Github user tigerquoll commented on the issue:
https://github.com/apache/spark/pull/21308
@rdblue when you say "you don't think the API proposed here needs to
support a first-class partition concept", are you referring to the
"DeleteSupport" Interface, or to DataSourceV2 in general?
If you are referring to DeleteSupport, then do you have the same objections
to a separate "DropPartition"/"AddPartition" interface?
If you mean that you don't think DataSourceV2 requires supporting
partitions as a first-class concept, then how are users of spark supposed to
perform operations like
1. adding,
2. altering,
3. removing, and
4. listing
partitions on those data-sources that are represented by particular
instances of DatasourceV2?
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