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MDEV-25265: ALTER TABLE...IMPORT TABLESPACE fails after DROP INDEX

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A side effect of the MDEV-24589 bug fix is that if
FLUSH TABLE...FOR EXPORT is initiated before the history of an
earlier DROP INDEX operation has been purged, then the data file
will contain allocated pages that belonged to the dropped indexes.
These pages would never be freed after a subsequent IMPORT TABLESPACE.

We will work around this regression by making IMPORT TABLESPACE
tolerate pages that refer to an unknown index.
This commit is contained in:
Marko Mäkelä
2021-03-26 09:58:52 +02:00
parent bcb9ca4105
commit 2e67b9f665
6 changed files with 30 additions and 17 deletions
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mysql-test/suite/innodb/r/innodb-wl5522-debug.result
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@@ -8,6 +8,7 @@ call mtr.add_suppression("InnoDB: Cannot calculate statistics for table .*");
call mtr.add_suppression("InnoDB: Page 0 at offset 0 looks corrupted in file");
call mtr.add_suppression("InnoDB: Page for tablespace ");
call mtr.add_suppression("InnoDB: Invalid FSP_SPACE_FLAGS=");
call mtr.add_suppression("InnoDB: Unknown index id .* on page");
FLUSH TABLES;
SET GLOBAL innodb_file_per_table = 1;
CREATE TABLE t1 (c1 INT) ENGINE = InnoDB;