mirror of
https://github.com/MariaDB/server.git
synced 2025-01-18 04:53:01 +01:00
1363 lines
46 KiB
Text
1363 lines
46 KiB
Text
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SET column_compression_zlib_wrap=true;
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FLUSH STATUS;
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CREATE TABLE t1(a BLOB COMPRESSED, KEY(a(10)));
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ERROR HY000: Compressed column 'a' can't be used in key specification
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CREATE TABLE t1(a BLOB COMPRESSED);
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ALTER TABLE t1 ADD KEY(a(10));
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ERROR HY000: Compressed column 'a' can't be used in key specification
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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# Make sure column was actually compressed
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INSERT INTO t1 VALUES(REPEAT('a', 1000));
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SELECT LEFT(a, 10), LENGTH(a) FROM t1;
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LEFT(a, 10) LENGTH(a)
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aaaaaaaaaa 1000
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SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
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VARIABLE_NAME VARIABLE_VALUE
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COLUMN_COMPRESSIONS 1
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COLUMN_DECOMPRESSIONS 2
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SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
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DATA_LENGTH
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28
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# Make sure ALTER TABLE rebuilds table
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ALTER TABLE t1 MODIFY COLUMN a BLOB;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` blob DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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SELECT LEFT(a, 10), LENGTH(a) FROM t1;
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LEFT(a, 10) LENGTH(a)
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aaaaaaaaaa 1000
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SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
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VARIABLE_NAME VARIABLE_VALUE
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COLUMN_COMPRESSIONS 1
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COLUMN_DECOMPRESSIONS 3
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SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
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DATA_LENGTH
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1008
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# Rebuild back
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ALTER TABLE t1 MODIFY COLUMN a BLOB COMPRESSED;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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SELECT LEFT(a, 10), LENGTH(a) FROM t1;
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LEFT(a, 10) LENGTH(a)
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aaaaaaaaaa 1000
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SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
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VARIABLE_NAME VARIABLE_VALUE
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COLUMN_COMPRESSIONS 2
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COLUMN_DECOMPRESSIONS 5
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SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
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DATA_LENGTH
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28
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# Make sure CREATE TABLE ... LIKE inherits compression
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CREATE TABLE t2 LIKE t1;
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SHOW CREATE TABLE t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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DROP TABLE t2;
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# Make sure implicit CREATE TABLE ... SELECT inherits compression
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CREATE TABLE t2 SELECT * FROM t1;
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SHOW CREATE TABLE t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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SELECT LEFT(a, 10), LENGTH(a) FROM t2;
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LEFT(a, 10) LENGTH(a)
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aaaaaaaaaa 1000
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SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
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VARIABLE_NAME VARIABLE_VALUE
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COLUMN_COMPRESSIONS 2
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COLUMN_DECOMPRESSIONS 7
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SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
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DATA_LENGTH
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28
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DROP TABLE t2;
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# Make sure explicit CREATE TABLE ... SELECT doesn't inherit compression
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CREATE TABLE t2(a BLOB) SELECT * FROM t1;
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SHOW CREATE TABLE t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`a` blob DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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SELECT LEFT(a, 10), LENGTH(a) FROM t2;
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LEFT(a, 10) LENGTH(a)
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aaaaaaaaaa 1000
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SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
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VARIABLE_NAME VARIABLE_VALUE
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COLUMN_COMPRESSIONS 2
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COLUMN_DECOMPRESSIONS 8
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SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2';
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DATA_LENGTH
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1008
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DROP TABLE t2;
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# Make sure engine change works
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ALTER TABLE t1 ENGINE=InnoDB;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` blob /*!100301 COMPRESSED*/ DEFAULT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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SELECT LEFT(a, 10), LENGTH(a) FROM t1;
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LEFT(a, 10) LENGTH(a)
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aaaaaaaaaa 1000
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SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
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VARIABLE_NAME VARIABLE_VALUE
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COLUMN_COMPRESSIONS 2
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COLUMN_DECOMPRESSIONS 10
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# Make sure online add column works (requires InnoDB)
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ALTER TABLE t1 ADD COLUMN b BLOB COMPRESSED DEFAULT "must be visible";
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SELECT LEFT(a, 10), LENGTH(a), b FROM t1;
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LEFT(a, 10) LENGTH(a) b
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aaaaaaaaaa 1000 must be visible
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SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
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VARIABLE_NAME VARIABLE_VALUE
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COLUMN_COMPRESSIONS 2
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COLUMN_DECOMPRESSIONS 12
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ALTER TABLE t1 DROP COLUMN b;
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ALTER TABLE t1 ENGINE=MyISAM;
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TRUNCATE TABLE t1;
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# Make sure column_compression_zlib_level works
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SET column_compression_zlib_level= 1;
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INSERT INTO t1 VALUES(REPEAT('ab', 1000));
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SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
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VARIABLE_NAME VARIABLE_VALUE
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COLUMN_COMPRESSIONS 3
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COLUMN_DECOMPRESSIONS 12
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SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
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DATA_LENGTH
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40
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TRUNCATE TABLE t1;
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SET column_compression_zlib_level= 9;
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INSERT INTO t1 VALUES(REPEAT('ab', 1000));
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SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
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VARIABLE_NAME VARIABLE_VALUE
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COLUMN_COMPRESSIONS 4
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COLUMN_DECOMPRESSIONS 12
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SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
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DATA_LENGTH
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36
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SET column_compression_zlib_level= DEFAULT;
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TRUNCATE TABLE t1;
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# No compression, original data shorter than compressed
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INSERT INTO t1 VALUES('a');
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SELECT a, LENGTH(a) FROM t1;
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a LENGTH(a)
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a 1
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SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
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VARIABLE_NAME VARIABLE_VALUE
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COLUMN_COMPRESSIONS 4
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COLUMN_DECOMPRESSIONS 12
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SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
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DATA_LENGTH
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20
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# Coverage for store(double) and store(longlong)
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INSERT INTO t1 VALUES(3.14),(CAST(9.8 AS DOUBLE)),(1),(''),(NULL);
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# and for sort_string()
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SELECT * FROM t1 ORDER BY a;
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a
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NULL
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1
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3.14
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9.8
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a
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# Coverage for val_real() and val_int()
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SELECT a+1 FROM t1 ORDER BY 1;
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a+1
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NULL
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1
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1
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2
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4.140000000000001
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10.8
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Warnings:
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Warning 1292 Truncated incorrect DOUBLE value: 'a'
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Warning 1292 Truncated incorrect DOUBLE value: ''
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Warning 1292 Truncated incorrect DOUBLE value: 'a'
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Warning 1292 Truncated incorrect DOUBLE value: ''
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SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
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VARIABLE_NAME VARIABLE_VALUE
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COLUMN_COMPRESSIONS 4
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COLUMN_DECOMPRESSIONS 12
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DROP TABLE t1;
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#
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# MDEV-13540 - Server crashes in copy or Assertion `0' failed in virtual
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# Field* Field_varstring_compressed::new_key_field
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#
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CREATE TABLE t1 (c1 BLOB COMPRESSED) ENGINE=MyISAM;
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INSERT IGNORE INTO t1 VALUES ('foo'),('bar');
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CREATE TABLE t2 (c2 BLOB COMPRESSED) ENGINE=MyISAM;
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INSERT IGNORE INTO t2 VALUES ('qux'),('abc');
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SELECT * FROM t1 WHERE c1 NOT IN ( SELECT c2 FROM t2 WHERE c2 = c1 );
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c1
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foo
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bar
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DROP TABLE t1, t2;
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#
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# MDEV-13541 - Server crashes in next_breadth_first_tab or Assertion `0'
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# failed in Field_varstring_compressed::new_key_field
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#
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CREATE TABLE t1 (c BLOB COMPRESSED) ENGINE=InnoDB;
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INSERT INTO t1 VALUES ('foo'),('bar');
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SELECT DISTINCT c FROM t1;
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c
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foo
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bar
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DROP TABLE t1;
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FLUSH STATUS;
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CREATE TABLE t1(a TEXT COMPRESSED, KEY(a(10)));
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ERROR HY000: Compressed column 'a' can't be used in key specification
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CREATE TABLE t1(a TEXT COMPRESSED);
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ALTER TABLE t1 ADD KEY(a(10));
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ERROR HY000: Compressed column 'a' can't be used in key specification
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` text /*!100301 COMPRESSED*/ DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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# Make sure column was actually compressed
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INSERT INTO t1 VALUES(REPEAT('a', 1000));
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SELECT LEFT(a, 10), LENGTH(a) FROM t1;
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LEFT(a, 10) LENGTH(a)
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aaaaaaaaaa 1000
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SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
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VARIABLE_NAME VARIABLE_VALUE
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COLUMN_COMPRESSIONS 1
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COLUMN_DECOMPRESSIONS 2
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|
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SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
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DATA_LENGTH
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28
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# Make sure ALTER TABLE rebuilds table
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ALTER TABLE t1 MODIFY COLUMN a TEXT;
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|
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` text DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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SELECT LEFT(a, 10), LENGTH(a) FROM t1;
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LEFT(a, 10) LENGTH(a)
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aaaaaaaaaa 1000
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SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
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VARIABLE_NAME VARIABLE_VALUE
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COLUMN_COMPRESSIONS 1
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COLUMN_DECOMPRESSIONS 3
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|
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SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
|
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|
|
DATA_LENGTH
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|
|
1008
|
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|
|
# Rebuild back
|
||
|
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ALTER TABLE t1 MODIFY COLUMN a TEXT COMPRESSED;
|
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|
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SHOW CREATE TABLE t1;
|
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|
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Table Create Table
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|
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t1 CREATE TABLE `t1` (
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`a` text /*!100301 COMPRESSED*/ DEFAULT NULL
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|
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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|
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SELECT LEFT(a, 10), LENGTH(a) FROM t1;
|
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|
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LEFT(a, 10) LENGTH(a)
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|
|
aaaaaaaaaa 1000
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|
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SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions');
|
||
|
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VARIABLE_NAME VARIABLE_VALUE
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|
|
COLUMN_COMPRESSIONS 2
|
||
|
|
COLUMN_DECOMPRESSIONS 5
|
||
|
|
SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
|
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|
|
DATA_LENGTH
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|
|
28
|
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|
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# Make sure CREATE TABLE ... LIKE inherits compression
|
||
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CREATE TABLE t2 LIKE t1;
|
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|
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SHOW CREATE TABLE t2;
|
||
|
|
Table Create Table
|
||
|
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t2 CREATE TABLE `t2` (
|
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|
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`a` text /*!100301 COMPRESSED*/ DEFAULT NULL
|
||
|
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
|
||
|
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DROP TABLE t2;
|
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|
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# Make sure implicit CREATE TABLE ... SELECT inherits compression
|
||
|
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CREATE TABLE t2 SELECT * FROM t1;
|
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|
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SHOW CREATE TABLE t2;
|
||
|
|
Table Create Table
|
||
|
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t2 CREATE TABLE `t2` (
|
||
|
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`a` text /*!100301 COMPRESSED*/ DEFAULT NULL
|
||
|
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
|
||
|
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SELECT LEFT(a, 10), LENGTH(a) FROM t2;
|
||
|
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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
|
||
|
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DROP TABLE t2;
|
||
|
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# 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` (
|
||
|
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`a` text DEFAULT NULL
|
||
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1
|
||
|
|
SELECT LEFT(a, 10), LENGTH(a) FROM t2;
|
||
|
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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
|
||
|
|
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 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
|
||
|
|
DATA_LENGTH
|
||
|
|
40
|
||
|
|
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
|
||
|
|
# 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
|
||
|
|
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
|
||
|
|
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
|
||
|
|
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
|
||
|
|
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
|
||
|
|
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
|
||
|
|
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 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
|
||
|
|
DATA_LENGTH
|
||
|
|
40
|
||
|
|
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
|
||
|
|
# 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
|
||
|
|
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
|
||
|
|
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
|
||
|
|
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
|
||
|
|
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
|
||
|
|
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
|
||
|
|
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 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
|
||
|
|
DATA_LENGTH
|
||
|
|
40
|
||
|
|
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 CHARSET ucs2 COMPRESSED, KEY(a(10)));
|
||
|
|
ERROR HY000: Compressed column 'a' can't be used in key specification
|
||
|
|
CREATE TABLE t1(a TEXT CHARSET ucs2 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*/ CHARACTER SET ucs2 DEFAULT NULL
|
||
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1
|
||
|
|
# 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
|
||
|
|
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 CHARSET ucs2 COMPRESSED;
|
||
|
|
SHOW CREATE TABLE t1;
|
||
|
|
Table Create Table
|
||
|
|
t1 CREATE TABLE `t1` (
|
||
|
|
`a` text /*!100301 COMPRESSED*/ CHARACTER SET ucs2 DEFAULT NULL
|
||
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1
|
||
|
|
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 DEFAULT NULL
|
||
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1
|
||
|
|
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 DEFAULT NULL
|
||
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1
|
||
|
|
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
|
||
|
|
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 DEFAULT NULL
|
||
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||
|
|
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 CHARSET ucs2 COMPRESSED 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 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
|
||
|
|
DATA_LENGTH
|
||
|
|
60
|
||
|
|
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 CHARSET ucs2 COMPRESSED) ENGINE=MyISAM;
|
||
|
|
INSERT IGNORE INTO t1 VALUES ('foo'),('bar');
|
||
|
|
CREATE TABLE t2 (c2 TEXT CHARSET ucs2 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 CHARSET ucs2 COMPRESSED) 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
|
||
|
|
# 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
|
||
|
|
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
|
||
|
|
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
|
||
|
|
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
|
||
|
|
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
|
||
|
|
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
|
||
|
|
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 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
|
||
|
|
DATA_LENGTH
|
||
|
|
36
|
||
|
|
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: Incorrect column specifier for column 'a'
|
||
|
|
CREATE TABLE t1(a INT COMPRESSED);
|
||
|
|
ERROR 42000: Incorrect column specifier for column 'a'
|
||
|
|
CREATE TABLE t1(a BLOB COMPRESSED=unknown);
|
||
|
|
ERROR HY000: Unknown compression method: unknown
|
||
|
|
CREATE TABLE t1(a BLOB COMPRESSED COMPRESSED);
|
||
|
|
DROP TABLE t1;
|
||
|
|
CREATE TABLE t1(a INT);
|
||
|
|
ALTER TABLE t1 MODIFY a INT COMPRESSED;
|
||
|
|
ERROR 42000: Incorrect column specifier for column 'a'
|
||
|
|
DROP TABLE t1;
|
||
|
|
# Test CSV
|
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CREATE TABLE t1(a BLOB NOT NULL COMPRESSED) ENGINE=CSV;
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INSERT INTO t1 VALUES(REPEAT('a', 110));
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SELECT LENGTH(a) FROM t1;
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LENGTH(a)
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110
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ALTER TABLE t1 ENGINE=MyISAM;
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SELECT LENGTH(a) FROM t1;
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LENGTH(a)
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110
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ALTER TABLE t1 ENGINE=CSV;
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SELECT LENGTH(a) FROM t1;
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LENGTH(a)
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110
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` blob /*!100301 COMPRESSED*/ NOT NULL DEFAULT ''
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) ENGINE=CSV DEFAULT CHARSET=latin1
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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DROP TABLE t1;
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# Test fields that don't fit data
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CREATE TABLE t1(a VARCHAR(9) COMPRESSED);
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INSERT INTO t1 VALUES(REPEAT('a', 10));
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ERROR 22001: Data too long for column 'a' at row 1
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INSERT INTO t1 VALUES(REPEAT(' ', 10));
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Warnings:
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Note 1265 Data truncated for column 'a' at row 1
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SELECT a, LENGTH(a) FROM t1;
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a LENGTH(a)
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9
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DROP TABLE t1;
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CREATE TABLE t1(a TINYTEXT COMPRESSED);
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SET column_compression_threshold=300;
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INSERT INTO t1 VALUES(REPEAT('a', 255));
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ERROR 22001: Data too long for column 'a' at row 1
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INSERT INTO t1 VALUES(REPEAT(' ', 255));
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Warnings:
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Note 1265 Data truncated for column 'a' at row 1
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SET column_compression_threshold=DEFAULT;
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SELECT a, LENGTH(a) FROM t1;
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a LENGTH(a)
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254
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DROP TABLE t1;
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# Corner case: VARCHAR(255) COMPRESSED must have 2 bytes pack length
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CREATE TABLE t1(a VARCHAR(255) COMPRESSED);
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` varchar(255) /*!100301 COMPRESSED*/ DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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SET column_compression_threshold=300;
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INSERT INTO t1 VALUES(REPEAT('a', 255));
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SET column_compression_threshold=DEFAULT;
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SELECT a, LENGTH(a) FROM t1;
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a LENGTH(a)
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aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 255
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DROP TABLE t1;
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