# SolrQuery::setFacetPrefix

(PECL solr >= 0.9.2)

SolrQuery::setFacetPrefix — Specifies a string prefix with which to limits the terms on which to facet

### 说明

public SolrQuery::setFacetPrefix(string `$prefix`, string `$field_override` = ?): SolrQuery

Specifies a string prefix with which to limits the terms on which to facet.

### 参数

`prefix`

  The prefix string

`field_override`

  The name of the field.

### 返回值

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

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