Php/docs/solrcollapsefunction.setnullpolicy
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SolrCollapseFunction::setNullPolicy
(PECL solr >= 2.2.0)
SolrCollapseFunction::setNullPolicy — Sets the NULL Policy
Description
public SolrCollapseFunction::setNullPolicy
( string $nullPolicy
) : SolrCollapseFunction
Sets the NULL Policy. One of the 3 policies defined as class constants shall be passed. Accepts ignore, expand, or collapse policies.
Parameters
nullPolicy