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SoLR - How to filter out records which do not have the field value for field listed in SORT?

Question:

In SoLR, We can set sortMissingLast=true on a field in the schema. If the SORT is on this field, it will to push the results which have missing field values to the end.

Is there a way to filter out the results whose sort field values are missing? Please advise.

Answer1:

If you want to restrict your query to documents that only have a certain field set, add the following parameter to your query:

sort_field_name:[* TO *]

This will limit the query to only those documents where the sort field exists.

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