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CREATE TABLE t1 (c1 INT);
ALTER TABLE t1 ADD COLUMN c2 INT, ALGORITHM=INSTANT;
INSERT INTO t1 VALUES (1,1);
SELECT * FROM t1;
c1 c2
1 1
DROP TABLE t1;
# Redundant:
CREATE TABLE t1_redundant (c1 INT) ROW_FORMAT=REDUNDANT, ENGINE=INNODB;
ALTER TABLE t1_redundant ADD COLUMN c2 INT, ALGORITHM=INSTANT;
INSERT INTO t1_redundant VALUES (1,1);
SHOW CREATE TABLE t1_redundant;
Table Create Table
t1_redundant CREATE TABLE `t1_redundant` (
`c1` int DEFAULT NULL,
`c2` int DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=REDUNDANT
SELECT * FROM t1_redundant;
c1 c2
1 1
CHECK TABLE t1_redundant;
Table Op Msg_type Msg_text
test.t1_redundant check status OK
DROP TABLE t1_redundant;
# Compact:
CREATE TABLE t1_compact (c1 INT) ROW_FORMAT=COMPACT, ENGINE=INNODB;
ALTER TABLE t1_compact ADD COLUMN c2 INT, ALGORITHM=INSTANT;
INSERT INTO t1_compact VALUES (1,1);
SHOW CREATE TABLE t1_compact;
Table Create Table
t1_compact CREATE TABLE `t1_compact` (
`c1` int DEFAULT NULL,
`c2` int DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=COMPACT
SELECT * FROM t1_compact;
c1 c2
1 1
CHECK TABLE t1_compact;
Table Op Msg_type Msg_text
test.t1_compact check status OK
DROP TABLE t1_compact;
# Dynamic:
CREATE TABLE t1_dynamic (c1 INT) ROW_FORMAT=DYNAMIC, ENGINe=INNODB;
ALTER TABLE t1_dynamic ADD COLUMN c2 INT, ALGORITHM=INSTANT;
INSERT INTO t1_dynamic VALUES (1,1);
SHOW CREATE TABLE t1_dynamic;
Table Create Table
t1_dynamic CREATE TABLE `t1_dynamic` (
`c1` int DEFAULT NULL,
`c2` int DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=DYNAMIC
SELECT * FROM t1_dynamic;
c1 c2
1 1
CHECK TABLE t1_dynamic;
Table Op Msg_type Msg_text
test.t1_dynamic check status OK
DROP TABLE t1_dynamic;
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