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add keep to nonunique, unique, and unique! #3260

Merged
merged 12 commits into from
Jan 28, 2023
Merged

add keep to nonunique, unique, and unique! #3260

merged 12 commits into from
Jan 28, 2023

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bkamins
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@bkamins bkamins commented Dec 31, 2022

Fixes #2443

Additionally row_group_slots is renamed to row_group_slots! because it modifies one of its arguments.

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bkamins commented Dec 31, 2022

CC @jariji (naming of new argument)

@bkamins bkamins added this to the 1.5 milestone Dec 31, 2022
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jariji commented Dec 31, 2022

LGTM

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bkamins commented Jan 1, 2023

@nalimilan - in the PR I also improve performance of deduplicating in case we deduplicate columns that have refpools. Unfortunately this means that the PR gets a bit more complex now.

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bkamins and others added 5 commits January 9, 2023 09:51
Co-authored-by: Milan Bouchet-Valat <nalimilan@club.fr>
Co-authored-by: Milan Bouchet-Valat <nalimilan@club.fr>
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Co-authored-by: Milan Bouchet-Valat <nalimilan@club.fr>
@bkamins bkamins merged commit 4446a3d into main Jan 28, 2023
@bkamins bkamins deleted the bk/unique branch January 28, 2023 14:49
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bkamins commented Jan 28, 2023

Thank you!

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Allow keeping first or last observation with unique function
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