On Mar 2, 2009, at 6:34 AM, dabboo wrote:
Can somebody please tell me as what is the actual difference between q.alt &
q parameter queries.

The query parser used is the difference you're hitting. q is parsed by the setting of defType, whereas q.alt is parsed by default using the "lucene" (Solr's subclass) query parser.

I am trying to do the wildcard search with q query parameter, which is
supported by q.alt parameter. Please let me know how it is treating the
query with wildcard in case of q.alt parameter.

You can set defType=lucene to get the q parameter parsed using the Solr subclass of Lucene's query parser, which supports wildcard queries.

        Erik

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