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
Return Values
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https://www.php.net/manual/en/solrcollapsefunction.setnullpolicy.php
