EVOLUTION-MANAGER

Edit File: alter_varchar_change.test

--source include/have_innodb.inc

DELIMITER |;
CREATE PROCEDURE get_index_id(IN tbl_id INT, IN idx_name char(100), OUT idx_id INT)
BEGIN
SELECT index_id into idx_id FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES WHERE
	NAME=idx_name and TABLE_ID=tbl_id;
END|

CREATE PROCEDURE get_table_id(IN tbl_name char(100), OUT tbl_id INT)
BEGIN
SELECT table_id into tbl_id FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE
	NAME = tbl_name;
END|

DELIMITER ;|

SET @tbl_id = 0;
SET @tbl1_id = 0;
SET @idx_id = 0;
SET @idx1_id = 0;

# Table should avoid rebuild for the following varchar change.

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100) PRIMARY KEY)ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(200), ALGORITHM=INSTANT;
CALL get_table_id("test/t1", @tbl1_id);

SELECT @tbl1_id = @tbl_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

# Index should avoid rebuild
CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100),
		INDEX idx(f2))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(200), ALGORITHM=INSTANT;
CALL get_table_id("test/t1", @tbl1_id);

SELECT @tbl1_id = @tbl_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL, f2 VARCHAR(100), f3 VARCHAR(100),
		INDEX idx(f2, f3), index idx1(f3, f2))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
CALL get_index_id(@tbl_id, "idx", @idx_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(200), MODIFY f3 VARCHAR(150), ALGORITHM=INSTANT;
CALL get_table_id("test/t1", @tbl1_id);
CALL get_index_id(@tbl1_id, "idx", @idx1_id);

SELECT @tbl1_id = @tbl_id;
SELECT @idx1_id = @idx_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL, f2 VARCHAR(100),
		INDEX idx(f2(40)))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
CALL get_index_id(@tbl_id, "idx", @idx_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(200), ALGORITHM=INSTANT;
CALL get_table_id("test/t1", @tbl1_id);
CALL get_index_id(@tbl1_id, "idx", @idx1_id);

SELECT @tbl1_id = @tbl_id;
SELECT @idx1_id = @idx_id;

SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100), FULLTEXT idx(f2))ENGINE=InnoDB;

SELECT @tbl1_id = @tbl_id;
SELECT @idx1_id = @idx_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100),
		f3 VARCHAR(50) as (f2) VIRTUAL,
		INDEX idx(f3))ENGINE=InnoDB;

INSERT INTO t1(f1, f2) VALUES(1, repeat('a', 40));

CALL get_table_id("test/t1", @tbl_id);
CALL get_index_id(@tbl_id, "idx", @idx_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(100), ALGORITHM=INSTANT;
CALL get_table_id("test/t1", @tbl1_id);
CALL get_index_id(@tbl1_id, "idx", @idx1_id);

SELECT @tbl1_id = @tbl_id;
SELECT @idx1_id = @idx_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100),
		INDEX idx(f2(10)),
		INDEX idx1(f1))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
CALL get_index_id(@tbl_id, "idx", @idx_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(200), DROP INDEX idx1;
CALL get_table_id("test/t1", @tbl1_id);
CALL get_index_id(@tbl1_id, "idx", @idx1_id);

SELECT @tbl1_id = @tbl_id;
SELECT @idx1_id = @idx_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100),
		INDEX idx(f2(10)))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
CALL get_index_id(@tbl_id, "idx", @idx_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(200), DROP INDEX idx, ADD INDEX idx(f2(10)), ALGORITHM=INSTANT;
CALL get_table_id("test/t1", @tbl1_id);
CALL get_index_id(@tbl1_id, "idx", @idx1_id);

SELECT @tbl1_id = @tbl_id;
SELECT @idx1_id = @idx_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100),
		INDEX idx(f2(10)))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
CALL get_index_id(@tbl_id, "idx", @idx_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(200), DROP INDEX idx, ADD INDEX idx(f2(50));
CALL get_table_id("test/t1", @tbl1_id);
CALL get_index_id(@tbl1_id, "idx", @idx1_id);

SELECT @tbl1_id = @tbl_id;
SELECT @idx1_id = @idx_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

# Newly added index should built

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100),
		INDEX idx(f2(100)))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
CALL get_index_id(@tbl_id, "idx", @idx_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(200), ADD INDEX idx1(f1);
CALL get_table_id("test/t1", @tbl1_id);
CALL get_index_id(@tbl1_id, "idx", @idx1_id);

SELECT @tbl1_id = @tbl_id;
SELECT @idx1_id = @idx_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100),
		INDEX idx(f2(10)))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
CALL get_index_id(@tbl_id, "idx", @idx_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(200), DROP INDEX idx, ADD INDEX idx(f2(6));
CALL get_table_id("test/t1", @tbl1_id);
CALL get_index_id(@tbl1_id, "idx", @idx1_id);

SELECT @tbl1_id = @tbl_id;
SELECT @idx1_id = @idx_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

# Table should rebuild

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100),
		INDEX idx(f2))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(200), ADD COLUMN f3 INT, ALGORITHM=INSTANT;
CALL get_table_id("test/t1", @tbl1_id);

SELECT @tbl1_id = @tbl_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL, f2 VARCHAR(100) PRIMARY KEY)ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(200), ADD COLUMN f3 INT, ALGORITHM=INSTANT;
CALL get_table_id("test/t1", @tbl1_id);

SELECT @tbl1_id = @tbl_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL, f2 VARCHAR(100))ENGINE=INNODB;

CALL get_table_id("test/t1", @tbl_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(200), ADD FULLTEXT idx(f2);
CALL get_table_id("test/t1", @tbl1_id);

SELECT @tbl1_id = @tbl_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL,
		f2 CHAR(100) PRIMARY KEY)ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
ALTER TABLE t1 MODIFY f2 CHAR(200);
CALL get_table_id("test/t1", @tbl1_id);

SELECT @tbl1_id = @tbl_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100),
		INDEX idx(f2(10)),
		INDEX idx1(f1))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(50);
CALL get_table_id("test/t1", @tbl1_id);

SELECT @tbl1_id = @tbl_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100),
		INDEX idx(f2(10)),
		INDEX idx1(f1))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(5), DROP INDEX idx1;
CALL get_table_id("test/t1", @tbl1_id);

SELECT @tbl1_id = @tbl_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100), FULLTEXT idx(f2))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
CALL get_index_id(@tbl_id, "idx", @idx_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(50);
CALL get_table_id("test/t1", @tbl1_id);
CALL get_index_id(@tbl1_id, "idx", @idx1_id);

SELECT @tbl1_id = @tbl_id;
SELECT @idx1_id = @idx_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100),
		INDEX idx(f2))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
ALTER TABLE t1 MODIFY f2 CHAR(200);
CALL get_table_id("test/t1", @tbl1_id);

SELECT @tbl1_id = @tbl_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100),
		INDEX idx(f2(40)))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
ALTER TABLE t1 MODIFY f2 TEXT;
CALL get_table_id("test/t1", @tbl1_id);

SELECT @tbl1_id = @tbl_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100),
		INDEX idx(f2(40)))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(300);
CALL get_table_id("test/t1", @tbl1_id);

SELECT @tbl1_id = @tbl_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100),
		INDEX idx(f2(40)))ENGINE=InnoDB;

CALL get_table_id("test/t1", @tbl_id);
ALTER TABLE t1 MODIFY f2 VARCHAR(200) CHARACTER SET UTF16;
CALL get_table_id("test/t1", @tbl1_id);

SELECT @tbl1_id = @tbl_id;
SHOW CREATE TABLE t1;
DROP TABLE t1;
# Show error when virtual varchar column got changed

CREATE TABLE t1(f1 INT NOT NULL,
		f2 VARCHAR(100),
		f3 VARCHAR(50) as (f2) VIRTUAL,
		INDEX idx(f3))ENGINE=InnoDB;

--echo # If varchar virtual column extension is allowed in the future then
--echo #	InnoDB must rebuild the index

--error ER_UNSUPPORTED_ACTION_ON_GENERATED_COLUMN
ALTER TABLE t1 MODIFY f3 VARCHAR(100);
SHOW CREATE TABLE t1;
DROP TABLE t1;

DROP PROCEDURE get_index_id;
DROP PROCEDURE get_table_id;

# LEN must increase here
create table t (a varchar(100)) engine=innodb;
select name, pos, mtype, prtype, len from information_schema.innodb_sys_columns where name='a';
alter table t modify a varchar(110), algorithm=inplace;
select name, pos, mtype, prtype, len from information_schema.innodb_sys_columns where name='a';
drop table t;