Hi Christian!, thanks for your reply :-) I've just downloaded the latest snapshot [1] and executed the query [2], and yes: the problem is still there.
Cheers, Sebastian. [1] https://imgur.com/ahgMg7p [2] https://imgur.com/tDCAtCu On Mon, May 11, 2020 at 3:58 PM Christian Grün <christian.gr...@gmail.com> wrote: > Maybe it's a newbie issue, but I would like your comments. >> > > …definitely something you shouldn't encounter as a newbie either ;) Thanks > for reporting it. > > Does the exception also occur with the latest snapshot [1]? > > Cheers > Christian > > [1] http://files.basex.org/releases/latest/ > > > > > >> I'm writing a RESTXQ method to search among a couple of databases. ( >100 >> databases ) >> >> Some databases are split into a couple of parts due to the number of >> nodes. For example US: it's separated into US00, US01 and US02. >> >> So, my problem is: >> >> if I replace "*for $usPart in ('US00')*" by "*for $usPart in >> ('US00','US01',''US02)*" in *QUERY [A]*, I get this error: >> >> *Improper use? Potential bug? Your feedback is welcome:* >> *Contact: basex-talk@mailman.uni-konstanz.de >> <basex-talk@mailman.uni-konstanz.de>* >> *Version: BaseX 9.3.2* >> *Java: Oracle Corporation, 1.8.0_251* >> *OS: Windows 10, amd64* >> *Stack Trace: * >> *java.lang.NullPointerException* >> * at org.basex.query.expr.path.Path.index(Path.java:673)* >> * at org.basex.query.expr.path.Path.optimize(Path.java:157)* >> * at org.basex.query.expr.gflwor.For.toPredicate(For.java:220)* >> * at org.basex.query.expr.gflwor.GFLWOR.optimizeWhere(GFLWOR.java:532)* >> * at org.basex.query.expr.gflwor.GFLWOR.optimize(GFLWOR.java:109)* >> * at org.basex.query.expr.gflwor.GFLWOR.compile(GFLWOR.java:100)* >> * at org.basex.query.expr.Extension.compile(Extension.java:45)* >> * at org.basex.query.expr.SwitchGroup.compile(SwitchGroup.java:40)* >> * at org.basex.query.expr.Switch.compile(Switch.java:60)* >> * at org.basex.query.expr.gflwor.GFLWOR.compile(GFLWOR.java:96)* >> * at org.basex.query.expr.gflwor.ForLet.compile(ForLet.java:43)* >> * at org.basex.query.expr.gflwor.GFLWOR.compile(GFLWOR.java:90)* >> * at org.basex.query.scope.MainModule.comp(MainModule.java:81)* >> * at org.basex.query.QueryCompiler.compile(QueryCompiler.java:114)* >> * at org.basex.query.QueryCompiler.compile(QueryCompiler.java:105)* >> * at org.basex.query.QueryContext.compile(QueryContext.java:312)* >> * at org.basex.query.QueryProcessor.compile(QueryProcessor.java:79)* >> >> >> Using "*for $usPart in ('US00')*" it works without any problem. With one >> element there is no problem, with two or more it fails. >> >> Any ideas about what I'm doing wrong? >> >> Here is the >> *QUERY [A]* >> >> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- >> declare namespace gb="http://www.ipo.gov.uk/schemas/tm";; >> >> let $text:="christian" >> let $registries:=('GB','US') >> >> let $results := >> for $registry in $registries >> return >> switch ($registry) >> >> case "US" >> return >> (# db:enforceindex #) { >> for $usPart in ('US00') >> for $tmUS in >> db:open($usPart)/trademark-applications-daily/application-information/file-segments/action-keys/case-file >> where $tmUS/case-file-header/mark-identification/text() >> contains text {$text} using stemming >> return >> <trademark><ipo>US</ipo><text>{$tmUS/case-file-header/mark-identification/text()}</text></trademark> >> } >> >> case "GB" >> return >> (# db:enforceindex #) { >> for $tmGB in >> db:open('GB')/gb:MarkLicenceeExportList/gb:TradeMark >> where >> $tmGB/gb:WordMarkSpecification/gb:MarkVerbalElementText/text() contains >> text {$text} >> return >> <trademark><ipo>GB</ipo><text>{$tmGB/gb:WordMarkSpecification/gb:MarkVerbalElementText/text()}</text></trademark> >> >> } >> >> default return "" >> >> return >> <result> >> <total>{count($results)}</total> >> <trademarks> >> { >> for $result in $results >> return $result >> } >> </trademarks> >> </result> >> >> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- >> >> Regards, >> Sebastian >> >
