#
# Test ALTER TABLE schemas in various possible ways.
#
-- source ../include/have_columnstore.inc
-- source include/have_innodb.inc

--disable_warnings
DROP DATABASE IF EXISTS mcs12_db1;
DROP DATABASE IF EXISTS mcs12_db2;
--enable_warnings

CREATE DATABASE mcs12_db1;
CREATE DATABASE mcs12_db2;
USE mcs12_db1;

# Change ENGINE
CREATE TABLE t1 (a INTEGER, c1 CHAR(10));
INSERT INTO t1 VALUES (1, 'a'),(2, 'b');
ALTER TABLE t1 ENGINE=Columnstore;
ALTER TABLE t1 ENGINE=INNODB;
INSERT INTO t1 VALUES (3, 'c'),(4, 'd');
ALTER TABLE mcs12_db1.t1 ENGINE=Columnstore;
INSERT INTO mcs12_db1.t1 VALUES (3, 'c'),(4, 'd');
--replace_regex /( COLLATE=latin1_swedish_ci)//
SHOW CREATE TABLE mcs12_db1.t1;
SELECT * FROM mcs12_db1.t1;
--replace_regex /( COLLATE=latin1_swedish_ci)//
SHOW CREATE TABLE t1;
SELECT * FROM t1;

# Rename
ALTER TABLE t1 RENAME t2;
--replace_regex /( COLLATE=latin1_swedish_ci)//
SHOW CREATE TABLE t2;
SELECT * FROM t2;
ALTER TABLE t2 RENAME TO mcs12_db1.t1;
--replace_regex /( COLLATE=latin1_swedish_ci)//
SHOW CREATE TABLE t1;
SELECT * FROM t1;
# Cross db rename errors in CS but not in innodb. Need to check.
--error 1815
ALTER TABLE mcs12_db1.t1 RENAME TO mcs12_db2.t1;

# Add column
DROP TABLE t1;
CREATE TABLE t1 (i INTEGER) ENGINE=Columnstore;
ALTER TABLE t1 ADD COLUMN (c CHAR(10));
INSERT INTO t1 VALUES (1, 'a'),(2, 'b');
ALTER TABLE t1 ADD t TIMESTAMP;
ALTER TABLE t1 ADD COLUMN i2 INT COMMENT 'Add one more column.';
INSERT INTO t1 VALUES (1, 'a', '2020-07-08', 11);
--replace_regex /( COLLATE=latin1_swedish_ci)//
SHOW CREATE TABLE t1;

# Drop column
ALTER TABLE t1 DROP COLUMN t;
--replace_regex /( COLLATE=latin1_swedish_ci)//
SHOW CREATE TABLE t1;
SELECT * FROM t1;

# Modify column
ALTER TABLE t1 CHANGE i new_i INTEGER;
INSERT INTO t1 VALUES (2, 'b', 22);
--replace_regex /( COLLATE=latin1_swedish_ci)//
SHOW CREATE TABLE t1;
SELECT * FROM t1;

DROP TABLE t1;
CREATE TABLE t1 (i INTEGER) ENGINE=Columnstore;

# Test from parallel connections
connect (addconroot1, localhost, root,,);
connect (addconroot2, localhost, root,,);
connection addconroot1;
--replace_regex /( COLLATE=latin1_swedish_ci)//
SHOW CREATE TABLE mcs12_db1.t1;
ALTER TABLE mcs12_db1.t1 ADD COLUMN c CHAR(10);
INSERT INTO mcs12_db1.t1 VALUES (1, 'a'),(2, 'b');
connection addconroot2;
ALTER TABLE mcs12_db1.t1 ADD t TIMESTAMP;
INSERT INTO mcs12_db1.t1 VALUES (3, 'c', '2020-07-08');
connection addconroot1;
ALTER TABLE mcs12_db1.t1 DROP COLUMN t;
INSERT INTO mcs12_db1.t1 VALUES (4, 'd');
connection addconroot2;
ALTER TABLE mcs12_db1.t1 ADD COLUMN i2 INT COMMENT 'Add one more column.';
INSERT INTO mcs12_db1.t1 VALUES (5, 'e', 55);

connection default;
--replace_regex /( COLLATE=latin1_swedish_ci)//
SHOW CREATE TABLE mcs12_db1.t1;
SELECT * FROM mcs12_db1.t1;
disconnect addconroot1;
disconnect addconroot2;

DROP DATABASE mcs12_db1;
DROP DATABASE mcs12_db2;