Bill Graham created PIG-3063:
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Summary: Projection push down should support nested schemas
Key: PIG-3063
URL: https://issues.apache.org/jira/browse/PIG-3063
Project: Pig
Issue Type: Improvement
Reporter: Bill Graham
{{LoadPushDown.pushProjection(..)}} should support nested schemas. Currently
the {{RequiredFieldList}} passed to this method only include the top-level
fields so more granular projection at a lower level is not supported.
The data model already support this, since {{RequiredField.getSubFields()}}
exists, but subfields are not currently set. I'm not sure if this JIRA is a Bug
that these fields aren't set, or if it's an Improvement to set them.
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