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We use statement based bin log master-slave replication with MySQL 5.7. We use the slave for analytics and so add additional indexes and things not required on the master. I recently tried to add a virtual column and indexed it. Unfortunately, it seems that none of the new data being replicated ends up in the index. When I query the new rows, the generated column values are present and correct but when I filter the table on the generated column values, none of the rows created since the index was created are returned.

Am I doing something wrong here or is this not supported with bin log replication?

  • Specifics, please. Let's see, for example, version number of both MySQLs; the sql to add the virtual column and index; which flavor of replication is being used (RBR/SBR/Mixed); SHOW CREATE TABLE on both Master and Slave; and maybe some other things. – Rick James Jun 7 '18 at 2:28

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