In this post, you’ll learn more about the MariaDB Error 1715 ER_BINLOG_UNSAFE_INSERT_SELECT_UPDATE with the details of the error message and why you receive this error
Maria DB Error Description
MariaDB Error 1715 – ER_BINLOG_UNSAFE_INSERT_SELECT_UPDATE with the sqlState HY000
Error Description for the MariaDB Error ER_BINLOG_UNSAFE_INSERT_SELECT_UPDATE
INSERT… SELECT… ON DUPLICATE KEY UPDATE is unsafe because the order in which rows are retrieved by the SELECT determines which (if any) rows are updated. This order cannot be predicted and may differ on master and the slave.