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SET @row_format = @@GLOBAL.innodb_default_row_format;
####################################
# Check if table rebuilding alter isn't affect if table is created
# with explicit row_format
CREATE TABLE t1 (a INT PRIMARY KEY, b TEXT) ROW_FORMAT=COMPACT ENGINE=INNODB;
INSERT INTO t1 VALUES (1, 'abc');
SHOW TABLE STATUS LIKE 't1';
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
t1 InnoDB # Compact # # # # # # NULL # NULL NULL latin1_swedish_ci NULL row_format=COMPACT
SET GLOBAL innodb_default_row_format=DYNAMIC;
ALTER TABLE t1 DROP PRIMARY KEY, ADD COLUMN c INT PRIMARY KEY;
# Here we expect COMPACT because it was explicitly specified at CREATE
SHOW TABLE STATUS LIKE 't1';
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
t1 InnoDB # Compact # # # # # # NULL # NULL NULL latin1_swedish_ci NULL row_format=COMPACT
DROP TABLE t1;
####################################
# Check if table rebuilding alter is affected when there is no
# row_format specified at CREATE TABLE.
SET GLOBAL innodb_default_row_format = COMPACT;
CREATE TABLE t1 (a INT PRIMARY KEY, b TEXT) ENGINE=INNODB;
INSERT INTO t1 VALUES (1, 'abc');
SHOW TABLE STATUS LIKE 't1';
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
t1 InnoDB # Compact # # # # # # NULL # NULL NULL latin1_swedish_ci NULL
SET GLOBAL innodb_default_row_format = DYNAMIC;
ALTER TABLE t1 DROP PRIMARY KEY, ADD COLUMN c INT PRIMARY KEY;
# Here we expect DYNAMIC because there is no explicit ROW_FORMAT and the
# default_row_format is changed to DYNAMIC just before ALTER
SHOW TABLE STATUS LIKE 't1';
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
t1 InnoDB # Dynamic # # # # # # NULL # NULL NULL latin1_swedish_ci NULL
DROP TABLE t1;
####################################
# Check the row_format effect on ALTER, ALGORITHM=COPY
SET GLOBAL innodb_default_row_format = REDUNDANT;
CREATE TABLE t1 (a INT PRIMARY KEY, b TEXT) ENGINE=INNODB;
INSERT INTO t1 VALUES (1, REPEAT('abc',1000));
SHOW TABLE STATUS LIKE 't1';
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
t1 InnoDB # Redundant # # # # # # NULL # NULL NULL latin1_swedish_ci NULL
SET GLOBAL innoDB_default_row_format = COMPACT;
ALTER TABLE t1 ADD COLUMN c2 BLOB, ALGORITHM=COPY;
# Because of ALGORITHM=COPY, there is TABLE REBUILD and the table isn't
# created with explicit row_format, so we expect ROW_FORMAT=COMPACT
SHOW TABLE STATUS LIKE 't1';
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
t1 InnoDB # Compact # # # # # # NULL # NULL NULL latin1_swedish_ci NULL
DROP TABLE t1;
###################################
# Check the row_format effect on ALTER, ALGORITH=COPY on
# create table with explicit row_format
CREATE TABLE t1 (a INT PRIMARY KEY, b TEXT) ROW_FORMAT=REDUNDANT ENGINE=INNODB;
INSERT INTO t1 VALUES (1, REPEAT('abc',1000));
SHOW TABLE STATUS LIKE 't1';
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
t1 InnoDB # Redundant # # # # # # NULL # NULL NULL latin1_swedish_ci NULL row_format=REDUNDANT
SET GLOBAL innoDB_default_row_format = COMPACT;
ALTER TABLE t1 ADD COLUMN c2 BLOB, ALGORITHM=COPY;
# Because of ALGORITHM=COPY, there is TABLE REBUILD and the table is
# created with explicit row_format, so we expect original
# ROW_FORMAT=REDUNDANT
SHOW TABLE STATUS LIKE 't1';
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
t1 InnoDB # Redundant # # # # # # NULL # NULL NULL latin1_swedish_ci NULL row_format=REDUNDANT
DROP TABLE t1;
##################################
# Check row_format on ALTER ALGORITHM=INPLACE
SET GLOBAL innodb_default_row_format=COMPACT;
CREATE TABLE t1 (a INT PRIMARY KEY, b TEXT, KEY k1(b(10))) ENGINE=INNODB;
INSERT INTO t1 VALUES (1, REPEAT('abc',1000));
SHOW TABLE STATUS LIKE 't1';
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
t1 InnoDB # Compact # # # # # # NULL # NULL NULL latin1_swedish_ci NULL
SET GLOBAL innodb_default_row_format=DYNAMIC;
ALTER TABLE t1 DROP INDEX k1;
# Because it is in-place operation, there is no rebuild, so the
# original format has to be retained.
SHOW TABLE STATUS LIKE 't1';
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
t1 InnoDB # Compact # # # # # # NULL # NULL NULL latin1_swedish_ci NULL
DROP TABLE t1;
SET GLOBAL innodb_default_row_format = @row_format;
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