etseidl opened a new pull request, #6871:
URL: https://github.com/apache/arrow-rs/pull/6871
# Which issue does this PR close?
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Closes #182.
It's an old issue, so perhaps this change is not wanted, in which case this
can be closed.
# Rationale for this change
Allows projecting columns by name rather than index.
# What changes are included in this PR?
Adds a new method `ProjectionMask::columns` which takes a list of column
names and returns a `ProjectionMask`.
# Are there any user-facing changes?
New API call.
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