SolrQuery::addMltQueryField

(PECL solr >= 0.9.2)

SolrQuery::addMltQueryField — Maps to mlt.qf

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public SolrQuery::addMltQueryField ( string $field , float $boost ) : SolrQuery

Maps to mlt.qf. It is used to specify query fields and their boosts

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field: The name of the field
boost: Its boost value

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