Query improvements #1040
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Query improvements #1040
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The join to retrieve the attachment count per item turned out to be very expensive. And it is not used anymore for the result, only to support fulltext search. It is now removed from the query. The DISTINCT keyword is also removed, because it is not necessary and it is expensive. With the DISTINCT removed, a new index (provided in the previous commit) can now be used to avoid sorting items.
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