(PECL solr >= 2.2.0)
SolrCollapseFunction::setHint — Sets collapse hint
$hint
Sets collapse hint
hint
Currently there is only one hint available "top_fc", which stands for top level FieldCache
SolrCollapseFunction
示例 #1 SolrCollapseFunction::setHint() example
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以上示例的输出类似于:
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