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https://issues.apache.org/jira/browse/FLINK-4282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15406108#comment-15406108
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ASF GitHub Bot commented on FLINK-4282:
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GitHub user aditivin opened a pull request:
https://github.com/apache/flink/pull/2331
[FLINK-4282] [streaming] Added an offset parameter for processing time
window ass…
Added offset parameter for the processing time window assigners:
- ProcessingTimeSessionWindows
- SlidingProcessingTimeWindows
- TumblingProcessingTimeWindows
The offset is an optional parameter that can be added while creating these
classes, and it can be supplied as a long value or a TimeZone.
Test cases for the change are present in WindowAssignerOffsetTest. There
are tests for positive, negative and TimeZone offsets for each of the classes.
All Travis CI jobs passed.
I haven't done it for the event time window assigners yet - I can add that
if this is all right.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/aditivin/flink FLINK-4282
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/2331.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2331
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commit 6b57c17a7b207b9e862d14afcc7c890377113d77
Author: zentol <ches...@apache.org>
Date: 2016-07-22T15:50:10Z
[FLINK-4282] Added an offset parameter for processing time window assigners
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> Add Offset Parameter to WindowAssigners
> ---------------------------------------
>
> Key: FLINK-4282
> URL: https://issues.apache.org/jira/browse/FLINK-4282
> Project: Flink
> Issue Type: Improvement
> Components: Streaming
> Reporter: Aljoscha Krettek
>
> Currently, windows are always aligned to EPOCH, which basically means days
> are aligned with GMT. This is somewhat problematic for people living in
> different timezones.
> And offset parameter would allow to adapt the window assigner to the timezone.
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