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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/12/16 20:58:00 UTC
[jira] [Work logged] (BEAM-13421) Python DeferredDataFrame.xs differs from Pandas
[ https://issues.apache.org/jira/browse/BEAM-13421?focusedWorklogId=697502&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-697502 ]
ASF GitHub Bot logged work on BEAM-13421:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 16/Dec/21 20:57
Start Date: 16/Dec/21 20:57
Worklog Time Spent: 10m
Work Description: TheNeuralBit opened a new pull request #16258:
URL: https://github.com/apache/beam/pull/16258
`ValidatesRunner` compliance status (on master branch)
--------------------------------------------------------
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<th>Lang</th>
<th>ULR</th>
<th>Dataflow</th>
<th>Flink</th>
<th>Samza</th>
<th>Spark</th>
<th>Twister2</th>
</tr>
</thead>
<tbody>
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<td>Go</td>
<td>---</td>
<td>
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<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Go_VR_Samza/lastCompletedBuild/badge/icon">
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<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Go_VR_Spark/lastCompletedBuild/badge/icon">
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<td>---</td>
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<td>Java</td>
<td>
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<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Java_ValidatesRunner_SparkStructuredStreaming/lastCompletedBuild/badge/icon?subject=Structured+Streaming">
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<td>Python</td>
<td>---</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Py_VR_Dataflow/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Py_VR_Dataflow/lastCompletedBuild/badge/icon?subject=V1">
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<a href="https://ci-beam.apache.org/job/beam_PreCommit_Python_PVR_Flink_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Python_PVR_Flink_Cron/lastCompletedBuild/badge/icon?subject=Portable">
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<a href="https://ci-beam.apache.org/job/beam_PostCommit_Python_VR_Flink/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Python_VR_Flink/lastCompletedBuild/badge/icon">
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<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Python_VR_Spark/lastCompletedBuild/badge/icon">
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<td>---</td>
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<td>XLang</td>
<td>
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<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_XVR_Direct/lastCompletedBuild/badge/icon">
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<td>---</td>
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</table>
Examples testing status on various runners
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<table>
<thead>
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<th>Lang</th>
<th>ULR</th>
<th>Dataflow</th>
<th>Flink</th>
<th>Samza</th>
<th>Spark</th>
<th>Twister2</th>
</tr>
</thead>
<tbody>
<tr>
<td>Go</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td>Java</td>
<td>---</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_Java_Examples_Dataflow_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Java_Examples_Dataflow_Cron/lastCompletedBuild/badge/icon?subject=V1">
</a><br>
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<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
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<td>Python</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td>XLang</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
</tbody>
</table>
Post-Commit SDK/Transform Integration Tests Status (on master branch)
------------------------------------------------------------------------------------------------
<table>
<thead>
<tr>
<th>Go</th>
<th>Java</th>
<th>Python</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Go/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Go/lastCompletedBuild/badge/icon">
</a>
</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Java/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PostCommit_Java/lastCompletedBuild/badge/icon">
</a>
</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Python36/lastCompletedBuild/">
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Pre-Commit Tests Status (on master branch)
------------------------------------------------------------------------------------------------
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<thead>
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<th>---</th>
<th>Java</th>
<th>Python</th>
<th>Go</th>
<th>Website</th>
<th>Whitespace</th>
<th>Typescript</th>
</tr>
</thead>
<tbody>
<tr>
<td>Non-portable</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_Java_Cron/lastCompletedBuild/">
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</a><br>
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</a><br>
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<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_PythonDocker_Cron/badge/icon?subject=Docker">
</a><br>
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<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_PythonDocs_Cron/badge/icon?subject=Docs">
</a>
</td>
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<a href="https://ci-beam.apache.org/job/beam_PreCommit_Go_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Go_Cron/lastCompletedBuild/badge/icon">
</a>
</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_Website_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Website_Cron/lastCompletedBuild/badge/icon">
</a>
</td>
<td>
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<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Whitespace_Cron/lastCompletedBuild/badge/icon">
</a>
</td>
<td>
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<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Typescript_Cron/lastCompletedBuild/badge/icon">
</a>
</td>
</tr>
<tr>
<td>Portable</td>
<td>---</td>
<td>
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<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Portable_Python_Cron/lastCompletedBuild/badge/icon">
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<td>
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<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_GoPortable_Cron/lastCompletedBuild/badge/icon">
</a>
</td>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
</tbody>
</table>
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Issue Time Tracking
-------------------
Worklog Id: (was: 697502)
Remaining Estimate: 0h
Time Spent: 10m
> Python DeferredDataFrame.xs differs from Pandas
> -----------------------------------------------
>
> Key: BEAM-13421
> URL: https://issues.apache.org/jira/browse/BEAM-13421
> Project: Beam
> Issue Type: Bug
> Components: dsl-dataframe
> Affects Versions: 2.34.0
> Environment: Tested in Jupyter Notebook running in Docker.
> The docker file is produced by a modified version of https://github.com/fozziethebeat/gpu-jupyter/blob/master/.build/Dockerfile
> Reporter: Keith Stevens
> Assignee: Brian Hulette
> Priority: P2
> Time Spent: 10m
> Remaining Estimate: 0h
>
> When testing the `xs` method on DeferredDataFrames I'm seeing a few inconsistent results. I have two minimal examples that showcase the errors.
>
> First inconsistency: Beam's `xs` requries one left over index field while Pandas does not.
> {code:java}
> with beam.Pipeline(options=PipelineOptions()) as pipeline:
> df = pd.DataFrame(
> np.array([
> ['state', 'day1', 12],
> ['state', 'day1', 1],
> ['state', 'day2', 14],
> ['county', 'day1', 9],
> ]),
> columns=['provider', 'time', 'value'])
> # Create just one index field
> df = df.set_index(['provider'])
> df.to_parquet('test.parquet')
>
> # Should print out
> # time value
> # provider
> # state day1 12
> # state day1 1
> # state day2 14
> print(df.xs('state'))
>
> # Should emit the same data to a csv but instead dies due to
> # Cannot remove 1 levels from an index with 1 levels: at least one level must be left.
> test_df = (pipeline | read_parquet('test.parquet'))
> (
> test_df.xs('state').to_csv('test.csv')
> ) {code}
> Second inconsistency: Beam dies for no clear reason
> {code:java}
> import pandas as pd
> import numpy as npwith beam.Pipeline(options=PipelineOptions()) as pipeline:
> df = pd.DataFrame(
> np.array([
> ['state', 'day1', 12],
> ['state', 'day1', 1],
> ['state', 'day2', 14],
> ['county', 'day1', 9],
> ]),
> columns=['provider', 'time', 'value'])
> # Create two index fields to satisfy Beam
> df = df.set_index(['provider', 'time'])
> df.to_parquet('test.parquet')
>
> # Should print out
> # value
> # time
> # day1 12
> # day1 1
> # day2 14
> print(df.xs('state'))
>
> # Dies with no clear error at
> # /opt/conda/lib/python3.9/site-packages/apache_beam/dataframe/transforms.py in output_partitioning_in_stage(expr, stage)
> # 305
> # 306 # Anything that's not an input must have arguments
> # 307 assert len(expr.args())
> # 308
> # 309 arg_partitionings = set(
> test_df = (pipeline | read_parquet('test.parquet'))
> (
> test_df.xs('state').to_csv('test.csv')
> ) {code}
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