SET @row_format = @@GLOBAL.innodb_default_row_format;
SET @large_prefix = @@GLOBAL.innodb_large_prefix;
SET @file_format = @@GLOBAL.innodb_file_format;
SET GLOBAL innodb_file_format = barracuda;
Warnings:
Warning	131	Using innodb_file_format is deprecated and the parameter may be removed in future releases. See https://mariadb.com/kb/en/library/xtradbinnodb-file-format/
# ###########################################################
# Check with Import/Export tablespace with Default_row_format
SET GLOBAL innodb_default_row_format=Compact;
SELECT @@innodb_default_row_format;
@@innodb_default_row_format
compact
SELECT @@innodb_file_per_table;
@@innodb_file_per_table
1
CREATE TABLE tab(a INT) ENGINE=InnoDB;
SHOW TABLE STATUS LIKE 'tab';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
tab	InnoDB	#	Compact	#	#	#	#	#	#	NULL	#	NULL	NULL	latin1_swedish_ci	NULL		
INSERT INTO tab VALUES(1);
INSERT INTO tab VALUES(2);
SELECT * FROM tab;
a
1
2
FLUSH TABLE tab FOR EXPORT;
UNLOCK TABLES;
DROP TABLE tab;
SET GLOBAL innodb_default_row_format=Dynamic;
CREATE TABLE tab(a INT) ENGINE=InnoDB;
ALTER TABLE tab DISCARD TABLESPACE;
ALTER TABLE tab IMPORT TABLESPACE;
ERROR HY000: Schema mismatch (Table flags don't match, server table has 0x21 and the meta-data file has 0x1; .cfg file uses ROW_FORMAT=COMPACT)
DROP TABLE tab;
SET GLOBAL innodb_default_row_format=Compact;
SELECT @@innodb_default_row_format;
@@innodb_default_row_format
compact
CREATE TABLE tab(a INT) ENGINE=InnoDB;
SHOW TABLE STATUS LIKE 'tab';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
tab	InnoDB	#	Compact	#	#	#	#	#	#	NULL	#	NULL	NULL	latin1_swedish_ci	NULL		
ALTER TABLE tab DISCARD TABLESPACE;
call mtr.add_suppression("InnoDB: Tried to read .* bytes at offset 0");
ALTER TABLE tab IMPORT TABLESPACE;
ERROR HY000: Internal error: Cannot reset LSNs in table `test`.`tab` : I/O error
ALTER TABLE tab IMPORT TABLESPACE;
SELECT * FROM tab;
a
1
2
DROP TABLE tab;
# ###########################################################
SET GLOBAL innodb_default_row_format=Dynamic;
SET GLOBAL innodb_large_prefix=ON;
Warnings:
Warning	131	Using innodb_large_prefix is deprecated and the parameter may be removed in future releases. See https://mariadb.com/kb/en/library/xtradbinnodb-file-format/
SELECT @@innodb_default_row_format;
@@innodb_default_row_format
dynamic
CREATE TABLE tab(a INT PRIMARY KEY, b VARCHAR(5000), KEY idx1(b(3070))) ENGINE= InnoDB;
SHOW TABLE STATUS LIKE 'tab';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
tab	InnoDB	#	Dynamic	#	#	#	#	#	#	NULL	#	NULL	NULL	latin1_swedish_ci	NULL		
INSERT INTO tab(a,b) VALUES(1,'Check with max column size');
SELECT * FROM tab;
a	b
1	Check with max column size
SET GLOBAL innodb_default_row_format=COMPACT;
ALTER TABLE tab ROW_FORMAT=COMPACT;
ERROR HY000: Index column size too large. The maximum column size is 767 bytes
DROP TABLE tab;
SET GLOBAL innodb_default_row_format=Default;
SELECT @@innodb_default_row_format;
@@innodb_default_row_format
dynamic
SET GLOBAL innodb_default_row_format=Dynamic;
SELECT @@innodb_default_row_format;
@@innodb_default_row_format
dynamic
CREATE TABLE tab(a INT PRIMARY KEY, b VARCHAR(5000), KEY idx1(b(767))) ENGINE= InnoDB;
SHOW TABLE STATUS LIKE 'tab';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
tab	InnoDB	#	Dynamic	#	#	#	#	#	#	NULL	#	NULL	NULL	latin1_swedish_ci	NULL		
INSERT INTO tab(a,b) VALUES(1,'Check with max column size');
SELECT * FROM tab;
a	b
1	Check with max column size
ALTER TABLE tab ROW_FORMAT=COMPACT;
SHOW TABLE STATUS LIKE 'tab';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
tab	InnoDB	#	Compact	#	#	#	#	#	#	NULL	#	NULL	NULL	latin1_swedish_ci	NULL	row_format=COMPACT	
SELECT * FROM tab;
a	b
1	Check with max column size
ALTER TABLE tab ROW_FORMAT=COMPRESSED;
SELECT * FROM tab;
a	b
1	Check with max column size
ALTER TABLE tab ROW_FORMAT=Dynamic;
SHOW TABLE STATUS LIKE 'tab';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
tab	InnoDB	#	Dynamic	#	#	#	#	#	#	NULL	#	NULL	NULL	latin1_swedish_ci	NULL	row_format=DYNAMIC	
DROP TABLE tab;
SET GLOBAL innodb_default_row_format =  @row_format;
SET GLOBAL innodb_large_prefix = @large_prefix;
Warnings:
Warning	131	Using innodb_large_prefix is deprecated and the parameter may be removed in future releases. See https://mariadb.com/kb/en/library/xtradbinnodb-file-format/
SET GLOBAL innodb_file_format = @file_format;
Warnings:
Warning	131	Using innodb_file_format is deprecated and the parameter may be removed in future releases. See https://mariadb.com/kb/en/library/xtradbinnodb-file-format/