hntd187 opened a new pull request #1033:
URL: https://github.com/apache/arrow-rs/pull/1033
…eturning a new schema with those columns only
# Which issue does this PR close?
Closes #1014.
# Rationale for this change
See #1014 but a lot of code can be simplified and also fix silent bugs with
handling metadata.
# What changes are included in this PR?
2 methods on Schema and RecordBatch to allow them to project on their
schemas.
# Are there any user-facing changes?
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