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CREATE TABLE t1 (a LONGTEXT) ENGINE=INNODB ROW_FORMAT=REDUNDANT;
SHOW WARNINGS;
Level Code Message
INSERT INTO t1 SET a=CONCAT('A', SPACE(8000), 'B');
INSERT INTO t1 SELECT a FROM t1;
UPDATE t1 SET a=CONCAT(a, RAND(), a);
UPDATE t1 SET a=CONCAT(a, RAND(), a);
SELECT * from t1;
DROP TABLE t1;
CREATE TABLE t1 (a LONGTEXT) ENGINE=INNODB ROW_FORMAT=DYNAMIC;
SHOW WARNINGS;
Level Code Message
INSERT INTO t1 SET a=CONCAT('A', SPACE(8000), 'B');
INSERT INTO t1 SELECT a FROM t1;
UPDATE t1 SET a=CONCAT(a, RAND(), a);
UPDATE t1 SET a=CONCAT(a, RAND(), a);
SELECT * from t1;
DROP TABLE t1;
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