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

mysql-test/r/ndb_basic.result

@@ -757,12 +757,12 @@ PRIMARY KEY (b,c))  ENGINE=ndbcluster;
 INSERT INTO t1 VALUES
 ("a","ab","abc"),("b","abc","abcd"),("c","abc","ab"),("d","ab","ab"),("e","abc","abc");
 SELECT * FROM t1 ORDER BY a;
-a       b       c
-a       ab      abc
-b       abc     abcd
-c       abc     ab
-d       ab      ab
-e       abc     abc
+a	b	c
+a	ab	abc
+b	abc	abcd
+c	abc	ab
+d	ab	ab
+e	abc	abc
 DROP TABLE t1;
 End of 5.0 tests
 CREATE TABLE t1 (a VARCHAR(255) NOT NULL,

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)