path: root/mysql-test/main/column_compression.test

--source include/have_innodb.inc
--source include/have_csv.inc
--source include/have_normal_zlib.inc

let $MYSQLD_DATADIR= `select @@datadir`;

SET column_compression_zlib_wrap=true;
let $typec= BLOB COMPRESSED;
let $typeu= BLOB;
--source column_compression.inc

let $typec= TEXT COMPRESSED;
let $typeu= TEXT;
--source column_compression.inc

let $typec= VARBINARY(10000) COMPRESSED;
let $typeu= VARBINARY(10000);
--source column_compression.inc

let $typec= VARCHAR(10000) COMPRESSED;
let $typeu= VARCHAR(10000);
--source column_compression.inc

let $typec= TEXT COMPRESSED CHARSET ucs2;
let $typeu= TEXT;
--source column_compression.inc

SET column_compression_zlib_wrap=DEFAULT;
let $typec= BLOB COMPRESSED;
let $typeu= BLOB;
--source column_compression.inc

--enable_prepare_warnings
--error ER_PARSE_ERROR
CREATE TABLE t1(a CHAR(100) COMPRESSED);
--error ER_WRONG_FIELD_SPEC
CREATE TABLE t1(a CHAR(100) NOT NULL COMPRESSED);
--error ER_PARSE_ERROR
CREATE TABLE t1(a INT COMPRESSED);
--error ER_UNKNOWN_COMPRESSION_METHOD
CREATE TABLE t1(a BLOB COMPRESSED=unknown);
--error ER_PARSE_ERROR
CREATE TABLE t1(a BLOB COMPRESSED COMPRESSED);
CREATE TABLE t1(a INT);
--error ER_PARSE_ERROR
ALTER TABLE t1 MODIFY a INT COMPRESSED;
--error ER_WRONG_FIELD_SPEC
ALTER TABLE t1 MODIFY a INT NOT NULL COMPRESSED;
DROP TABLE t1;

--echo # Test CSV
CREATE TABLE t1(a BLOB COMPRESSED NOT NULL) ENGINE=CSV;
INSERT INTO t1 VALUES(REPEAT('a', 110));
SELECT LENGTH(a) FROM t1;
ALTER TABLE t1 ENGINE=MyISAM;
SELECT LENGTH(a) FROM t1;
ALTER TABLE t1 ENGINE=CSV;
SELECT LENGTH(a) FROM t1;
SHOW CREATE TABLE t1;
--cat_file $MYSQLD_DATADIR/test/t1.CSV
DROP TABLE t1;

--echo # Test fields that don't fit data
CREATE TABLE t1(a VARCHAR(9) COMPRESSED);
--error ER_DATA_TOO_LONG
INSERT INTO t1 VALUES(REPEAT('a', 10));
INSERT INTO t1 VALUES(REPEAT(' ', 10));
SELECT a, LENGTH(a) FROM t1;
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));
--error ER_DATA_TOO_LONG
INSERT INTO t1 VALUES(REPEAT('a', 255));
INSERT INTO t1 VALUES(REPEAT(' ', 255));
--error ER_DATA_TOO_LONG
INSERT INTO t1 VALUES(REPEAT('a', 256));
INSERT INTO t1 VALUES(REPEAT(' ', 256));
--error ER_DATA_TOO_LONG
INSERT INTO t1 VALUES(REPEAT('a', 257));
INSERT INTO t1 VALUES(REPEAT(' ', 257));
SET column_compression_threshold=DEFAULT;
SELECT LEFT(a, 10), LENGTH(a) FROM t1 ORDER BY 1;
DROP TABLE t1;

--echo # Corner case: VARCHAR(255) COMPRESSED must have 2 bytes pack length
CREATE TABLE t1(a VARCHAR(255) COMPRESSED);
SHOW CREATE TABLE t1;
SET column_compression_threshold=300;
INSERT INTO t1 VALUES(REPEAT('a', 255));
SET column_compression_threshold=DEFAULT;
SELECT a, LENGTH(a) FROM t1;
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));
--error ER_DATA_TOO_LONG
INSERT INTO t1 VALUES(REPEAT('a', 65532));
INSERT INTO t1 VALUES(REPEAT(' ', 65532));
--error ER_DATA_TOO_LONG
INSERT INTO t1 VALUES(REPEAT('a', 65533));
INSERT INTO t1 VALUES(REPEAT(' ', 65533));
SET column_compression_threshold=DEFAULT;
SELECT LEFT(a, 10), LENGTH(a) FROM t1 ORDER BY 1, 2;
DROP TABLE t1;


--echo #
--echo # MDEV-14929 - AddressSanitizer: memcpy-param-overlap in
--echo #              Field_longstr::compress
--echo #
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;
SET SESSION optimizer_switch=DEFAULT;
DROP TABLE t1;


--echo #
--echo # MDEV-15762 - VARCHAR(0) COMPRESSED crashes the server
--echo #
CREATE TABLE t1(a VARCHAR(0) COMPRESSED);
--error ER_DATA_TOO_LONG
INSERT INTO t1 VALUES('a');
INSERT INTO t1 VALUES(' ');
SELECT LENGTH(a) FROM t1;
DROP TABLE t1;


--echo #
--echo # MDEV-15763 - VARCHAR(1) COMPRESSED crashes the server
--echo #
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;


--echo #
--echo # MDEV-15938 - TINYTEXT CHARACTER SET utf8 COMPRESSED truncates data
--echo #
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;
DROP TABLE t1;


--echo #
--echo # MDEV-16134 Wrong I_S.COLUMNS.CHARACTER_XXX_LENGTH value for compressed columns
--echo #

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;
DROP TABLE t1;


--echo #
--echo # MDEV-15592 - Column COMPRESSED should select a 'high order' datatype
--echo #
CREATE TABLE t1(a TINYTEXT COMPRESSED);
INSERT INTO t1 VALUES(REPEAT('a', 255));
SELECT LEFT(a, 10), LENGTH(a) FROM t1;
DROP TABLE t1;


--echo #
--echo # MDEV-16729 VARCHAR COMPRESSED is created with a wrong length for multi-byte character sets
--echo #

CREATE OR REPLACE TABLE t1 (a VARCHAR(1000) COMPRESSED CHARACTER SET utf8);
SHOW CREATE TABLE t1;
SELECT COLUMN_TYPE FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
DROP TABLE t1;


--echo #
--echo # MDEV-17363 - Compressed columns cannot be restored from dump
--echo #
--error ER_WRONG_FIELD_SPEC
CREATE TABLE t1(a INT NOT NULL COMPRESSED);
SHOW WARNINGS;

CREATE TABLE t1(
  a JSON COMPRESSED,
  b VARCHAR(1000) COMPRESSED BINARY,
  c NVARCHAR(1000) COMPRESSED BINARY,
  d TINYTEXT COMPRESSED BINARY
);
SHOW CREATE TABLE t1;
DROP TABLE t1;


--echo #
--echo # VARCHAR and TEXT variants
--echo #

--let type=VARCHAR(10)
--source include/column_compression_syntax_varchar.inc

--let type=TINYTEXT
--source include/column_compression_syntax_varchar.inc

--let type=TEXT
--source include/column_compression_syntax_varchar.inc

--let type=MEDIUMTEXT
--source include/column_compression_syntax_varchar.inc

--let type=LONGTEXT
--source include/column_compression_syntax_varchar.inc


--echo #
--echo # VARBINARY and BLOB variables
--echo #

--let type=VARCHAR(10)
--source include/column_compression_syntax_varbinary.inc

--let type=TINYBLOB
--source include/column_compression_syntax_varbinary.inc

--let type=BLOB
--source include/column_compression_syntax_varbinary.inc

--let type=MEDIUMBLOB
--source include/column_compression_syntax_varbinary.inc

--let type=LONGBLOB
--source include/column_compression_syntax_varbinary.inc


--echo #
--echo # NVARCHAR
--echo #

CREATE TABLE t1 (a NVARCHAR(10) COMPRESSED);
SHOW CREATE TABLE t1;
DROP TABLE t1;
--error ER_PARSE_ERROR
CREATE TABLE t1 (a NVARCHAR(10) COMPRESSED BINARY COMPRESSED);
--error ER_PARSE_ERROR
CREATE TABLE t1 (a NVARCHAR(10) COMPRESSED DEFAULT '' COMPRESSED);

--echo #
--echo # MDEV-21348 - Memory leak in Storage-Engine Independent Column
--echo #              Compression
--echo #
CREATE TABLE t1(a BLOB COMPRESSED);
SET column_compression_threshold=0;
INSERT INTO t1 VALUES('aa');
SET column_compression_threshold=DEFAULT;
DROP TABLE t1;


--echo #
--echo # MDEV-31724 Compressed varchar values lost on joins when sorting on columns from joined table(s)
--echo #

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;
SELECT txt, v.* FROM t1 LEFT JOIN t2 v ON t1.id = v.id ORDER BY v.n1;
SELECT txt, v.* FROM t1 JOIN t2 v ON t1.id = v.id;
SELECT txt, v.* FROM t1 JOIN t2 v ON t1.id = v.id ORDER BY v.n1;

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));

--replace_column 2 <sysdate>
--sorted_result
SELECT txt, sysdate(6) FROM t1 ORDER BY 2;
DROP TABLE t1;


DELIMITER $$;
CREATE FUNCTION f1(imax INT, jmax INT) RETURNS TEXT
BEGIN
  DECLARE res TEXT DEFAULT 'x';
  FOR i IN 0..imax
  DO
    FOR j IN 0..jmax
    DO
      SET res=CONCAT(res, ' ', i, ' ', j);
    END FOR;
  END FOR;
  RETURN res;
END;
$$
DELIMITER ;$$


# Let's override the default threshold (100) to force
# comression for VARCHAR1+MB, for example, for:
# VARCHAR(80) CHARACTER SET utf8mb3

SET @@column_compression_threshold=32;

--echo # 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;
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(4) COMPRESSED CHARACTER SET latin1;
SHOW STATUS LIKE 'Column%compressions';
SELECT LENGTH(a), a FROM t1;
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;
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(4) COMPRESSED CHARACTER SET latin1;
SHOW STATUS LIKE 'Column%compressions';
SELECT LENGTH(a), a FROM t1;
DROP TABLE t1;

--echo # 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;
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(254) COMPRESSED CHARACTER SET latin1;
SHOW STATUS LIKE 'Column%compressions';
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
DROP TABLE t1;

--echo # 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;
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(256) COMPRESSED CHARACTER SET latin1;
SHOW STATUS LIKE 'Column%compressions';
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
DROP TABLE t1;

--echo # 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;
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(32001) COMPRESSED CHARACTER SET latin1;
SHOW STATUS LIKE 'Column%compressions';
SELECT LENGTH(a), LEFT(a,30), RIGHT(a, 30) FROM t1;
DROP TABLE t1;

--echo # 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;
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(1) COMPRESSED CHARACTER SET utf8mb3;
SHOW STATUS LIKE 'Column%compressions';
SELECT LENGTH(a), a FROM t1;
DROP TABLE t1;

--echo # 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;
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(81) COMPRESSED CHARACTER SET utf8mb3;
SHOW STATUS LIKE 'Column%compressions';
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
DROP TABLE t1;

--echo # 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;
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(256) COMPRESSED CHARACTER SET utf8mb3;
SHOW STATUS LIKE 'Column%compressions';
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
DROP TABLE t1;

--echo # 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;
FLUSH STATUS;
ALTER IGNORE TABLE t1 MODIFY a VARCHAR(10001) COMPRESSED CHARACTER SET utf8mb3;
SHOW STATUS LIKE 'Column%compressions';
SELECT LENGTH(a), LEFT(a,30), RIGHT(a,30) FROM t1;
DROP TABLE t1;

SET @@column_compression_threshold=DEFAULT;

DROP FUNCTION f1;

--echo #
--echo # MDEV-24797 Column Compression - ERROR 1265 (01000): Data truncated for column
--echo #

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;


--echo #
--echo # End of 10.4 tests
--echo #

--echo #
--echo # MDEV-19727 Add Type_handler::Key_part_spec_init_ft
--echo #

#
# Indexes on COMPRESSED columns are generally prohibited, so we don't have
# to override Type_handler_xxx_compressed::Key_part_spec_init_ft().
# Note, we could support FULLTEXT indexes on compressed columns eventually.
#

--error ER_COMPRESSED_COLUMN_USED_AS_KEY
CREATE TABLE t1 (a VARCHAR(1000) COMPRESSED, FULLTEXT INDEX(a));

--error ER_COMPRESSED_COLUMN_USED_AS_KEY
CREATE TABLE t1 (a TEXT COMPRESSED, FULLTEXT INDEX(a));

--disable_prepare_warnings
--echo #
--echo # End of 10.5 tests
--echo #