Re: [basex-talk] UnaryLookup expression failure

Hi Günther, Thanks for the concise bug report. I stumbled across a similar issue just recently [1], so I’m glad to confirm that the latest BaseX 9.0 snapshot returns the correct result [2]. All the best, Christian [1] https://github.com/BaseXdb/basex/commit/ab52f2dde2628bbeac5da22898bf6e28f6826

[basex-talk] UnaryLookup expression failure

While testing some XQuery lookup expressions on BaseX 8.6.7, I got a wrong result for this one: (map{'a':(1,3)},map{'a':(2,4)})!?a[2] It should have returned the second item of the 'a' entry for each of the maps, i.e. 3 4 but it returns just 3 Apparently the predicate is ap