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Diffstat (limited to 'mysql-test/main/column_compression.inc')
-rw-r--r-- | mysql-test/main/column_compression.inc | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/mysql-test/main/column_compression.inc b/mysql-test/main/column_compression.inc new file mode 100644 index 00000000..27e5fc70 --- /dev/null +++ b/mysql-test/main/column_compression.inc @@ -0,0 +1,130 @@ +FLUSH STATUS; + +--error ER_COMPRESSED_COLUMN_USED_AS_KEY +eval CREATE TABLE t1(a $typec, KEY(a(10))); + +eval CREATE TABLE t1(a $typec); +--error ER_COMPRESSED_COLUMN_USED_AS_KEY +ALTER TABLE t1 ADD KEY(a(10)); +SHOW CREATE TABLE t1; + +--disable_ps2_protocol + +--echo # Make sure column was actually compressed +INSERT INTO t1 VALUES(REPEAT('a', 1000)); +SELECT LEFT(a, 10), LENGTH(a) FROM t1; +SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions'); +SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1'; + +--echo # Make sure ALTER TABLE rebuilds table +eval ALTER TABLE t1 MODIFY COLUMN a $typeu; +SHOW CREATE TABLE t1; +SELECT LEFT(a, 10), LENGTH(a) FROM t1; +SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions'); +SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1'; + +--echo # Rebuild back +eval ALTER TABLE t1 MODIFY COLUMN a $typec; +SHOW CREATE TABLE t1; +SELECT LEFT(a, 10), LENGTH(a) FROM t1; +SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions'); +SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1'; + +--echo # Make sure CREATE TABLE ... LIKE inherits compression +CREATE TABLE t2 LIKE t1; +SHOW CREATE TABLE t2; +DROP TABLE t2; + +--echo # Make sure implicit CREATE TABLE ... SELECT inherits compression +CREATE TABLE t2 SELECT * FROM t1; +SHOW CREATE TABLE t2; +SELECT LEFT(a, 10), LENGTH(a) FROM t2; +SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions'); +SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2'; +DROP TABLE t2; + +--echo # Make sure explicit CREATE TABLE ... SELECT doesn't inherit compression +eval CREATE TABLE t2(a $typeu) SELECT * FROM t1; +SHOW CREATE TABLE t2; +SELECT LEFT(a, 10), LENGTH(a) FROM t2; +SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions'); +SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t2'; +DROP TABLE t2; + +--echo # Make sure engine change works +ALTER TABLE t1 ENGINE=InnoDB; +SHOW CREATE TABLE t1; +SELECT LEFT(a, 10), LENGTH(a) FROM t1; +SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions'); + +--echo # Make sure online add column works (requires InnoDB) +eval ALTER TABLE t1 ADD COLUMN b $typec DEFAULT "must be visible"; +SELECT LEFT(a, 10), LENGTH(a), b FROM t1; +SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions'); +ALTER TABLE t1 DROP COLUMN b; + +ALTER TABLE t1 ENGINE=MyISAM; +TRUNCATE TABLE t1; + +--echo # 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'); +# This is is using < as DATA_LENGTH produces different results on s390x-ubuntu-2004 +SELECT DATA_LENGTH < 100 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1'; +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'); +SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1'; + +SET column_compression_zlib_level= DEFAULT; +TRUNCATE TABLE t1; + +--echo # No compression, original data shorter than compressed +INSERT INTO t1 VALUES('a'); +SELECT a, LENGTH(a) FROM t1; +SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions'); +SELECT DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1'; + +--echo # Coverage for store(double) and store(longlong) +INSERT INTO t1 VALUES(3.14),(CAST(9.8 AS DOUBLE)),(1),(''),(NULL); +--echo # and for sort_string() +SELECT * FROM t1 ORDER BY a; + +--echo # Coverage for val_real() and val_int() +SELECT a+1 FROM t1 ORDER BY 1; +SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME IN('Column_compressions', 'Column_decompressions'); + +--enable_ps2_protocol + +DROP TABLE t1; + +--echo # +--echo # MDEV-13540 - Server crashes in copy or Assertion `0' failed in virtual +--echo # Field* Field_varstring_compressed::new_key_field +--echo # +eval CREATE TABLE t1 (c1 $typec) ENGINE=MyISAM; +INSERT IGNORE INTO t1 VALUES ('foo'),('bar'); + +eval CREATE TABLE t2 (c2 $typec) ENGINE=MyISAM; # Compression is optional +INSERT IGNORE INTO t2 VALUES ('qux'),('abc'); # Optional + +SELECT * FROM t1 WHERE c1 NOT IN ( SELECT c2 FROM t2 WHERE c2 = c1 ); + +# Cleanup +DROP TABLE t1, t2; + + +--echo # +--echo # MDEV-13541 - Server crashes in next_breadth_first_tab or Assertion `0' +--echo # failed in Field_varstring_compressed::new_key_field +--echo # +eval CREATE TABLE t1 (c $typec) ENGINE=InnoDB; +INSERT INTO t1 VALUES ('foo'),('bar'); + +SELECT DISTINCT c FROM t1; + +# Cleanup +DROP TABLE t1; |