Paul Rogers created DRILL-7074:
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Summary: Fixes and improvements to the scan framework for CSV
Key: DRILL-7074
URL: https://issues.apache.org/jira/browse/DRILL-7074
Project: Apache Drill
Issue Type: Improvement
Affects Versions: 1.15.0
Reporter: Paul Rogers
Assignee: Paul Rogers
Fix For: 1.16.0
The scan framework is a new set of functionality, based on the result set
loader, which is in turn based on the row set abstraction. The scan framework
handles things like batch sizing, projection, null columns, implicit columns
and more.
Earlier commits added the basics. This PR refines the framework based on the
work needed to port the CSV (actually, the "compliant text reader") to the
framework. To keep PRs of reasonable size, this PR includes only the framework
changes, the actual revised reader will be in a separate PR.
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