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https://issues.apache.org/jira/browse/BEAM-9692?focusedWorklogId=422370&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-422370
]
ASF GitHub Bot logged work on BEAM-9692:
----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Apr/20 22:00
Start Date: 14/Apr/20 22:00
Worklog Time Spent: 10m
Work Description: robertwb commented on pull request #11335: [BEAM-9692]:
Make CombineValues portable
URL: https://github.com/apache/beam/pull/11335#discussion_r408461337
##########
File path: sdks/python/apache_beam/runners/dataflow/ptransform_overrides.py
##########
@@ -111,3 +111,38 @@ def expand(self, pbegin):
return JrhRead().with_output_types(
ptransform.get_type_hints().simple_output_type('Read'))
+
+
+class CombineValuesPTransformOverride(PTransformOverride):
+ """A ``PTransformOverride`` for ``CombineValues``.
+
+ The DataflowRunner expects that the CombineValues PTransform acts as a
+ primitive. So this override replaces the CombineValues with a primitive.
+ """
+ def matches(self, applied_ptransform):
+ # Imported here to avoid circular dependencies.
+ # pylint: disable=wrong-import-order, wrong-import-position
+ from apache_beam import CombineValues
+
+ if isinstance(applied_ptransform.transform, CombineValues):
+ self.transform = applied_ptransform.transform
+ return True
+ return False
+
+ def get_replacement_transform(self, ptransform):
+ # Imported here to avoid circular dependencies.
+ # pylint: disable=wrong-import-order, wrong-import-position
+ from apache_beam import PTransform
+ from apache_beam.pvalue import PCollection
+
+ # The DataflowRunner still needs access to the CombineValues members to
Review comment:
I was thinking that run_xxx could also be called for composites. That might,
however, be a bigger change, so we can go with this approach.
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Issue Time Tracking
-------------------
Worklog Id: (was: 422370)
Time Spent: 1.5h (was: 1h 20m)
> Clean Python DataflowRunner to use portable pipelines
> -----------------------------------------------------
>
> Key: BEAM-9692
> URL: https://issues.apache.org/jira/browse/BEAM-9692
> Project: Beam
> Issue Type: Improvement
> Components: runner-dataflow
> Reporter: Sam Rohde
> Assignee: Sam Rohde
> Priority: Major
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
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