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The original symptom of this was an assertion 'marked_for_read()' failing in
RBR with unique blobs and binlog_row_image=MINIMAL. The problem was that the
hidden DB_ROW_HASH_1 virtual column was included in the after-image of the
update, but the underlying blob column was not being updated, so it was not
in the read_set/write_set.
It seems clearly wrong to include the DB_ROW_HASH_1 in the after-image when
the underlying blob isn't even being updated. The cause of this is the
following commit:
Author: Monty <monty@mariadb.org>
Date: Wed May 23 22:42:29 2018 +0300
MDEV-15243 Crash with virtual fields and row based binary logging
That patch removed a check for if the underlying fields of a virtual column
were being updated, and just added them unconditionally. This seems wrong.
So revert that part of the commit, restoring the logic to only add a virtual
column if any underlying field is actually in the write_set.
Also fix a typo in that commit where a code reformat accidentally reversed a
condition.
Also fix an assertion when InnoDB goes to update secondary indexes: If any
part of the primary key is being updated, then add all virtual columns that
are part of secondary indexes to the read_set.
Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>
21 lines
568 B
Text
21 lines
568 B
Text
--source include/have_binlog_format_row.inc
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--source include/master-slave.inc
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--connection slave
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SET @row_image_save = @@global.binlog_row_image;
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SET GLOBAL binlog_row_image=MINIMAL;
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--source include/stop_slave.inc
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--source include/start_slave.inc
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--connection master
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SET binlog_row_image=MINIMAL;
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CREATE TABLE t (pk int primary key, a text, b text, unique(b));
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INSERT INTO t VALUES (1,'foo', 'bar');
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UPDATE t SET a = 'baz';
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--sync_slave_with_master
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SET GLOBAL binlog_row_image = @row_image_save;
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--connection master
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DROP TABLE t;
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--source include/rpl_end.inc
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