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https://issues.apache.org/jira/browse/BEAM-6017?focusedWorklogId=166701&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-166701
]
ASF GitHub Bot logged work on BEAM-6017:
----------------------------------------
Author: ASF GitHub Bot
Created on: 15/Nov/18 23:53
Start Date: 15/Nov/18 23:53
Worklog Time Spent: 10m
Work Description: kennknowles commented on a change in pull request
#6991: [BEAM-6017] [WIP] Support nanosecond precision for DateTime field in Row
URL: https://github.com/apache/beam/pull/6991#discussion_r234036927
##########
File path:
sdks/java/core/src/main/java/org/apache/beam/sdk/coders/JavaInstantCoder.java
##########
@@ -0,0 +1,77 @@
+/*
+ * 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.beam.sdk.coders;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.EOFException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.UTFDataFormatException;
+import java.time.Instant;
+import org.apache.beam.sdk.values.TypeDescriptor;
+
+/**
+ * A {@link Coder} for Java time {@link Instant} that encodes it as a big
endian {@link Long}
+ * shifted such that lexicographic ordering of the bytes corresponds to
chronological order, and
+ * also encodes a {@link Integer} for the nanoseconds-of-second adjustment.
+ */
+public class JavaInstantCoder extends AtomicCoder<Instant> {
Review comment:
Please test with `CoderProperties`
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Issue Time Tracking
-------------------
Worklog Id: (was: 166701)
Time Spent: 2h (was: 1h 50m)
> Support nanosecond precision for DATETIME in Schema
> ---------------------------------------------------
>
> Key: BEAM-6017
> URL: https://issues.apache.org/jira/browse/BEAM-6017
> Project: Beam
> Issue Type: New Feature
> Components: sdk-java-core
> Reporter: Rui Wang
> Assignee: Rui Wang
> Priority: Major
> Time Spent: 2h
> Remaining Estimate: 0h
>
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