# Test Bug #54679 alter table causes compressed row_format to revert to compact

--source include/have_innodb.inc

let $file_format=`select @@innodb_file_format`;
let $file_format_max=`select @@innodb_file_format_max`;
let $file_per_table=`select @@innodb_file_per_table`;
SET GLOBAL innodb_file_format='Barracuda';
SET GLOBAL innodb_file_per_table=ON;
SET innodb_strict_mode=ON;

CREATE TABLE bug54679 (a INT) ENGINE=InnoDB ROW_FORMAT=COMPRESSED;
SELECT TABLE_NAME,ROW_FORMAT,CREATE_OPTIONS FROM information_schema.tables
WHERE TABLE_NAME='bug54679';

# The ROW_FORMAT of the table should be preserved when it is not specified
# in ALTER TABLE.
ALTER TABLE bug54679 ADD COLUMN b INT;
SELECT TABLE_NAME,ROW_FORMAT,CREATE_OPTIONS FROM information_schema.tables
WHERE TABLE_NAME='bug54679';

DROP TABLE bug54679;

# Check that the ROW_FORMAT conversion to/from COMPRESSED works.

CREATE TABLE bug54679 (a INT) ENGINE=InnoDB;
SELECT TABLE_NAME,ROW_FORMAT,CREATE_OPTIONS FROM information_schema.tables
WHERE TABLE_NAME='bug54679';

# KEY_BLOCK_SIZE implies COMPRESSED.
ALTER TABLE bug54679 KEY_BLOCK_SIZE=1;
SELECT TABLE_NAME,ROW_FORMAT,CREATE_OPTIONS FROM information_schema.tables
WHERE TABLE_NAME='bug54679';

--replace_regex /'[^']*test\.#sql-[0-9a-f_]*'/'#sql-temporary'/
--error ER_CANT_CREATE_TABLE
ALTER TABLE bug54679 ROW_FORMAT=REDUNDANT;
--replace_regex /'[^']*test\.#sql-[0-9a-f_]*'/'#sql-temporary'/
SHOW WARNINGS;
DROP TABLE bug54679;
CREATE TABLE bug54679 (a INT) ENGINE=InnoDB ROW_FORMAT=REDUNDANT;
SELECT TABLE_NAME,ROW_FORMAT,CREATE_OPTIONS FROM information_schema.tables
WHERE TABLE_NAME='bug54679';

ALTER TABLE bug54679 KEY_BLOCK_SIZE=2;
SELECT TABLE_NAME,ROW_FORMAT,CREATE_OPTIONS FROM information_schema.tables
WHERE TABLE_NAME='bug54679';

# This prevents other than REDUNDANT or COMPACT ROW_FORMAT for new tables.
SET GLOBAL innodb_file_format=Antelope;

--replace_regex /'[^']*test\.#sql-[0-9a-f_]*'/'#sql-temporary'/
--error ER_CANT_CREATE_TABLE
ALTER TABLE bug54679 KEY_BLOCK_SIZE=4;
--replace_regex /'[^']*test\.#sql-[0-9a-f_]*'/'#sql-temporary'/
SHOW WARNINGS;
--replace_regex /'[^']*test\.#sql-[0-9a-f_]*'/'#sql-temporary'/
--error ER_CANT_CREATE_TABLE
ALTER TABLE bug54679 ROW_FORMAT=DYNAMIC;
--replace_regex /'[^']*test\.#sql-[0-9a-f_]*'/'#sql-temporary'/
SHOW WARNINGS;
DROP TABLE bug54679;
--replace_regex /'[^']*test\.#sql-[0-9a-f_]*'/'#sql-temporary'/
--error ER_CANT_CREATE_TABLE
CREATE TABLE bug54679 (a INT) ENGINE=InnoDB ROW_FORMAT=DYNAMIC;
--replace_regex /'[^']*test\.#sql-[0-9a-f_]*'/'#sql-temporary'/
SHOW WARNINGS;
CREATE TABLE bug54679 (a INT) ENGINE=InnoDB;

SET GLOBAL innodb_file_format=Barracuda;
# This will prevent ROW_FORMAT=COMPRESSED, because the system tablespace
# cannot be compressed.
SET GLOBAL innodb_file_per_table=OFF;

--replace_regex /'[^']*test\.#sql-[0-9a-f_]*'/'#sql-temporary'/
--error ER_CANT_CREATE_TABLE
ALTER TABLE bug54679 KEY_BLOCK_SIZE=4;
--replace_regex /'[^']*test\.#sql-[0-9a-f_]*'/'#sql-temporary'/
SHOW WARNINGS;
--replace_regex /'[^']*test\.#sql-[0-9a-f_]*'/'#sql-temporary'/
--error ER_CANT_CREATE_TABLE
ALTER TABLE bug54679 ROW_FORMAT=DYNAMIC;
--replace_regex /'[^']*test\.#sql-[0-9a-f_]*'/'#sql-temporary'/
SHOW WARNINGS;
DROP TABLE bug54679;
--replace_regex /'[^']*test\.#sql-[0-9a-f_]*'/'#sql-temporary'/
--error ER_CANT_CREATE_TABLE
CREATE TABLE bug54679 (a INT) ENGINE=InnoDB ROW_FORMAT=DYNAMIC;
--replace_regex /'[^']*test\.#sql-[0-9a-f_]*'/'#sql-temporary'/
SHOW WARNINGS;
SET GLOBAL innodb_file_per_table=ON;
CREATE TABLE bug54679 (a INT) ENGINE=InnoDB ROW_FORMAT=DYNAMIC;
DROP TABLE bug54679;

# restore original values, quietly so the test does not fail if those
# defaults are changed
-- disable_query_log
EVAL SET GLOBAL innodb_file_format=$file_format;
EVAL SET GLOBAL innodb_file_format_max=$file_format_max;
EVAL SET GLOBAL innodb_file_per_table=$file_per_table;
-- enable_query_log