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Posted to issues@arrow.apache.org by "Ian Cook (Jira)" <ji...@apache.org> on 2021/08/04 18:22:00 UTC
[jira] [Created] (ARROW-13561) [C++] Implement week kernel that
accepts DayOfWeekOptions
Ian Cook created ARROW-13561:
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Summary: [C++] Implement week kernel that accepts DayOfWeekOptions
Key: ARROW-13561
URL: https://issues.apache.org/jira/browse/ARROW-13561
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Ian Cook
Arrow has an {{iso_week}} compute kernel that follows the [ISO 8601 week date definition|https://en.wikipedia.org/wiki/ISO_week_date#First_week]. Add another kernel (maybe named {{week}}) that lets you specify options for how exactly to count weeks, like MySQL's week function: [https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_week|https://www.google.com/url?q=https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html%23function_week&sa=D&source=editors&ust=1628103672101000&usg=AFQjCNHap0KtiiZ83G_PVRPz5T7z6y-lIQ]. I think we can reuse the existing {{DayOfWeekOptions}} to specify the options.
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