Warnings needed for sorting on non existant or non indexed fields
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Key: LUCENE-459
URL: http://issues.apache.org/jira/browse/LUCENE-459
Project: Lucene - Java
Type: Bug
Components: Search
Versions: CVS Nightly - Specify date in submission
Environment: Operating System: other
Platform: Other
Reporter: Daniel Naber
Assigned to: Lucene Developers
While it's possible to search for fields that don't exist (you'll get 0 hits),
you'll get an exception if you try to sort by a field that has no values. The
exception is this:
if (termEnum.term() == null) {
throw new RuntimeException ("no terms in field " + field);
}
I'll attach a change suggested by Yonik Seeley that removes this exception.
Also, the if-condition above is incomplete anyway, so currently the exception
is not always thrown (as termEnum .term() might well be != null but point to a
term in a different field already)
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