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d82386b6b9
btr_cur_upd_rec_in_place(): Prefer WRITE to MEMSET for a single-byte operation. log_phys_t::apply(): Relax the assertion to allow a single-byte MEMSET, even though it is 1 byte longer than a WRITE record.
15 lines
286 B
Plaintext
15 lines
286 B
Plaintext
CREATE TABLE t1 (pk INT PRIMARY KEY, a YEAR UNSIGNED) ENGINE=InnoDB
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ROW_FORMAT=REDUNDANT;
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INSERT INTO t1 VALUES (1,2021),(2,21),(3,0);
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UPDATE t1 SET a = NULL;
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# shutdown server
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# remove datadir
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# xtrabackup move back
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# restart
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SELECT * FROM t1;
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pk a
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1 NULL
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2 NULL
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3 NULL
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DROP TABLE t1;
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