[jira] [Created] (LUCENE-7644) FieldComparatorSource.newComparator() doesn't need to throw IOException

["Alan Woodward (JIRA)" <ji...@apache.org>]

Alan Woodward created LUCENE-7644:
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             Summary: FieldComparatorSource.newComparator() doesn't need to throw IOException
                 Key: LUCENE-7644
                 URL: https://issues.apache.org/jira/browse/LUCENE-7644
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Alan Woodward
            Assignee: Alan Woodward
            Priority: Minor


All IO operations on FieldComparator are done in .getLeafComparator(), so there's no need to declare IOException on their constructors.

This bubbles back up and lets us remove throws clauses from a number of constructors, TopDocs.merge(), and so on.



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