HAWQ-1735. enable orc feature test

src/test/feature/.gitignore

@@ -6,11 +6,13 @@ feature-test
 # test generated files
 **/*.out
 **/*.diff
+**/.DS_Store
+**/*.o.tmp
+
+ExternalSource/ans/*.ans
+ExternalSource/data/*
+ExternalSource/sql/*.sql
 
-ExternalSource/ans/external_oid.ans
-ExternalSource/ans/exttab1.ans
-ExternalSource/sql/external_oid.sql
-ExternalSource/sql/exttab1.sql
 UDF/ans/function_c.ans
 UDF/ans/function_creation.ans
 UDF/sql/function_c.sql

src/test/feature/ExternalSource/sql/init_file

@@ -0,0 +1,26 @@
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+-- start_matchignore
+s/LINE.*exttable_ext.*_test/exttable_ext_test/
+s/.*failed to begin insert: type not supported for orc.*/failed to begin insert: type not supported for orc/
+s/.*Rounded overflowing value.*/Rounded overflowing value/
+s/.*ERROR:  value out of range/ERROR:  value out of range/
+s/.*ERROR:  magma: magma client: failed to end insert into table*/ERROR:  magma: magma client: failed to end insert into table/g
+s/.*ERROR:  failed to insert .*into table*/ERROR:  failed to insert into table/g
+s/.*ERROR:  NewExecutorRun: failed to do MyExecutorRun. Invalid column selected .*/ERROR:  NewExecutorRun: failed to do MyExecutorRun. Invalid column selected/g
+s/.*ERROR:  ComputeNode catches error. .* failed due to Invalid column selected . */ERROR:  NewExecutorRun: failed to do MyExecutorRun. Invalid column selected/g
+s/psql:.*.sql/psql:sqlfile.sql/g
+s/test_pg_stat_activity_history | .* vcore | .* MB |/test_pg_stat_activity_history | vcore | MB |/g
+
+-- end_matchignore
+