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MDEV-12745 InnoDB Assertion `0' failed at row0umod.cc:1181

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row_undo_mod_parse_undo_rec(): Relax the too strict assertion and
correct the comment.

innodb.innodb-blob: Force a flush of the redo log right before
killing the server, to ensure that the code path gets exercised.
(The bogus debug assertion failed on the rollback of the statement
UPDATE t3 SET c=REPEAT('j',3000) WHERE a=2 which did not modify
any indexes before the server was killed.)
This commit is contained in:
Marko Mäkelä
2017-05-09 10:00:49 +03:00
parent 9a73af0152
commit e8889c8002
3 changed files with 22 additions and 5 deletions
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6
mysql-test/suite/innodb/r/innodb-blob.result
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@ -97,6 +97,12 @@ SELECT info FROM information_schema.processlist
WHERE state = 'debug sync point: before_row_upd_extern';
info
UPDATE t3 SET c=REPEAT('i',3000) WHERE a=2
connect con3,localhost,root,,;
SET GLOBAL innodb_flush_log_at_trx_commit=1;
DELETE FROM t1;
ROLLBACK;
disconnect con3;
connection con2;
disconnect con2;
connection default;
ERROR HY000: Lost connection to MySQL server during query