- From: Adam Retter <adam@exist-db.org>
- Date: Sun, 3 Jan 2016 19:52:50 +0000
- To: Michael Kay <mike@saxonica.com>
- Cc: Public Joint XSLT XQuery XPath <public-xsl-query@w3.org>
> I am torn here. Are other products exploiting the freedom which we give to implementors in this area? Are users of those products complaining? Or are implementors showing restraint by finding a compromise between performance and usability?
>
eXist does not do much in the way of predicate reordering, currently
we suggest to users to put the most selective predicates first as we
evaluate them from left-to-right. In future, we could do more
intelligent reordering based on index statistics.
--
Adam Retter
eXist Developer
{ United Kingdom }
adam@exist-db.org
irc://irc.freenode.net/existdb
Received on Sunday, 3 January 2016 19:53:19 UTC