Bug#25567 records() call performs scan in NDB, performance bug

sql/ha_ndbcluster.h

@@ -676,6 +676,8 @@ class ha_ndbcluster: public handler
 
   bool get_error_message(int error, String *buf);
   ha_rows records();
+  ha_rows estimate_rows_upper_bound()
+    { return HA_POS_ERROR; }
   int info(uint);
   void get_dynamic_partition_info(PARTITION_INFO *stat_info, uint part_id);
   int extra(enum ha_extra_function operation);

sql/sql_select.cc

@@ -2197,7 +2197,7 @@ make_join_statistics(JOIN *join, TABLE_LIST *tables, COND *conds,
     s->key_dependent= 0;
     if (tables->schema_table)
       table->file->stats.records= 2;
-    table->quick_condition_rows= table->file->records();
+    table->quick_condition_rows= table->file->stats.records;
 
     s->on_expr_ref= &tables->on_expr;
     if (*s->on_expr_ref)