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  1. MariaDB Server
  2. MDEV-4813

Replication fails on updating a MEMORY table with an index using btree

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      Description

      Test case:

      --source include/master-slave.inc
      --source include/have_binlog_format_row.inc
       
      CREATE TABLE t1 (f1 VARCHAR(128), f2 VARCHAR(128), KEY (f2,f1) USING BTREE) ENGINE=MEMORY;
      INSERT INTO t1 VALUES (NULL,'not'),('one',NULL),('two',NULL),('three','');
       
      UPDATE t1 SET f2 = 'new';
       
      --sync_slave_with_master

      Last_Error	Could not execute Update_rows event on table test.t1; Can't find record in 't1', Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event's master log master-bin.000001, end_log_pos 694

      It's an upstream bug, but it's not reproducible in MySQL 5.6 (5.6.5, 5.6.12), while still reproducible in MariaDB 10.0.4 candidate.
      I filed it at bugs.mysql.com, although I don't have much hope that it will be fixed, given that it's not reproducible in 5.6.

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            Assignee:
            serg Sergei Golubchik
            Reporter:
            elenst Elena Stepanova
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