GitHub user tgroh opened a pull request:
https://github.com/apache/beam/pull/2615
Use the Input Coder in Dataflow Pubsub Write
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If no element coder is specified, and one is required, use the element
coder of the input PCollection as the encoding input. The coder is known
to have the appropriate type.
R: @reuvenlax
This is likely going away as part of
https://issues.apache.org/jira/browse/BEAM-1353;
we should require a `T -> bytes` conversion to be explicitly specified
rather than using a Coder.
Right now the input coder is not always defined. This fixes that bug.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tgroh/beam pubsub_write_coder
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/beam/pull/2615.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 #2615
----
commit 4dd597621a9fce3fc95d6a265d4c9eaf70648326
Author: Thomas Groh <tg...@google.com>
Date: 2017-04-20T19:29:24Z
Use the Input Coder in Dataflow Pubsub Write
If no element coder is specified, and one is required, use the element
coder of the input PCollection as the encoding input. The coder is known
to have the appropriate type.
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