1 files changed, 125 insertions, 0 deletions
diff --git a/mysql-test/main/column_compression.inc b/mysql-test/main/column_compression.inc
new file mode 100644
index 00000000000..89a96ef67ad
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+++ b/mysql-test/main/column_compression.inc
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+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;
+
+--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');
+SELECT DATA_LENGTH 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');
+
+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;