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

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bkamins merged 12 commits intomainfrom
bk/unique
Jan 28, 2023
Merged

add keep to nonunique, unique, and unique!#3260
bkamins merged 12 commits intomainfrom
bk/unique

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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

@bkamins bkamins requested a review from nalimilan December 31, 2022 18:32
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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.

Co-authored-by: Milan Bouchet-Valat <[email protected]>
@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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