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  1. MariaDB Server
  2. MDEV-33709

BINLOG_SEND_ANNOTATE_ROWS_EVENT breaks replication from MySQL source

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    • Can result in unexpected behaviour

    Description

      While enumeration of MariaDB specific events starts from 160 (=ANNOTATE_ROWS_EVENT) the MariaDB specific flags for COM_BINLOG_DUMP commands start with lower bytes.

      Since MySQL 8.0.30 the flag BINLOG_SEND_ANNOTATE_ROWS_EVENT collides with the new MySQL flag USE_HEARTBEAT_V2:

      MariaDB:

      #define BINLOG_SEND_ANNOTATE_ROWS_EVENT   2
      

      MySQL:

      #define USE_HEARTBEAT_EVENT_V2 (1 << 1)
      

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            Elkin Andrei Elkin
            georg Georg Richter
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