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SolrDisMaxQuery::removeQueryField — Removes a Query Field (qf parameter)
Removes a Query Field (qf parameter) from the field list added by SolrDisMaxQuery::addQueryField()
qf: When building DisjunctionMaxQueries from the user's query it specifies the fields to search in, and boosts for those fields.
fieldField Name
Example #1 SolrDisMaxQuery::removeQueryField() example
<?php
$dismaxQuery = new SolrDisMaxQuery('lucene');
$dismaxQuery
->addQueryField('first', 3)
->addQueryField('second', 0.2)
->addQueryField('cat');
echo $dismaxQuery . PHP_EOL;
// remove field 'second'
echo $dismaxQuery->removeQueryField('second');
?>
以上例程的输出类似于：
q=lucene&defType=edismax&qf=first^3 second^0.2 cat q=lucene&defType=edismax&qf=first^3 cat