How do I search for those document in a SOLR index which do not contain a specified field?
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问题:
回答1:
-field:[* TO *]
In SolrNet, use a negated SolrHasValueQuery
How do I search for those document in a SOLR index which do not contain a specified field?
-field:[* TO *]
In SolrNet, use a negated SolrHasValueQuery
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