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https://issues.apache.org/jira/browse/BEAM-14541?focusedWorklogId=776599&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-776599
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ASF GitHub Bot logged work on BEAM-14541:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 01/Jun/22 00:11
            Start Date: 01/Jun/22 00:11
    Worklog Time Spent: 10m 
      Work Description: yixiaoshen opened a new pull request, #17789:
URL: https://github.com/apache/beam/pull/17789

   Current code does the conversion by first manually calculating the millis 
from a proto Timestamp with `long millis = time.getSeconds() * 1000 + 
time.getNanos() / 1000`, but 1 millisecond = 1,000,000 nanoseconds instead of 
1,000. This PR changes to use proto Timestamps util class to do the conversion 
in order to be less prone to such mistakes.
   
   R: @chamikaramj
   
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Issue Time Tracking
-------------------

            Worklog Id:     (was: 776599)
    Remaining Estimate: 0h
            Time Spent: 10m

> Timestamp value conversion in Cloud Datastore connector is wrong
> ----------------------------------------------------------------
>
>                 Key: BEAM-14541
>                 URL: https://issues.apache.org/jira/browse/BEAM-14541
>             Project: Beam
>          Issue Type: Bug
>          Components: io-java-gcp
>            Reporter: Yixiao Shen
>            Assignee: Yixiao Shen
>            Priority: P2
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Code in org.apache.beam.sdk.io.gcp.datastore.EntityToRow class:
> {code:java}
> com.google.protobuf.Timestamp time = val.getTimestampValue();
> long millis = time.getSeconds() * 1000 + time.getNanos() / 1000;
> return Instant.ofEpochMilli(millis).toDateTime();{code}
> 1 millisecond = 1,000,000 nanoseconds



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