SolrCollapseFunction::setMax

(PECL solr >= 2.2.0)

SolrCollapseFunction::setMaxSelects the group heads by the max value of a numeric field or function query

说明

public SolrCollapseFunction::setMax(string $max): SolrCollapseFunction

Selects the group heads by the max value of a numeric field or function query.

参数

max

范例

示例 #1 SolrCollapseFunction::setMax() example

<?php

$func 
= new SolrCollapseFunction('field_name');

$func->setMax('sum(cscore(),field(some_field))');

$query = new SolrQuery('*:*');

$query->collapse($func);

?>