Daniel Noll wrote:
Patrick wrote:
Hi,
Can't seem to wrap my head around how to go about it.
I want to retrieve all documents where a certain field in not empty.
What would be the best way to do it?
The most trivial way would be to use a PrefixQuery with an empty string.
It won't be efficient unless you wrap it in a QueryFilter to cache the
result, but I found it to be "fast enough" even for relatively large
document sets.
Daniel
Also, search the archive...I think there is something you can do like
*:* NOT [* TO *]
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