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MDEV-29666 InnoDB fails to purge secondary index records when indexed virtual columns exist

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row_purge_get_partial(): Replaces trx_undo_rec_get_partial_row().
Also copy the purge_node_t::ref to the purge_node_t::row.
In this way, the clustered index key fields will always be
available, even if thanks to
commit d384ead0f0 (MDEV-14799)
they would no longer be repeated in the remaining part of the
undo log record.
This commit is contained in:
Marko Mäkelä
2022-10-05 09:30:33 +03:00
parent 19f0b96d53
commit 1562b2c20b
7 changed files with 178 additions and 212 deletions
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15
mysql-test/suite/innodb/r/purge_secondary.result
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@@ -166,4 +166,19 @@ buffer_LRU_batch_evict_total_pages buffer
# FLUSH TABLES t1 FOR EXPORT;
# UNLOCK TABLES;
DROP TABLE t1;
#
# MDEV-29666 InnoDB fails to purge secondary index records
# when indexed virtual columns exist
#
CREATE TABLE t1 (a INT, b INT, a1 INT AS(a) VIRTUAL,
INDEX(a1),INDEX(b)) ENGINE=InnoDB;
INSERT INTO t1 SET a=1, b=1;
UPDATE t1 SET a=2, b=3;
InnoDB 0 transactions not purged
FLUSH TABLE t1 FOR EXPORT;
page 4: N_RECS=0x0001
page 5: N_RECS=0x0001
UNLOCK TABLES;
DROP TABLE t1;
# End of 10.3 tests
SET GLOBAL innodb_purge_rseg_truncate_frequency = @saved_frequency;