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Subject [GitHub] [flink] liyafan82 commented on a change in pull request #8492: [FLINK-12563][table-runtime-blink] Introduce vector data format in blink
Date Wed, 22 May 2019 01:44:04 GMT
liyafan82 commented on a change in pull request #8492: [FLINK-12563][table-runtime-blink] Introduce
vector data format in blink
URL: https://github.com/apache/flink/pull/8492#discussion_r285988252
 
 

 ##########
 File path: flink-table/flink-table-runtime-blink/src/main/java/org/apache/flink/table/dataformat/vector/VectorizedColumnBatch.java
 ##########
 @@ -0,0 +1,140 @@
+/*
+ * 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.
+ */
+
+package org.apache.flink.table.dataformat.vector;
+
+import org.apache.flink.table.dataformat.Decimal;
+import org.apache.flink.table.dataformat.vector.BytesColumnVector.Bytes;
+
+import java.io.Serializable;
+
+/**
+ * A VectorizedColumnBatch is a set of rows, organized with each column as a vector. It is
the
+ * unit of query execution, organized to minimize the cost per row and achieve high
 
 Review comment:
   high -> low?

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