Make DisjunctionMaxQueryParser generally useful by supporting all query types.
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Key: SOLR-756
URL: https://issues.apache.org/jira/browse/SOLR-756
Project: Solr
Issue Type: Improvement
Affects Versions: 1.3
Reporter: David Smiley
This is an enhancement to the DisjunctionMaxQueryParser to work on all the
query variants such as wildcard, prefix, and fuzzy queries, and to support
working in "AND" scenarios that are not processed by the min-should-match
DisMax QParser. This was not in Solr already because DisMax was only used for a
very limited syntax that didn't use those features. In my opinion, this makes a
more suitable base parser for general use because unlike the Lucene/Solr
parser, this one supports multiple default fields whereas other ones (say
Yonik's {!prefix} one for example, can't do dismax). The notion of a single
default field is antiquated and a technical under-the-hood detail of Lucene
that I think Solr should shield the user from by on-the-fly using a DisMax when
multiple fields are used.
(patch to be attached soon)
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