# SolrQuery::setFacetMissing

(PECL solr >= 0.9.2)

SolrQuery::setFacetMissing — Maps to facet.missing

### Description

public SolrQuery::setFacetMissing ( bool `$flag` [, string `$field_override` ] ) : SolrQuery

Used to indicate that in addition to the Term-based constraints of a facet field, a count of all matching results which have no value for the field should be computed

### Parameters

`flag`

  `TRUE` turns this feature on. `FALSE` disables it.

`field_override`

  The name of the field.

### Return Values

Returns the current SolrQuery object, if the return value is used.