Github user weinan003 commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/1349#discussion_r177945087
--- Diff: contrib/vexecutor/execVScan.c ---
@@ -0,0 +1,167 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with 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.
+ */
+
+#include "execVScan.h"
+#include "miscadmin.h"
+
+static TupleTableSlot*
+ExecVScan(ScanState *node, ExecScanAccessMtd accessMtd);
+
+static const ScanMethod *
+getVScanMethod(int tableType)
+{
+ static const ScanMethod scanMethods[] =
+ {
+ //HEAPSCAN
+ {
+ },
+ //APPENDONLYSCAN
+ {
+ &AppendOnlyScanNext,
&BeginScanAppendOnlyRelation, &EndScanAppendOnlyRelation,
--- End diff --
Well, this PR only provide a vectorized scan framework, AO and Parquet
vectorized scan function will implement later. For easy to do feature test for
this PR. I use normal AO and Parquet function as the tuple scanner under the
framework
---
