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I need to find all the documents in my collection for which the length of a certain field exceeds a certain limit. The field's type is string. Is there a function query that returns the length of a string field in Solr?
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The solution is to use Solr's regex capabilities. For example, the following query retrieves all the documents for which the
titlefield is at least 42:Querying by length is not supported out of the box, the most sensible way would be to create a separate (numeric) field and query by this field.