BUG#18094 Slave caches invalid table definition after atlters causes select failure

- return correct object status from ndb dictionary
- check for validity of index retrieved from index, and retry if invalid

mysql-test/r/rpl_ndb_basic.result

@@ -122,3 +122,28 @@ select * from t1 order by nid;
 nid	nom	prenom
 1	DEAD	ABC1
 DROP TABLE t1;
+CREATE TABLE t1 (c1 INT KEY) ENGINE=NDB;
+INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
+ALTER TABLE t1 ADD c2 INT;
+SELECT * FROM t1 ORDER BY c1;
+c1	c2
+1	NULL
+2	NULL
+3	NULL
+4	NULL
+5	NULL
+6	NULL
+7	NULL
+8	NULL
+9	NULL
+10	NULL
+ALTER TABLE t1 CHANGE c2 c2 TEXT CHARACTER SET utf8;
+ALTER TABLE t1 CHANGE c2 c2 BLOB;
+SELECT * FROM t1 ORDER BY c1 LIMIT 5;
+c1	c2
+1	NULL
+2	NULL
+3	NULL
+4	NULL
+5	NULL
+DROP TABLE t1;