Josh Wills created CRUNCH-239:
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Summary: Add support for unions of PTypes
Key: CRUNCH-239
URL: https://issues.apache.org/jira/browse/CRUNCH-239
Project: Crunch
Issue Type: Bug
Components: Core
Reporter: Josh Wills
Assignee: Josh Wills
There are a few core use cases (e.g., cogroups, as in CRUNCH-174) where it
would be useful to construct a union of multiple PTypes into a single PType,
where any given observation could only be of one of multiple/optional types.
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