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From "Beach, Daniel" <Daniel.Be...@spglobal.com>
Subject Querying fields that don't exist in every collection
Date Wed, 18 Oct 2017 19:15:18 GMT
Hello all,

I'm running into an issue where adding a field to the qf changes the parsed query if that
field doesn't exist in the Solr index. Our use case for doing this is that we have multiple
collections and many of our queries leverage aliases to search across several of them simultaneously.
While we have a common group of fields that is shared across schemas, it is often the case
that we need to use collection-specific fields to boost one content type over another.

Here is the query debug output from a query that only searches on existing fields. This is
the intended outcome.

    q=companies%20NOT%20brands*&qf=Text&wt=json&debug=query&defType=edismax

    "rawquerystring":"companies NOT brands*",
    "querystring":"companies NOT brands*",
    "parsedquery":"(+(DisjunctionMaxQuery((Text:company)) -DisjunctionMaxQuery((Text:brands*))))/no_coord",
    "parsedquery_toString":"+((Text:company) -(Text:brands*))",
    "QParser":"ExtendedDismaxQParser",


When a "BOGUS" field name is added to the second query suddenly the query operators aren't
interpreted correctly, and wildcards get dropped.

    q=companies%20NOT%20brands*&qf=Text%20BOGUS&wt=json&debug=query&defType=edismax

    "rawquerystring":"companies NOT brands*",
    "querystring":"companies NOT brands*",
    "parsedquery":"(+(DisjunctionMaxQuery((Text:company)) DisjunctionMaxQuery((Text:not))
DisjunctionMaxQuery((Text:brand))))/no_coord",
    "parsedquery_toString":"+((Text:company) (Text:not) (Text:brand))",
    "QParser":"ExtendedDismaxQParser"


These results are from Solr 6.5.0 and 5.5, querying against a single collection endpoint.
Is this Solr's expected functionality? Hopefully I'm just blanking on something simple here.

Thanks,
Daniel Beach

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