Search for empty property

[jerrycooper]

Hello,

I need in advanced search to search for documents with some empty properties.
I added the fields for that properties, bud I don't know how define empty string to search.

[smicyk]

Hi,

as far as I remember you can't search empty strings in Lucene but you can set property to null and then use ISNULL or ISNOTNULL to find empty properties.

Thanks,
smicyk