Method readOneEvent

src/Core/MySQL/MySQLReplication.h:591–591

        String getName() const override { return "MySQL"; }
        Position getPosition() const override { return position; }
        BinlogEventPtr readOneEvent() override { return event; }
        void setReplicateDatabase(String db) override { replicate_do_db = std::move(db); }
        void setReplicateTables(std::unordered_set<String> tables) { replicate_tables = std::move(tables); }
        void setBinlogFile(String file_name) override { position.binlog_name = std::move(file_name); }