Maxim Gekk created SPARK-24722:
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Summary: Column-based API for pivoting
Key: SPARK-24722
URL: https://issues.apache.org/jira/browse/SPARK-24722
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.4.0
Reporter: Maxim Gekk
Currently, the pivot() function accepts the pivot column as a string. It is not
consistent to groupBy API and causes additional problem of using nested columns
as the pivot column.
`Column` support is needed for (a) API consistency, (b) user productivity and
(c) performance. In general, we should follow to the POLA -
https://en.wikipedia.org/wiki/Principle_of_least_astonishment in designing of
the API.
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