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https://issues.apache.org/jira/browse/BEAM-11881?focusedWorklogId=564185&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-564185
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ASF GitHub Bot logged work on BEAM-11881:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 11/Mar/21 00:44
Start Date: 11/Mar/21 00:44
Worklog Time Spent: 10m
Work Description: TheNeuralBit commented on a change in pull request
#14135:
URL: https://github.com/apache/beam/pull/14135#discussion_r591984211
##########
File path: sdks/python/apache_beam/dataframe/transforms.py
##########
@@ -331,8 +339,7 @@ def expr_to_stages(expr):
required_partitioning = expr.requires_partition_by()
for stage in common_stages([expr_to_stages(arg) for arg in expr.args()
if arg not in inputs]):
- if all(output_is_partitioned_by(arg, stage, required_partitioning)
- for arg in expr.args() if not is_scalar(arg)):
+ if output_partitioning_in_stage(expr, stage) is not None:
Review comment:
Good idea, done.
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Issue Time Tracking
-------------------
Worklog Id: (was: 564185)
Time Spent: 3.5h (was: 3h 20m)
> DataFrame subpartitioning order is incorrect
> --------------------------------------------
>
> Key: BEAM-11881
> URL: https://issues.apache.org/jira/browse/BEAM-11881
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Reporter: Brian Hulette
> Priority: P2
> Labels: dataframe-api
> Time Spent: 3.5h
> Remaining Estimate: 0h
>
> Currently we've defined
> Nothing() < Index([i]) < Index([i,j]) < .. < Index() < Singleton()
> s.t. Singleton is a subpartitoning of Index, is a subpartitioning of
> Index([i,j]), but this is incorrect. The order should be
> Singleton() < Index([i]) < Index([i,j]) < .. < Index() < Nothing()
> s.t. every other partitioning is a subpartitioning of Singleton. This is
> logical, since Singleton will collect the largest amount of data on a single
> node, partitioning by a single index will be alittle more distributed, and
> partitioning by the full Index() will be the most distribtued.
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