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3c38c37432
The sequence that causes the issue:
1. file->row_logging is false because slave-bin was not open;
2. TABLE::mark_columns_per_binlog_row_image() didn't mark column for
read because file->row_logginbg is false. This was implemented in
e53ad95b73 (MDEV-6877);
3. TABLE::update_virtual_fields() didn't update virtual field value
because column is not marked for read;
4. calc_row_difference() sees o_len as UNIV_SQL_NULL, but new row
value is "1". The virtual column is added to update vector;
5. row_upd() tries to update secondary index, but row_upd_sec_step()
doesn't see old value in the index.
The patch does mark_virtual_column_with_deps() via
column_bitmaps_signal() in case of rgi_slave in
mark_columns_per_binlog_row_image() so that non-stored virtual columns
are marked for update in slave thread.
Also fixed column_bitmaps_signal() for partitioning where the signal
did not reach the partition storage engine.
34 lines
901 B
Text
34 lines
901 B
Text
include/master-slave.inc
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[connection master]
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#
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# MDEV-33957 UPDATE fails on replica replicating blob virtual column in
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# NOBLOB mode when replica logging is off
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#
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connection slave;
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select @@log_slave_updates;
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@@log_slave_updates
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0
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connection master;
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set binlog_row_image= 'NOBLOB';
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create table t (
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c int primary key, d int,
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i blob generated always as (c), key k(i)) engine=innodb;
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Warnings:
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Note 1071 Specified key was too long; max key length is 3072 bytes
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insert into t (c) values (1);
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update t set d= 0;
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connection slave;
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connection master;
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drop table t;
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create table t (
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c int primary key, d int,
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i blob generated always as (c), key k(i)) engine=innodb
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partition by key (c) partitions 2;
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Warnings:
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Note 1071 Specified key was too long; max key length is 3072 bytes
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insert into t (c) values (1);
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update t set d= 0;
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connection slave;
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connection master;
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drop table t;
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include/rpl_end.inc
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