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SolrDisMaxQuery::setMinimumMatch — Set Minimum "Should" Match (mm)
Set Minimum "Should" Match parameter (mm). If the default query operator is AND then mm=100%, if the default query operator (q.op) is OR, then mm=0%.
valueMinimum match value/expression
Example #1 SolrDisMaxQuery::setMinimumMatch() example
<?php
$dismaxQuery = new SolrDisMaxQuery("lucene");
// 75% of the query clauses must match
$dismaxQuery->setMinimumMatch("75%");
echo $dismaxQuery . PHP_EOL;
?>
以上例程会输出：
q=lucene&defType=edismax&mm=75%