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Merged
merged 3 commits into from
Jun 5, 2022
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REGR: concat not sorting columns for mixed column names #47206

merged 3 commits into from
Jun 5, 2022

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phofl
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@phofl phofl commented Jun 3, 2022

The except clause can be removed in 1.5 through handling cases like [1, "a", None] in algorithms, but this would change the behavior a bit so would avoid backporting

@phofl phofl added Reshaping Concat, Merge/Join, Stack/Unstack, Explode Regression Functionality that used to work in a prior pandas version labels Jun 3, 2022
@phofl phofl added this to the 1.4.3 milestone Jun 3, 2022
simonjayhawkins
simonjayhawkins reviewed Jun 3, 2022
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Thanks @phofl

pandas/core/indexes/api.py Outdated
if sort:
try:
index = index.sort_values()
index_sorted = safe_sort(index)
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for clarity, can you rename index_sorted as the return type from safe_sort is an numpy array and not an index.

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Good point, done

@jreback jreback merged commit a54ac87 into pandas-dev:main Jun 5, 2022
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jreback commented Jun 5, 2022

very nice @phofl

meeseeksmachine pushed a commit to meeseeksmachine/pandas that referenced this pull request Jun 5, 2022
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Backport PR pandas-dev#47206: REGR: concat not sorting columns for mi…
368b846 
…xed column names
@meeseeksmachine meeseeksmachine mentioned this pull request Jun 5, 2022
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jreback commented Jun 5, 2022

@meeseeksdev backport 1.4.x

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lumberbot-app bot commented Jun 5, 2022

Could not push to auto-backport-of-pr-47206-on-1.4.x due to error, aborting.

simonjayhawkins pushed a commit that referenced this pull request Jun 6, 2022
@meeseeksmachine @phofl
Backport PR #47206 on branch 1.4.x (REGR: concat not sorting columns …
75a799c 
…for mixed column names) (#47251)

Backport PR #47206: REGR: concat not sorting columns for mixed column names

Co-authored-by: Patrick Hoefler <61934744+phofl@users.noreply.github.com>
@phofl phofl deleted the 47127 branch June 6, 2022 20:48
This was referenced Jun 13, 2022
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@simonjayhawkins simonjayhawkins mentioned this pull request Jun 27, 2022
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@orbeckst orbeckst mentioned this pull request Jun 30, 2022
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yehoshuadimarsky pushed a commit to yehoshuadimarsky/pandas that referenced this pull request Jul 13, 2022
@phofl @yehoshuadimarsky
REGR: concat not sorting columns for mixed column names (pandas-dev#4…
4c4100f 
…7206)
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Regression Functionality that used to work in a prior pandas version Reshaping Concat, Merge/Join, Stack/Unstack, Explode

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BUG: concat column order behaviors changes after 1.4

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