SolrCollapseFunction::__construct

(PECL solr >= 2.2.0)

SolrCollapseFunction::__construct — Constructor

说明

public SolrCollapseFunction::__construct ([ string $field ] )

Collapse Function constructor

参数

field

The field name to collapse on.

In order to collapse a result. The field type must be a single valued String, Int or Float.

范例

Example #1 SolrCollapseFunction::__construct() example

  <?php

 include  "bootstrap.php" ;

 $options  = array
(
     'hostname'  =>  SOLR_SERVER_HOSTNAME ,
     'login'     =>  SOLR_SERVER_USERNAME ,
     'password'  =>  SOLR_SERVER_PASSWORD ,
     'port'      =>  SOLR_SERVER_PORT ,
     'path'      =>  SOLR_SERVER_PATH
 );

 $client  = new  SolrClient ( $options );

 $query  = new  SolrQuery ( '*:*' );

 $func  = new  SolrCollapseFunction ( 'field_name' );

 $func -> setMax ( 'sum(cscore(),field(some_other_field))' );
 $func -> setSize ( 100 );
 $func -> setNullPolicy ( SolrCollapseFunction :: NULLPOLICY_EXPAND );

 $query -> collapse ( $func );

 $queryResponse  =  $client -> query ( $query );

 $response  =  $queryResponse -> getResponse ();

 print_r ( $response );

 ?>

参见

SolrQuery::collapse() - Collapses the result set to a single document per group