRESSED should select a 'high order' datatype
#
CREATE TABLE t1(a TINYTEXT COMPRESSED);
INSERT INTO t1 VALUES(REPEAT('a', 255));
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
LEFT(a, 10)	LENGTH(a)
aaaaaaaaaa	255
DROP TABLE t1;
#
# MDEV-16729 VARCHAR COMPRESSED is created with a wrong length for multi-byte character sets
#
CREATE OR REPLACE TABLE t1 (a VARCHAR(1000) COMPRESSED CHARACTER SET utf8);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(1000) /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT COLUMN_TYPE FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
COLUMN_TYPE
varchar(1000) /*!100301 COMPRESSED*/
DROP TABLE t1;
#
# MDEV-17363 - Compressed columns cannot be restored from dump
#
CREATE TABLE t1(a INT NOT NULL COMPRESSED);
ERROR 42000: Incorrect column specifier for column 'a'
SHOW WARNINGS;
Level	Code	Message
Error	1063	Incorrect column specifier for column 'a'
CREATE TABLE t1(
a JSON COMPRESSED,
b VARCHAR(1000) COMPRESSED BINARY,
c NVARCHAR(1000) COMPRESSED BINARY,
d TINYTEXT COMPRESSED BINARY
);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longtext /*!100301 COMPRESSED*/ CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL CHECK (json_valid(`a`)),
  `b` varchar(1000) /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL,
  `c` varchar(1000) /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_bin DEFAULT NULL,
  `d` tinytext /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# VARCHAR and TEXT variants
#
#
# The following statements run without warnings.
# The `compressed opt_binary` grammar sequence is covered.
#
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED BINARY);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED BINARY ASCII);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED BYTE);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varbinary(10) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED ASCII);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED UNICODE);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ CHARACTER SET ucs2 COLLATE ucs2_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED CHARACTER SET utf8);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements run without warnings.
# They have extra column attributes (or GENERATED) after COMPRESSED.
#
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED BYTE DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varbinary(10) /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED BINARY DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED ASCII DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED CHARACTER SET utf8 DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED CHARACTER SET utf8 GENERATED ALWAYS AS (REPEAT('a',100)));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci GENERATED ALWAYS AS (repeat('a',100)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements return deprecated syntax warnings
#
CREATE TABLE t1 (a VARCHAR(10) BINARY COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10) ASCII COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10) BYTE COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varbinary(10) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements fail by the grammar,
# because COMPRESSED immediately follows  'field_type'.
#
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED BYTE COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED BINARY COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED ASCII COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED CHARACTER SET utf8 COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements are not prohibited by the *.yy grammar,
# because the sequence `field_type attribute COMPRESSED` is allowed
# (notice there is at least one attribute after `field_type`).
# The first COMPRESSED is parsed inside `field_type`.
# The second COMPRESSED passes through the parser but then is caught
# inside Column_definition::set_compressed_deprecated_with_type_check()
# and a syntax error is raised.
#
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED BYTE DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED BINARY DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED ASCII DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED CHARACTER SET utf8 DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements run without warnings.
# The `compressed opt_binary` grammar sequence is covered.
#
CREATE TABLE t1 (a TINYTEXT COMPRESSED);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinytext /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TINYTEXT COMPRESSED BINARY);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinytext /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TINYTEXT COMPRESSED BINARY ASCII);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinytext /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TINYTEXT COMPRESSED BYTE);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinyblob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TINYTEXT COMPRESSED ASCII);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinytext /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TINYTEXT COMPRESSED UNICODE);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinytext /*!100301 COMPRESSED*/ CHARACTER SET ucs2 COLLATE ucs2_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TINYTEXT COMPRESSED CHARACTER SET utf8);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinytext /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements run without warnings.
# They have extra column attributes (or GENERATED) after COMPRESSED.
#
CREATE TABLE t1 (a TINYTEXT COMPRESSED BYTE DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinyblob /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TINYTEXT COMPRESSED BINARY DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinytext /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TINYTEXT COMPRESSED ASCII DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinytext /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TINYTEXT COMPRESSED CHARACTER SET utf8 DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinytext /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TINYTEXT COMPRESSED CHARACTER SET utf8 GENERATED ALWAYS AS (REPEAT('a',100)));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinytext /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci GENERATED ALWAYS AS (repeat('a',100)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements return deprecated syntax warnings
#
CREATE TABLE t1 (a TINYTEXT BINARY COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinytext /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TINYTEXT ASCII COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinytext /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TINYTEXT BYTE COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinyblob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements fail by the grammar,
# because COMPRESSED immediately follows  'field_type'.
#
CREATE TABLE t1 (a TINYTEXT COMPRESSED BYTE COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a TINYTEXT COMPRESSED BINARY COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a TINYTEXT COMPRESSED ASCII COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a TINYTEXT COMPRESSED CHARACTER SET utf8 COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements are not prohibited by the *.yy grammar,
# because the sequence `field_type attribute COMPRESSED` is allowed
# (notice there is at least one attribute after `field_type`).
# The first COMPRESSED is parsed inside `field_type`.
# The second COMPRESSED passes through the parser but then is caught
# inside Column_definition::set_compressed_deprecated_with_type_check()
# and a syntax error is raised.
#
CREATE TABLE t1 (a TINYTEXT COMPRESSED BYTE DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a TINYTEXT COMPRESSED BINARY DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a TINYTEXT COMPRESSED ASCII DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a TINYTEXT COMPRESSED CHARACTER SET utf8 DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements run without warnings.
# The `compressed opt_binary` grammar sequence is covered.
#
CREATE TABLE t1 (a TEXT COMPRESSED);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TEXT COMPRESSED BINARY);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TEXT COMPRESSED BINARY ASCII);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TEXT COMPRESSED BYTE);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TEXT COMPRESSED ASCII);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TEXT COMPRESSED UNICODE);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ CHARACTER SET ucs2 COLLATE ucs2_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TEXT COMPRESSED CHARACTER SET utf8);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements run without warnings.
# They have extra column attributes (or GENERATED) after COMPRESSED.
#
CREATE TABLE t1 (a TEXT COMPRESSED BYTE DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TEXT COMPRESSED BINARY DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TEXT COMPRESSED ASCII DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TEXT COMPRESSED CHARACTER SET utf8 DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TEXT COMPRESSED CHARACTER SET utf8 GENERATED ALWAYS AS (REPEAT('a',100)));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci GENERATED ALWAYS AS (repeat('a',100)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements return deprecated syntax warnings
#
CREATE TABLE t1 (a TEXT BINARY COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TEXT ASCII COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` text /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TEXT BYTE COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements fail by the grammar,
# because COMPRESSED immediately follows  'field_type'.
#
CREATE TABLE t1 (a TEXT COMPRESSED BYTE COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a TEXT COMPRESSED BINARY COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a TEXT COMPRESSED ASCII COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a TEXT COMPRESSED CHARACTER SET utf8 COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements are not prohibited by the *.yy grammar,
# because the sequence `field_type attribute COMPRESSED` is allowed
# (notice there is at least one attribute after `field_type`).
# The first COMPRESSED is parsed inside `field_type`.
# The second COMPRESSED passes through the parser but then is caught
# inside Column_definition::set_compressed_deprecated_with_type_check()
# and a syntax error is raised.
#
CREATE TABLE t1 (a TEXT COMPRESSED BYTE DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a TEXT COMPRESSED BINARY DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a TEXT COMPRESSED ASCII DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a TEXT COMPRESSED CHARACTER SET utf8 DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements run without warnings.
# The `compressed opt_binary` grammar sequence is covered.
#
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumtext /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED BINARY);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumtext /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED BINARY ASCII);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumtext /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED BYTE);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumblob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED ASCII);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumtext /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED UNICODE);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumtext /*!100301 COMPRESSED*/ CHARACTER SET ucs2 COLLATE ucs2_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED CHARACTER SET utf8);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumtext /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements run without warnings.
# They have extra column attributes (or GENERATED) after COMPRESSED.
#
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED BYTE DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumblob /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED BINARY DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumtext /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED ASCII DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumtext /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED CHARACTER SET utf8 DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumtext /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED CHARACTER SET utf8 GENERATED ALWAYS AS (REPEAT('a',100)));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumtext /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci GENERATED ALWAYS AS (repeat('a',100)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements return deprecated syntax warnings
#
CREATE TABLE t1 (a MEDIUMTEXT BINARY COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumtext /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a MEDIUMTEXT ASCII COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumtext /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a MEDIUMTEXT BYTE COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumblob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements fail by the grammar,
# because COMPRESSED immediately follows  'field_type'.
#
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED BYTE COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED BINARY COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED ASCII COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED CHARACTER SET utf8 COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements are not prohibited by the *.yy grammar,
# because the sequence `field_type attribute COMPRESSED` is allowed
# (notice there is at least one attribute after `field_type`).
# The first COMPRESSED is parsed inside `field_type`.
# The second COMPRESSED passes through the parser but then is caught
# inside Column_definition::set_compressed_deprecated_with_type_check()
# and a syntax error is raised.
#
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED BYTE DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED BINARY DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED ASCII DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a MEDIUMTEXT COMPRESSED CHARACTER SET utf8 DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements run without warnings.
# The `compressed opt_binary` grammar sequence is covered.
#
CREATE TABLE t1 (a LONGTEXT COMPRESSED);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longtext /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a LONGTEXT COMPRESSED BINARY);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longtext /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a LONGTEXT COMPRESSED BINARY ASCII);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longtext /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a LONGTEXT COMPRESSED BYTE);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longblob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a LONGTEXT COMPRESSED ASCII);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longtext /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a LONGTEXT COMPRESSED UNICODE);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longtext /*!100301 COMPRESSED*/ CHARACTER SET ucs2 COLLATE ucs2_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a LONGTEXT COMPRESSED CHARACTER SET utf8);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longtext /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements run without warnings.
# They have extra column attributes (or GENERATED) after COMPRESSED.
#
CREATE TABLE t1 (a LONGTEXT COMPRESSED BYTE DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longblob /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a LONGTEXT COMPRESSED BINARY DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longtext /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a LONGTEXT COMPRESSED ASCII DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longtext /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a LONGTEXT COMPRESSED CHARACTER SET utf8 DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longtext /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a LONGTEXT COMPRESSED CHARACTER SET utf8 GENERATED ALWAYS AS (REPEAT('a',100)));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longtext /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci GENERATED ALWAYS AS (repeat('a',100)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements return deprecated syntax warnings
#
CREATE TABLE t1 (a LONGTEXT BINARY COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longtext /*!100301 COMPRESSED*/ CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a LONGTEXT ASCII COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longtext /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a LONGTEXT BYTE COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longblob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements fail by the grammar,
# because COMPRESSED immediately follows  'field_type'.
#
CREATE TABLE t1 (a LONGTEXT COMPRESSED BYTE COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a LONGTEXT COMPRESSED BINARY COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a LONGTEXT COMPRESSED ASCII COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a LONGTEXT COMPRESSED CHARACTER SET utf8 COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements are not prohibited by the *.yy grammar,
# because the sequence `field_type attribute COMPRESSED` is allowed
# (notice there is at least one attribute after `field_type`).
# The first COMPRESSED is parsed inside `field_type`.
# The second COMPRESSED passes through the parser but then is caught
# inside Column_definition::set_compressed_deprecated_with_type_check()
# and a syntax error is raised.
#
CREATE TABLE t1 (a LONGTEXT COMPRESSED BYTE DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a LONGTEXT COMPRESSED BINARY DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a LONGTEXT COMPRESSED ASCII DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a LONGTEXT COMPRESSED CHARACTER SET utf8 DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# VARBINARY and BLOB variables
#
#
# The following statements run without warnings.
#
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements run without warnings.
# They have extra column attributes (or GENERATED) after COMPRESSED.
#
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED GENERATED ALWAYS AS (REPEAT('a',10)));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ GENERATED ALWAYS AS (repeat('a',10)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements return deprecated syntax warnings
#
CREATE TABLE t1 (a VARCHAR(10) DEFAULT '' COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(10) NULL COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements fail by the grammar,
# because COMPRESSED immediately follows  'field_type'.
#
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements are not prohibited by the *.yy grammar,
# because the sequence `field_type attribute COMPRESSED` is allowed
# (notice there is at least one attribute after `field_type`).
# The first COMPRESSED is parsed inside `field_type`.
# The second COMPRESSED passes through the parser but then is caught
# inside Column_definition::set_compressed_deprecated_with_type_check()
# and a syntax error is raised.
#
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a VARCHAR(10) COMPRESSED NULL COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements run without warnings.
#
CREATE TABLE t1 (a TINYBLOB COMPRESSED);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinyblob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements run without warnings.
# They have extra column attributes (or GENERATED) after COMPRESSED.
#
CREATE TABLE t1 (a TINYBLOB COMPRESSED DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinyblob /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TINYBLOB COMPRESSED NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinyblob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TINYBLOB COMPRESSED GENERATED ALWAYS AS (REPEAT('a',10)));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinyblob /*!100301 COMPRESSED*/ GENERATED ALWAYS AS (repeat('a',10)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements return deprecated syntax warnings
#
CREATE TABLE t1 (a TINYBLOB DEFAULT '' COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinyblob /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a TINYBLOB NULL COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` tinyblob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements fail by the grammar,
# because COMPRESSED immediately follows  'field_type'.
#
CREATE TABLE t1 (a TINYBLOB COMPRESSED COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements are not prohibited by the *.yy grammar,
# because the sequence `field_type attribute COMPRESSED` is allowed
# (notice there is at least one attribute after `field_type`).
# The first COMPRESSED is parsed inside `field_type`.
# The second COMPRESSED passes through the parser but then is caught
# inside Column_definition::set_compressed_deprecated_with_type_check()
# and a syntax error is raised.
#
CREATE TABLE t1 (a TINYBLOB COMPRESSED DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a TINYBLOB COMPRESSED NULL COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements run without warnings.
#
CREATE TABLE t1 (a BLOB COMPRESSED);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements run without warnings.
# They have extra column attributes (or GENERATED) after COMPRESSED.
#
CREATE TABLE t1 (a BLOB COMPRESSED DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a BLOB COMPRESSED NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a BLOB COMPRESSED GENERATED ALWAYS AS (REPEAT('a',10)));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ GENERATED ALWAYS AS (repeat('a',10)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements return deprecated syntax warnings
#
CREATE TABLE t1 (a BLOB DEFAULT '' COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a BLOB NULL COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements fail by the grammar,
# because COMPRESSED immediately follows  'field_type'.
#
CREATE TABLE t1 (a BLOB COMPRESSED COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements are not prohibited by the *.yy grammar,
# because the sequence `field_type attribute COMPRESSED` is allowed
# (notice there is at least one attribute after `field_type`).
# The first COMPRESSED is parsed inside `field_type`.
# The second COMPRESSED passes through the parser but then is caught
# inside Column_definition::set_compressed_deprecated_with_type_check()
# and a syntax error is raised.
#
CREATE TABLE t1 (a BLOB COMPRESSED DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a BLOB COMPRESSED NULL COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements run without warnings.
#
CREATE TABLE t1 (a MEDIUMBLOB COMPRESSED);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumblob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements run without warnings.
# They have extra column attributes (or GENERATED) after COMPRESSED.
#
CREATE TABLE t1 (a MEDIUMBLOB COMPRESSED DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumblob /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a MEDIUMBLOB COMPRESSED NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumblob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a MEDIUMBLOB COMPRESSED GENERATED ALWAYS AS (REPEAT('a',10)));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumblob /*!100301 COMPRESSED*/ GENERATED ALWAYS AS (repeat('a',10)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements return deprecated syntax warnings
#
CREATE TABLE t1 (a MEDIUMBLOB DEFAULT '' COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumblob /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a MEDIUMBLOB NULL COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` mediumblob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements fail by the grammar,
# because COMPRESSED immediately follows  'field_type'.
#
CREATE TABLE t1 (a MEDIUMBLOB COMPRESSED COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements are not prohibited by the *.yy grammar,
# because the sequence `field_type attribute COMPRESSED` is allowed
# (notice there is at least one attribute after `field_type`).
# The first COMPRESSED is parsed inside `field_type`.
# The second COMPRESSED passes through the parser but then is caught
# inside Column_definition::set_compressed_deprecated_with_type_check()
# and a syntax error is raised.
#
CREATE TABLE t1 (a MEDIUMBLOB COMPRESSED DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a MEDIUMBLOB COMPRESSED NULL COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements run without warnings.
#
CREATE TABLE t1 (a LONGBLOB COMPRESSED);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longblob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements run without warnings.
# They have extra column attributes (or GENERATED) after COMPRESSED.
#
CREATE TABLE t1 (a LONGBLOB COMPRESSED DEFAULT '');
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longblob /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a LONGBLOB COMPRESSED NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longblob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a LONGBLOB COMPRESSED GENERATED ALWAYS AS (REPEAT('a',10)));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longblob /*!100301 COMPRESSED*/ GENERATED ALWAYS AS (repeat('a',10)) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements return deprecated syntax warnings
#
CREATE TABLE t1 (a LONGBLOB DEFAULT '' COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longblob /*!100301 COMPRESSED*/ DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a LONGBLOB NULL COMPRESSED);
Warnings:
Warning	1287	'<data type> <character set clause> ... COMPRESSED...' is deprecated and will be removed in a future release. Please use '<data type> COMPRESSED... <character set clause> ...' instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` longblob /*!100301 COMPRESSED*/ DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# The following statements fail by the grammar,
# because COMPRESSED immediately follows  'field_type'.
#
CREATE TABLE t1 (a LONGBLOB COMPRESSED COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# The following statements are not prohibited by the *.yy grammar,
# because the sequence `field_type attribute COMPRESSED` is allowed
# (notice there is at least one attribute after `field_type`).
# The first COMPRESSED is parsed inside `field_type`.
# The second COMPRESSED passes through the parser but then is caught
# inside Column_definition::set_compressed_deprecated_with_type_check()
# and a syntax error is raised.
#
CREATE TABLE t1 (a LONGBLOB COMPRESSED DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a LONGBLOB COMPRESSED NULL COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# NVARCHAR
#
CREATE TABLE t1 (a NVARCHAR(10) COMPRESSED);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) /*!100301 COMPRESSED*/ CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a NVARCHAR(10) COMPRESSED BINARY COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
CREATE TABLE t1 (a NVARCHAR(10) COMPRESSED DEFAULT '' COMPRESSED);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'COMPRESSED)' at line 1
#
# MDEV-21348 - Memory leak in Storage-Engine Independent Column
#              Compression
#
CREATE TABLE t1(a BLOB COMPRESSED);
SET column_compression_threshold=0;
INSERT INTO t1 VALUES('aa');
SET column_compression_threshold=DEFAULT;
DROP TABLE t1;
#
# MDEV-31724 Compressed varchar values lost on joins when sorting on columns from joined table(s)
#
CREATE TABLE t1 (
id  int(10) unsigned not null,
txt varchar(5000) COMPRESSED NOT NULL DEFAULT '',
PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_bin;
CREATE TABLE t2 (
id int(10) unsigned not null,
n1 bigint(20) NOT NULL,
n2 bigint(20) NOT NULL,
n3 bigint(20) NOT NULL,
PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_bin;
INSERT INTO t1 VALUES
(1, 'short string < 100 chars'),
(2, 'long string =  99 chars                                                                            '),
(3, 'long string = 100 chars                                                                            !'),
(4, 'long string = 101 chars                                                                             !');
INSERT INTO t2 VALUES
(1, 24, 1, 1),
(2, 99, 2, 2),
(3, 100, 3, 3),
(4, 101, 4, 4);
SELECT txt, v.* FROM t1 LEFT JOIN t2 v ON t1.id = v.id;
txt	id	n1	n2	n3
short string < 100 chars	1	24	1	1
long string =  99 chars                                                                            	2	99	2	2
long string = 100 chars                                                                            !	3	100	3	3
long string = 101 chars                                                                             !	4	101	4	4
SELECT txt, v.* FROM t1 LEFT JOIN t2 v ON t1.id = v.id ORDER BY v.n1;
txt	id	n1	n2	n3
short string < 100 chars	1	24	1	1
long string =  99 chars                                                                            	2	99	2	2
long string = 100 chars                                                                            !	3	100	3	3
long string = 101 chars                                                                             !	4	101	4	4
SELECT txt, v.* FROM t1 JOIN t2 v ON t1.id = v.id;
txt	id	n1	n2	n3
short string < 100 chars	1	24	1	1
long string =  99 chars                                                                            	2	99	2	2
long string = 100 chars                                                                            !	3	100	3	3
long string = 101 chars                                                                             !	4	101	4	4
SELECT txt, v.* FROM t1 JOIN t2 v ON t1.id = v.id ORDER BY v.n1;
txt	id	n1	n2	n3
short string < 100 chars	1	24	1	1
long string =  99 chars                                                                            	2	99	2	2
long string = 100 chars                                                                            !	3	100	3	3
long string = 101 chars                                                                             !	4	101	4	4
DROP TABLE t1, t2;
CREATE OR REPLACE TABLE t1 (
id INT NOT NULL PRIMARY KEY,
txt varchar(5000) COMPRESSED NOT NULL DEFAULT ''
) CHARSET=utf8mb3;
INSERT INTO t1 VALUES
(1, REPEAT('a', 10)),
(2, REPEAT('b', 99)),
(3, REPEAT('c', 100)),
(4, REPEAT('d', 121));
SELECT txt, sysdate(6) FROM t1 ORDER BY 2;
txt	sysdate(6)
aaaaaaaaaa	<sysdate>
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb	<sysdate>
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc	<sysdate>
ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd	<sysdate>
DROP TABLE t1;
CREATE FUNCTION f1(imax INT, jmax INT) RETURNS TEXT
BEGIN
DECLARE res TEXT DEFAULT 'x';
FOR i IN 0..imax
DO
FOR j IN 0..jmax
DO
SET res=CONCAT(res, ' ', i, ' ', j);
END FOR;
END FOR;
RETURN res;
END;
$$
SET @@column_compression_threshold=32;
# VARCHAR1, 8bit, truncation
CREATE TABLE t1 (a VARCHAR(254) COMPRESSED CHARACTER SET latin1);
INSERT INTO t1 VALUES (f1(6,6));
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
LENGTH(a)	LEFT(a,30)	RIGHT(a,30)
197	x 0 0 0 1 0 2 0 3 0 4 0 5 0 6 	 6 6 0 6 1 6 2 6 3 6 4 6 5 6 6
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(4) COMPRESSED CHARACTER SET latin1;
Warnings:
Warning	1265	Data truncated for column 'a' at row 1
SHOW STATUS LIKE 'Column%compressions';
Variable_name	Value
Column_compressions	0
Column_decompressions	1
SELECT LENGTH(a), a FROM t1;
LENGTH(a)	a
4	x 0 
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(254) COMPRESSED CHARACTER SET latin1);
INSERT INTO t1 VALUES (REPEAT('a',254));
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
LENGTH(a)	LEFT(a,30)	RIGHT(a,30)
254	aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa	aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(4) COMPRESSED CHARACTER SET latin1;
Warnings:
Warning	1265	Data truncated for column 'a' at row 1
SHOW STATUS LIKE 'Column%compressions';
Variable_name	Value
Column_compressions	0
Column_decompressions	1
SELECT LENGTH(a), a FROM t1;
LENGTH(a)	a
4	aaaa
DROP TABLE t1;
# VARCHAR1, 8bit, no truncation
CREATE TABLE t1 (a VARCHAR(250) COMPRESSED CHARACTER SET latin1);
INSERT INTO t1 VALUES (f1(6,6));
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
LENGTH(a)	LEFT(a,30)	RIGHT(a,30)
197	x 0 0 0 1 0 2 0 3 0 4 0 5 0 6 	 6 6 0 6 1 6 2 6 3 6 4 6 5 6 6
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(254) COMPRESSED CHARACTER SET latin1;
SHOW STATUS LIKE 'Column%compressions';
Variable_name	Value
Column_compressions	0
Column_decompressions	0
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
LENGTH(a)	LEFT(a,30)	RIGHT(a,30)
197	x 0 0 0 1 0 2 0 3 0 4 0 5 0 6 	 6 6 0 6 1 6 2 6 3 6 4 6 5 6 6
DROP TABLE t1;
# VARCHAR2, 8bit, truncation
CREATE TABLE t1 (a VARCHAR(32000) COMPRESSED CHARACTER SET latin1);
INSERT INTO t1 VALUES (f1(31,31));
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
LENGTH(a)	LEFT(a,30)	RIGHT(a,30)
5505	x 0 0 0 1 0 2 0 3 0 4 0 5 0 6 	 31 27 31 28 31 29 31 30 31 31
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(256) COMPRESSED CHARACTER SET latin1;
Warnings:
Warning	1265	Data truncated for column 'a' at row 1
SHOW STATUS LIKE 'Column%compressions';
Variable_name	Value
Column_compressions	1
Column_decompressions	1
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
LENGTH(a)	LEFT(a,30)	RIGHT(a,30)
256	x 0 0 0 1 0 2 0 3 0 4 0 5 0 6 	 1 17 1 18 1 19 1 20 1 21 1 22
DROP TABLE t1;
# VARCHAR2, 8bit, no truncation
CREATE TABLE t1 (a VARCHAR(32000) COMPRESSED CHARACTER SET latin1);
INSERT INTO t1 VALUES (f1(31,31));
SELECT LENGTH(a), LEFT(a,30), RIGHT(a, 30) FROM t1;
LENGTH(a)	LEFT(a,30)	RIGHT(a, 30)
5505	x 0 0 0 1 0 2 0 3 0 4 0 5 0 6 	 31 27 31 28 31 29 31 30 31 31
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(32001) COMPRESSED CHARACTER SET latin1;
SHOW STATUS LIKE 'Column%compressions';
Variable_name	Value
Column_compressions	0
Column_decompressions	0
SELECT LENGTH(a), LEFT(a,30), RIGHT(a, 30) FROM t1;
LENGTH(a)	LEFT(a,30)	RIGHT(a, 30)
5505	x 0 0 0 1 0 2 0 3 0 4 0 5 0 6 	 31 27 31 28 31 29 31 30 31 31
DROP TABLE t1;
# VARCHAR1, multi-byte, truncation
CREATE TABLE t1 (a VARCHAR(80) COMPRESSED CHARACTER SET utf8mb3);
INSERT INTO t1 VALUES (f1(3,3));
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
LENGTH(a)	LEFT(a,30)	RIGHT(a,30)
65	x 0 0 0 1 0 2 0 3 1 0 1 1 1 2 	 0 2 1 2 2 2 3 3 0 3 1 3 2 3 3
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(1) COMPRESSED CHARACTER SET utf8mb3;
Warnings:
Warning	1265	Data truncated for column 'a' at row 1
SHOW STATUS LIKE 'Column%compressions';
Variable_name	Value
Column_compressions	0
Column_decompressions	1
SELECT LENGTH(a), a FROM t1;
LENGTH(a)	a
1	x
DROP TABLE t1;
# VARCHAR1, multi-byte, no truncation
CREATE TABLE t1 (a VARCHAR(80) COMPRESSED CHARACTER SET utf8mb3);
INSERT INTO t1 VALUES (f1(3,3));
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
LENGTH(a)	LEFT(a,30)	RIGHT(a,30)
65	x 0 0 0 1 0 2 0 3 1 0 1 1 1 2 	 0 2 1 2 2 2 3 3 0 3 1 3 2 3 3
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(81) COMPRESSED CHARACTER SET utf8mb3;
SHOW STATUS LIKE 'Column%compressions';
Variable_name	Value
Column_compressions	0
Column_decompressions	0
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
LENGTH(a)	LEFT(a,30)	RIGHT(a,30)
65	x 0 0 0 1 0 2 0 3 1 0 1 1 1 2 	 0 2 1 2 2 2 3 3 0 3 1 3 2 3 3
DROP TABLE t1;
# VARCHAR2, multi-byte, truncation
CREATE TABLE t1 (a VARCHAR(10000) COMPRESSED CHARACTER SET utf8mb3);
INSERT INTO t1 VALUES (f1(31,31));
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
LENGTH(a)	LEFT(a,30)	RIGHT(a,30)
5505	x 0 0 0 1 0 2 0 3 0 4 0 5 0 6 	 31 27 31 28 31 29 31 30 31 31
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(256) COMPRESSED CHARACTER SET utf8mb3;
Warnings:
Warning	1265	Data truncated for column 'a' at row 1
SHOW STATUS LIKE 'Column%compressions';
Variable_name	Value
Column_compressions	1
Column_decompressions	1
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
LENGTH(a)	LEFT(a,30)	RIGHT(a,30)
256	x 0 0 0 1 0 2 0 3 0 4 0 5 0 6 	 1 17 1 18 1 19 1 20 1 21 1 22
DROP TABLE t1;
# VARCHAR2, multi-byte, no truncation
CREATE TABLE t1 (a VARCHAR(10000) COMPRESSED CHARACTER SET utf8mb3);
INSERT INTO t1 VALUES (f1(31,31));
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
LENGTH(a)	LEFT(a,30)	RIGHT(a,30)
5505	x 0 0 0 1 0 2 0 3 0 4 0 5 0 6 	 31 27 31 28 31 29 31 30 31 31
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(10001) COMPRESSED CHARACTER SET utf8mb3;
SHOW STATUS LIKE 'Column%compressions';
Variable_name	Value
Column_compressions	0
Column_decompressions	0
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
LENGTH(a)	LEFT(a,30)	RIGHT(a,30)
5505	x 0 0 0 1 0 2 0 3 0 4 0 5 0 6 	 31 27 31 28 31 29 31 30 31 31
DROP TABLE t1;
SET @@column_compression_threshold=DEFAULT;
DROP FUNCTION f1;
#
# MDEV-24797 Column Compression - ERROR 1265 (01000): Data truncated for column
#
CREATE TABLE t1 (a VARCHAR(500) COMPRESSED CHARACTER SET utf8mb3) ENGINE=MyISAM;
INSERT INTO t1 SET a=REPEAT('x',127);
ALTER TABLE t1 FORCE, ALGORITHM=COPY;
DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(500) COMPRESSED CHARACTER SET utf8mb3) ENGINE=InnoDB;
INSERT INTO t1 SET a=REPEAT('x',127);
ALTER TABLE t1 FORCE, ALGORITHM=COPY;
DROP TABLE t1;
#
# End of 10.4 tests
#
#
# MDEV-19727 Add Type_handler::Key_part_spec_init_ft
#
CREATE TABLE t1 (a VARCHAR(1000) COMPRESSED, FULLTEXT INDEX(a));
ERROR HY000: Compressed column 'a' can't be used in key specification
CREATE TABLE t1 (a TEXT COMPRESSED, FULLTEXT INDEX(a));
ERROR HY000: Compressed column 'a' can't be used in key specification
#
# End of 10.5 tests
#