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