This sounds perhaps as a non-ES use case, but I would like to have a single
document which has a certain flag boost to the top of the results.
I have ~10% of the documents with a flag. All documents (disregarding the
flag) are sorted on _timestamp. All fields have a _boost by default of 1.0.
Now I would like to keep the sort the same, except for the first
document matching a non-null value for specified flag. In other words, the
latest (chronologically) flagged document should be the 1st result, all
other documents (with or without flag) are sorted "just" based on
_timestamp.
Is this possible with ES? I have been thinking about the ES index where I
set a _boost value of >1.0 for a flagged document and each time I insert a
new flagged document, I update all flagged documents in the index with a
boost of 1.0, effectively resetting the boost every time. But as this is
such a nasty solution, I hope ES users will help me with some more insights
--
Jurian
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