You have a left parenthesis rather than a left brace in that first fq
example.
-- Jack Krupansky
-----Original Message-----
From: Apache Wiki
Sent: Thursday, October 24, 2013 3:44 PM
To: Apache Wiki
Subject: [Solr Wiki] Update of "CollapsingQParserPlugin" by JoelBernstein
Dear Wiki user,
You have subscribed to a wiki page or wiki category on "Solr Wiki" for
change notification.
The "CollapsingQParserPlugin" page has been changed by JoelBernstein:
https://wiki.apache.org/solr/CollapsingQParserPlugin?action=diff&rev1=3&rev2=4
Collapse based on the highest scoring document:
- fq=(!collapse field=field_name}
+ fq=(!collapse field=field_name}
Collapse based on the min value of a numeric field:
- fq={!collapse field=field_name min=field_name}
+ fq={!collapse field=field_name min=field_name}
Collapse based on the max value of a numeric field:
- q={!collapse field=field_name max=field_name}
+ q={!collapse field=field_name max=field_name}
Collapse with a null policy:
- fq={!collapse field=field_name nullPolicy=nullPolicy}
+ fq={!collapse field=field_name nullPolicy=nullPolicy}
There are three null policies:
- ignore : removes docs with a null value in the collapse field (default).
+ ignore : removes docs with a null value in the collapse field (default).
- expand : treats each doc with a null value in the collapse field as a
separate group.
+ expand : treats each doc with a null value in the collapse field as a
separate group.
- collapse : collapses all docs with a null value into a single group using
either highest score, or min/max.
+ collapse : collapses all docs with a null value into a single group using
either highest score, or min/max.
The CollapsingQParserPlugin fully supports the QueryElevationComponent.
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