bug in when using group_by with order_by - Githubissues

ibis-project / ibis

the portable Python dataframe library

https://ibis-project.org

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bug in when using group_by with order_by #10019

Open samlalwani opened 1 week ago

samlalwani commented 1 week ago

What happened?

Refer to issue from zulip chat : https://ibis-project.zulipchat.com/#narrow/stream/405265-tech-support/topic/ffill.20issue.20with.20text.20columns/near/466435587

When order_by in goup_by() or first() is given we expect the first value in the group to be selected but that does not happen

What version of ibis are you using?

Name Version Build Channel

ibis-duckdb 9.3.0 hd8ed1ab_0 conda-forge ibis-framework-core 9.3.0 pyhd8ed1ab_0 conda-forge

What backend(s) are you using, if any?

DuckDB

Name Version Build Channel

ibis-duckdb 9.3.0 hd8ed1ab_0 conda-forge python-duckdb 1.0.0 py311hda3d55a_0 conda-forge

ibis_ffill_error.py.txt test_data.csv

Relevant log output

No response

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cpcloud commented 1 week ago

Thanks for the report!