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https://issues.apache.org/jira/browse/BEAM-12284?focusedWorklogId=598923&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-598923
]
ASF GitHub Bot logged work on BEAM-12284:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 18/May/21 23:06
Start Date: 18/May/21 23:06
Worklog Time Spent: 10m
Work Description: dmkozh commented on a change in pull request #14834:
URL: https://github.com/apache/beam/pull/14834#discussion_r634808329
##########
File path: sdks/python/apache_beam/transforms/create_test.py
##########
@@ -121,6 +123,43 @@ def test_create_source_progress(self):
self.assertEqual(expected_split_points_report, split_points_report)
+ def test_create_uses_coder_for_pickling(self):
+ coders.registry.register_coder(_Unpicklable, _UnpicklableCoder)
+ create = Create([_Unpicklable(1), _Unpicklable(2), _Unpicklable(3)])
+ unpickled_create = pickler.loads(pickler.dumps(create))
+ self.assertEqual(
+ sorted(create.values, key=lambda v: v.value),
+ sorted(unpickled_create.values, key=lambda v: v.value))
+
+ with self.assertRaises(NotImplementedError):
+ create_unpicklable = Create([_Unpicklable(1), 2])
Review comment:
Unfortunately there is no special 'UnionCoder' as of now, so this falls
back to FastPrimitivesCoder. Added a comment.
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Issue Time Tracking
-------------------
Worklog Id: (was: 598923)
Time Spent: 1.5h (was: 1h 20m)
> beam.Create should respect element coder during pickling
> --------------------------------------------------------
>
> Key: BEAM-12284
> URL: https://issues.apache.org/jira/browse/BEAM-12284
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Reporter: Dmytro Kozhevin
> Assignee: Dmytro Kozhevin
> Priority: P2
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> beam.Create stores values to create as a field. If the values can't be
> pickled, then the transform itself can't be pickled and transferred for
> remote execution. Instead it should encode/decode elements using the element
> coders during pickling/unpickling.
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