Deprecated DT/RF: fix __validate_input_table

Pivotal Tracker: #87321430

- Found in install-check of GPDB 4.3.3.0 build 1 in OS X

Author: Feng, Xixuan (Aaron)

methods/cart/src/pg_gp/dt_preproc.sql_in

@@ -283,36 +283,31 @@ BEGIN
     stmt= 'SELECT atttypid
     FROM pg_attribute
     WHERE attrelid ='||quote_literal(full_table_name)||'::regclass  AND
-          attnum > 0                                                AND
-          (not attisdropped)                                        AND
-          atttypid NOT IN
-          (
-              SELECT unnest
-                    (
-                        ARRAY[
-                            ''SMALLINT''::regtype::oid,
-                            ''INT''::regtype::oid,
-                            ''BIGINT''::regtype::oid,
-                            ''FLOAT8''::regtype::oid,
-                            ''REAL''::regtype::oid,
-                            ''DECIMAL''::regtype::oid,
-                            ''INET''::regtype::oid,
-                            ''CIDR''::regtype::oid,
-                            ''MACADDR''::regtype::oid,
-                            ''BOOLEAN''::regtype::oid,
-                            ''CHAR''::regtype::oid,
-                            ''VARCHAR''::regtype::oid,
-                            ''TEXT''::regtype::oid,
-                            ''"char"''::regtype::oid,
-                            ''DATE''::regtype::oid,
-                            ''TIME''::regtype::oid,
-                            ''TIMETZ''::regtype::oid,
-                            ''TIMESTAMP''::regtype::oid,
-                            ''TIMESTAMPTZ''::regtype::oid,
-                            ''INTERVAL''::regtype::oid
-                        ]
-                    )
-          ) ';
+        attnum > 0                                                  AND
+        (not attisdropped)                                          AND
+        atttypid NOT IN
+        (
+            ''SMALLINT''::regtype::oid,
+            ''INT''::regtype::oid,
+            ''BIGINT''::regtype::oid,
+            ''FLOAT8''::regtype::oid,
+            ''REAL''::regtype::oid,
+            ''DECIMAL''::regtype::oid,
+            ''INET''::regtype::oid,
+            ''CIDR''::regtype::oid,
+            ''MACADDR''::regtype::oid,
+            ''BOOLEAN''::regtype::oid,
+            ''CHAR''::regtype::oid,
+            ''VARCHAR''::regtype::oid,
+            ''TEXT''::regtype::oid,
+            ''"char"''::regtype::oid,
+            ''DATE''::regtype::oid,
+            ''TIME''::regtype::oid,
+            ''TIMETZ''::regtype::oid,
+            ''TIMESTAMP''::regtype::oid,
+            ''TIMESTAMPTZ''::regtype::oid,
+            ''INTERVAL''::regtype::oid
+        ) ';
 
     IF (feature_columns IS NOT NULL) THEN
         -- If user do not specify feature columns, we use all those columns.