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https://issues.apache.org/jira/browse/BEAM-12018?focusedWorklogId=591235&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-591235
]
ASF GitHub Bot logged work on BEAM-12018:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 29/Apr/21 21:01
Start Date: 29/Apr/21 21:01
Worklog Time Spent: 10m
Work Description: TheNeuralBit commented on a change in pull request
#14689:
URL: https://github.com/apache/beam/pull/14689#discussion_r623394660
##########
File path: sdks/python/apache_beam/dataframe/pandas_doctests_test.py
##########
@@ -711,6 +711,7 @@ def test_top_level(self):
wont_implement_ok={
'to_datetime': ['s.head()'],
'to_pickle': ['*'],
+ 'melt': ['*'],
Review comment:
similarly here, but based on [these
examples](https://pandas.pydata.org/docs/reference/api/pandas.melt.html)
##########
File path: sdks/python/apache_beam/dataframe/pandas_doctests_test.py
##########
@@ -208,10 +208,10 @@ def test_dataframe_tests(self):
],
'pandas.core.frame.DataFrame.sort_index': ['*'],
'pandas.core.frame.DataFrame.sort_values': ['*'],
+ 'pandas.core.frame.DataFrame.melt': ['*']
Review comment:
Could you modify this so it just skips the calls that don't work?
Unfortunately that will be most of them, since the defiault is
`ignore_index=True`, but based on
https://pandas.pydata.org/docs/reference/api/pandas.DataFrame.melt.html it
looks like we can at least run `df.melt(id_vars=['A'], value_vars=['B', 'C'],
ignore_index=False)`
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Issue Time Tracking
-------------------
Worklog Id: (was: 591235)
Time Spent: 1.5h (was: 1h 20m)
> Implement melt for DataFrame
> ----------------------------
>
> Key: BEAM-12018
> URL: https://issues.apache.org/jira/browse/BEAM-12018
> Project: Beam
> Issue Type: Improvement
> Components: sdk-py-core
> Reporter: Brian Hulette
> Assignee: Rogelio Miguel Hernandez Sandoval
> Priority: P3
> Labels: dataframe-api
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> Add an implementation for
> [melt|https://pandas.pydata.org/docs/reference/api/pandas.DataFrame.melt.html]
> that works for DeferredDataFrame, and is fully unit tested with some
> combination of pandas_doctests_test.py and frames_test.py.
> https://github.com/apache/beam/pull/14274 is an example of a typical PR that
> adds new operations.
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