Fixed, thanks. Filter expressions were rewritten to path expressions, which may be subject to further index rewritings. In the given case, due to the positional predicates, this was incorrect. A new snapshot is online. On Tue, Apr 17, 2018 at 3:06 PM, Giuseppe Celano <celano@informatik.uni-leipzig.de> wrote:

Hi,

It seems there is an error with the collection function. Something like this:

collection("directory")[5]

does not return anything in 9.0 but it does in 8.6.7

Best, Giuseppe

Universität Leipzig Institute of Computer Science, Digital Humanities Augustusplatz 10 04109 Leipzig Deutschland E-mail: celano@informatik.uni-leipzig.de E-mail: giuseppegacelano@gmail.com Web site 1: http://www.dh.uni-leipzig.de/wo/team/ Web site 2: https://sites.google.com/site/giuseppegacelano/