Github user wengyanqing commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/1347#discussion_r175019315
--- Diff: contrib/vexecutor/tuplebatch.h ---
@@ -0,0 +1,52 @@
+/*
+ * 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.
+ */
+#ifndef __TUPLEBATCH_H__
+#define __TUPLEBATCH_H__
+
+#include "vexecutor.h"
+#include "vcheck.h"
+
+
+typedef struct TupleBatchData
+{
+ int _tb_len;
+ int batchsize; //indicate maximum number of batch
+ int ncols; //the number of target table column
+ int nrows; //the number of tuples scaned out
+ int iter; //used for data
+ bool* skip; //used for qualification
+ vheader** datagroup;
+}TupleBatchData,*TupleBatch;
+
+/* TupleBatch ctor */
--- End diff --
1. Would you give a user case of tuplebatch struct or the function call
logic of its functions ?
2. How the tuple batch is integrated with current TupleTableSlot ?
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