Joel Bernstein created SOLR-5720:
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Summary: Add ExpandComponent, which expands results collapsed by
the CollapsingQParserPlugin
Key: SOLR-5720
URL: https://issues.apache.org/jira/browse/SOLR-5720
Project: Solr
Issue Type: New Feature
Affects Versions: 5.0, 4.7
Reporter: Joel Bernstein
Priority: Minor
This ticket introduces a new search component called the ExpandComponent. The
expand component expands a single page of results collapsed by the
CollapsingQParserPlugin.
Sample syntax:
q=*:*&fq={!collapse
field=fieldA}&expand=true&expand.sort=fieldB+asc&expand.rows=10
In the above query the results are collapsed on "fieldA" with the
CollapsingQParserPlugin. The expand component expands the current page of
collapsed results.
The initial implementation of the ExpandComponent takes three parameters:
*strong*expand=true*strong* (Turns on the ExpandComponent)
*strong*expand.sort=fieldB+asc,fieldC+desc*strong* (Sorts the documents based
on a sort spec. If none is specified the documents are sorted by relevance
based on the main query.)
*strong*expand.rows=10*strong* (Sets the numbers of rows that groups are
expanded to).
The ExpandComponent
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