GitHub user tgroh opened a pull request:
https://github.com/apache/beam/pull/2078
[BEAM-646] Specialize ISM View Translations
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These translations have a different coder than the original view, which
is required on the worker side to be transmitted as part of the
Singleton Output, and are generally not compatible with the replacements
performed during Pipeline Surgery. Specializing this translation allows
the updated coders to be set on the output view based on the overriding
transform, rather than the output node, as the view needs to remain
consistent.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tgroh/beam ism_coder_specialized_override
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/beam/pull/2078.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 #2078
commit 519e8f2495f9463119f190a29e53c8398cb7ec7e
Author: Thomas Groh
Date: 2017-02-22T22:59:08Z
Specialize ISM View Translations
These translations have a different coder than the original view, which
is required on the worker side to be transmitted as part of the
Singleton Output, and are generally not compatible with the replacements
performed during Pipeline Surgery. Specializing this translation allows
the updated coders to be set on the output view based on the overriding
transform, rather than the output node, as the view needs to remain
consistent.
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