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MDEV-19541: Avoid infinite loop of reading a corrupted page

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row_search_mvcc(): Duplicate the logic of btr_pcur_move_to_next()
so that an infinite loop can be avoided when advancing to the next
page fails due to a corrupted page.
This commit is contained in:
Marko Mäkelä
2019-05-29 11:20:56 +03:00
parent eeee1832d7
commit 6eefeb6fea
5 changed files with 53 additions and 31 deletions
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6
mysql-test/suite/encryption/r/innodb-force-corrupt.result
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@ -1,5 +1,7 @@
call mtr.add_suppression("InnoDB: Table `test`\\.`t[13]` (has an unreadable root page|is corrupted)");
call mtr.add_suppression("InnoDB: Encrypted page \\[page id: space=\\d+, page number=[36]\\] in file .*test.t[123]\\.ibd looks corrupted; key_version=3221342974");
call mtr.add_suppression("InnoDB: Table `test`\\.`t[13]` is corrupted");
call mtr.add_suppression("\\[ERROR\\] InnoDB: We detected index corruption in an InnoDB type table");
call mtr.add_suppression("\\[ERROR\\] mysqld: Index for table 't2' is corrupt; try to repair it");
SET GLOBAL innodb_file_per_table = ON;
set global innodb_compression_algorithm = 1;
# Create and populate tables to be corrupted
@ -17,7 +19,7 @@ COMMIT;
SELECT * FROM t1;
ERROR 42S02: Table 'test.t1' doesn't exist in engine
SELECT * FROM t2;
ERROR HY000: Got error 192 'Table encrypted but decryption failed. This could be because correct encryption management plugin is not loaded, used encryption key is not available or encryption method does not match.' from InnoDB
Got one of the listed errors
SELECT * FROM t3;
ERROR 42S02: Table 'test.t3' doesn't exist in engine
# Restore the original tables