[MDEV-6877] Update binlog_prepare_pending_rows_events to use comparison function

When deciding which binlog events are pending, make use of the bitmap
compare function instead.

sql/sql_class.cc

@@ -5921,8 +5921,6 @@ int THD::decide_logging_format(TABLE_LIST *tables)
 
 template <class RowsEventT> Rows_log_event*
 THD::binlog_prepare_pending_rows_event(TABLE* table, uint32 serv_id,
-                                       MY_BITMAP const* cols,
-                                       size_t colcnt,
                                        size_t needed,
                                        bool is_transactional,
                                        RowsEventT *hint __attribute__((unused)))
@@ -5965,12 +5963,11 @@ THD::binlog_prepare_pending_rows_event(TABLE* table, uint32 serv_id,
       pending->get_table_id() != table->s->table_map_id ||
       pending->get_general_type_code() != general_type_code ||
       pending->get_data_size() + needed > opt_binlog_rows_event_max_size ||
-      pending->get_width() != colcnt ||
-      !bitmap_cmp(pending->get_cols(), cols)) 
+      pending->read_write_bitmaps_cmp(table) == FALSE)
   {
     /* Create a new RowsEventT... */
     Rows_log_event* const
-	ev= new RowsEventT(this, table, table->s->table_map_id, cols,
+	ev= new RowsEventT(this, table, table->s->table_map_id,
                            is_transactional);
     if (unlikely(!ev))
       DBUG_RETURN(NULL);

sql/sql_class.h

@@ -2143,8 +2143,6 @@ public:
   */
   template <class RowsEventT> Rows_log_event*
     binlog_prepare_pending_rows_event(TABLE* table, uint32 serv_id,
-                                      MY_BITMAP const* cols,
-                                      size_t colcnt,
                                       size_t needed,
                                       bool is_transactional,
                                       RowsEventT* hint);