1
CREATE TABLE t1 (f2 VARCHAR (32), f4 LONGBLOB, f5 TEXT) ENGINE=HEAP;
2
INSERT INTO t1 VALUES ('a', NULL, NULL),
3
('b' , REPEAT('a' , 593338), REPEAT('a', 800));
4
UPDATE t1 SET f2 = 'c' WHERE f4 = 'd';
5
SELECT LENGTH(f2), LENGTH(f4), LENGTH(f5) FROM t1;
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LENGTH(f2) LENGTH(f4) LENGTH(f5)