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Subject [GitHub] KurtYoung commented on a change in pull request #7816: [FLINK-11701][table-planner-blink] Introduce an abstract set of data formats
Date Fri, 01 Mar 2019 01:58:48 GMT
KurtYoung commented on a change in pull request #7816: [FLINK-11701][table-planner-blink] Introduce
an abstract set of data formats
URL: https://github.com/apache/flink/pull/7816#discussion_r261457026

 File path: flink-table/flink-table-runtime-blink/src/main/java/org/apache/flink/table/dataformat/BinaryRow.java
 @@ -0,0 +1,278 @@
+ * 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;
+import org.apache.flink.core.memory.MemorySegment;
+import org.apache.flink.core.memory.MemorySegmentFactory;
+import org.apache.flink.table.util.SegmentsUtil;
+import java.nio.ByteOrder;
+import static org.apache.flink.util.Preconditions.checkArgument;
+ * A special row which is backed by {@link MemorySegment} instead of Object. It can significantly
reduce the
+ * serialization/deserialization of Java objects.
+ *
+ * <p>A Row has two part: Fixed-length part and variable-length part.
+ *
+ * <p>Fixed-length part contains null bit set and field values. Null bit set is used
for null tracking and is
 Review comment:
   Header also in fixed length part

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