SET SESSION debug= '+d,skip_dd_table_access_check';
#
# Tests column with functions set as DEFAULT. Test needs debug mode
# in order to be able to check for the changes in DD.
#
#
# CREATE TABLE - column with func as DEFAULT then test DROP column.
#
CREATE TABLE t1 (i int,a TIMESTAMP DEFAULT CURRENT_TIMESTAMP, b JSON DEFAULT (JSON_OBJECT("key", i)));
SELECT CONCAT(t.name, ".", c.name) as col_name,
c.default_option, c.default_value_utf8
FROM mysql.tables AS t JOIN mysql.columns as c ON t.id = c.table_id
WHERE t.name = 't1' ORDER BY c.id;
col_name	default_option	default_value_utf8
t1.i	NULL	NULL
t1.a	CURRENT_TIMESTAMP	CURRENT_TIMESTAMP
t1.b	json_object(_utf8mb4'key',`i`)	json_object(_utf8mb4\'key\',`i`)
t1.DB_ROW_ID	NULL	NULL
t1.DB_TRX_ID	NULL	NULL
t1.DB_ROLL_PTR	NULL	NULL
SET timestamp= 1038401397;
INSERT INTO t1(i) VALUES (1);
INSERT INTO t1(i, b) VALUES (2, DEFAULT);
INSERT INTO t1(i, b) VALUES (3, JSON_OBJECT("key", 3));
SELECT * FROM t1;
i	a	b
1	2002-11-27 15:49:57	{"key": 1}
2	2002-11-27 15:49:57	{"key": 2}
3	2002-11-27 15:49:57	{"key": 3}
ALTER TABLE t1 DROP COLUMN b;
SELECT CONCAT(t.name, ".", c.name) as col_name,
c.default_option, c.default_value_utf8
FROM mysql.tables AS t JOIN mysql.columns as c ON t.id = c.table_id
WHERE t.name = 't1' ORDER BY c.id;
col_name	default_option	default_value_utf8
t1.i	NULL	NULL
t1.a	CURRENT_TIMESTAMP	CURRENT_TIMESTAMP
t1.DB_ROW_ID	NULL	NULL
t1.DB_TRX_ID	NULL	NULL
t1.DB_ROLL_PTR	NULL	NULL
DROP TABLE t1;
#
# Test ALTER table ADD column with DEFAULT
#
CREATE TABLE t1 (i int);
INSERT INTO t1(i) VALUES (1),(2);
ALTER TABLE t1 ADD COLUMN b JSON DEFAULT (JSON_OBJECT("key",i));
SELECT CONCAT(t.name, ".", c.name) as col_name,
c.default_option, c.default_value_utf8
FROM mysql.tables AS t JOIN mysql.columns as c ON t.id = c.table_id
WHERE t.name = 't1' ORDER BY c.id;
col_name	default_option	default_value_utf8
t1.i	NULL	NULL
t1.b	json_object(_utf8mb4'key',`i`)	json_object(_utf8mb4\'key\',`i`)
t1.DB_ROW_ID	NULL	NULL
t1.DB_TRX_ID	NULL	NULL
t1.DB_ROLL_PTR	NULL	NULL
INSERT INTO t1(i) VALUES (3);
INSERT INTO t1(i, b) VALUES (4, DEFAULT);
INSERT INTO t1(i, b) VALUES (5, JSON_OBJECT("key", 5));
SELECT * FROM t1;
i	b
1	{"key": 1}
2	{"key": 2}
3	{"key": 3}
4	{"key": 4}
5	{"key": 5}
DROP TABLE t1;
#
# Test ALTER table ADD column with DEFAULT then ALTER TABLE SET DEFAULT func
#
CREATE TABLE t1 (i int);
INSERT INTO t1(i) VALUES (1),(2);
ALTER TABLE t1 ADD COLUMN b JSON;
ALTER TABLE t1 ALTER COLUMN b SET DEFAULT (JSON_OBJECT("key",i));
SELECT CONCAT(t.name, ".", c.name) as col_name,
c.default_option, c.default_value_utf8
FROM mysql.tables AS t JOIN mysql.columns as c ON t.id = c.table_id
WHERE t.name = 't1' ORDER BY c.id;
col_name	default_option	default_value_utf8
t1.i	NULL	NULL
t1.b	json_object(_utf8mb4'key',`i`)	json_object(_utf8mb4\'key\',`i`)
t1.DB_ROW_ID	NULL	NULL
t1.DB_TRX_ID	NULL	NULL
t1.DB_ROLL_PTR	NULL	NULL
INSERT INTO t1(i) VALUES (3);
INSERT INTO t1(i, b) VALUES (4, DEFAULT);
INSERT INTO t1(i, b) VALUES (5, JSON_OBJECT("key", 5));
SELECT * FROM t1;
i	b
1	NULL
2	NULL
3	{"key": 3}
4	{"key": 4}
5	{"key": 5}
DROP TABLE t1;
#
# Test CREATE TABLE with column without default then SET a DEFAULT.
# ALSO TEST DROP DEFAULT
#
CREATE TABLE t1 (i int, b JSON);
INSERT INTO t1(i) VALUES (1),(2);
ALTER TABLE t1 ALTER COLUMN b SET DEFAULT (JSON_OBJECT("key",i));
INSERT INTO t1(i) VALUES (3);
INSERT INTO t1(i, b) VALUES (4, DEFAULT);
INSERT INTO t1(i, b) VALUES (5, JSON_OBJECT("key", 5));
ALTER TABLE t1 ALTER COLUMN b DROP DEFAULT;
SELECT CONCAT(t.name, ".", c.name) as col_name,
c.default_option, c.default_value_utf8
FROM mysql.tables AS t JOIN mysql.columns as c ON t.id = c.table_id
WHERE t.name = 't1' ORDER BY c.id;
col_name	default_option	default_value_utf8
t1.i	NULL	NULL
t1.b	NULL	NULL
t1.DB_ROW_ID	NULL	NULL
t1.DB_TRX_ID	NULL	NULL
t1.DB_ROLL_PTR	NULL	NULL
INSERT INTO t1(i, b) VALUES (6, NULL);
SELECT * FROM t1;
i	b
1	NULL
2	NULL
3	{"key": 3}
4	{"key": 4}
5	{"key": 5}
6	NULL
DROP TABLE t1;
#
# Test SHOW COLUMNS for table with NOT NULL DEFAULT (expr).
#
CREATE TABLE t1 (f1 INT NOT NULL DEFAULT (32));
SHOW COLUMNS FROM t1;
Field	Type	Null	Key	Default	Extra
f1	int(11)	NO		32	DEFAULT_GENERATED
SELECT CONCAT(t.name, ".", c.name) as col_name,
c.default_option, c.default_value_utf8
FROM mysql.tables AS t JOIN mysql.columns as c ON t.id = c.table_id
WHERE t.name = 't1' ORDER BY c.id;
col_name	default_option	default_value_utf8
t1.f1	32	32
t1.DB_ROW_ID	NULL	NULL
t1.DB_TRX_ID	NULL	NULL
t1.DB_ROLL_PTR	NULL	NULL
DROP TABLE t1;
SET SESSION debug= '-d,skip_dd_table_access_check';