Ivan SPM created SPARK-23673:
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Summary: PySpark dayofweek does not conform with ISO 8601
Key: SPARK-23673
URL: https://issues.apache.org/jira/browse/SPARK-23673
Project: Spark
Issue Type: Bug
Components: PySpark, Spark Core
Affects Versions: 2.3.0
Reporter: Ivan SPM
The new function dayofweek, that returns 1 = Sunday and 7 for Saturday, does
not conform with ISO 8601, that states that the first day of the week is
Monday, so 1 = Monday and 7 = Sunday. This behavior is also different from
Pandas, that uses 0 = Monday and 6 = Sunday, but pandas is at least consistent
with the ordering of ISO 8601.
[https://en.wikipedia.org/wiki/ISO_8601#Week_dates]
(Also reported by Antonio Pedro Vieira (aps.vieir...@gmail.com))
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