BaseX-Talk

basex-talk@mailman.uni-konstanz.de

4 participants
5268 discussions

Dynamic function invocation
by Andy Bunce 02 Nov '11

02 Nov '11

declare function local:add($x){ $x+1 }; let $b:=local:add return $b(4) Produces [XPTY0004] Variable(...): no empty sequence allowed. Have I got the syntax wrong, or is this a bug? /Andy

2 1

context for util:eval
by Andy Bunce 01 Nov '11

01 Nov '11

I notice Basex has a util:eval function similar to the eXist db one<http://demo.exist-db.org/exist/functions/util/eval>however it is not clear for the BaseX version what the inherited context, if any, is. The example on the eXist site: let $a := "Hello" return util:eval("$a") Fails with an undefined variable $a with BaseX 7.0.1 /Andy

4 6

very common attribute values/custom indexing
by Ross Judson 30 Oct '11

30 Oct '11

I have a database with the following characteristics: Database Properties Name: merge Size: 1165 MB Nodes: 45217101 Resources: 9 Timestamp: 30.10.2011 18:15:04 On my database, executing a query such as count(//summary[@totalDirs=0]) executes in about 30 seconds, returning a count of about 777,000 items. Executing count(//file[@length=0] also takes about 30 seconds, returning about 12,000. The query plans look like: <FNAggr name="count(item)"> <AxisPath> <RangeAccess data="merge" min="0" max="0" type="ATTRIBUTE"/> <IterStep axis="self" test="*:totalDirs"/> <IterStep axis="parent" test="*:summary"/> </AxisPath> </FNAggr> It's clear that BaseX goes to the attribute index, scans every entry there for the 0-0 range, then checks for the appropriate attribute and parent types. What this means is that very common attribute values can take a much longer time to run, even when the number of results, when discriminated by attribute name, is relatively small. The keys for the attribute index are simple values. Since this is an ordered/balanced structure, you can compound the key for free (sort of). Instead of using the attribute value as the key, use the index as a prefix map by compounding attribute value+attribute name (something like index.index(Token.concat(data.text(pre, text), data.name(pre)), pre);). I'm wondering if you've tried and rejected compounding the indexes like this. It's a common technique to use when indexing in triple stores (a few compound indexes allow you to have complete one-step indexing). With the additional discrimination provided you'd probably get a big jump in speed for the vast majority of queries, which won't be searching for an unknown attribute with a certain value. The query plan would become something like this: <FNAggr name="count(item)"> <AxisPath> <RangeAccess data="merge" min="0.self" max="0.self" type="ATTRIBUTE"/> <IterStep axis="parent" test="*:summary"/> </AxisPath> </FNAggr> where 0.self is the binary compound key. There's no reason to stop at compounding in the attribute name. You could also compound in the name of the element that owns the attribute, resulting in: <FNAggr name="count(item)"> <AxisPath> <RangeAccess data="merge" min="0.self.summary" max="0.self.summary" type="ATTRIBUTE"/> </AxisPath> </FNAggr> The down side to such an index would be increased key sizes in the attribute index, increased complexity handling numeric data, and some additional processing time. The up side would be an index with much more ability to discriminate across common attribute values. -- RJ

2 1

Wrong namespace for the EXPath HTTP Client function?
by Florent Georges 30 Oct '11

30 Oct '11

Hi, The following query: import module namespace http = "http://expath.org/ns/http-client"; http:send-request( <http:request href="http://google.com/" method="get"/>) returns the following error: Error: [XQST0059] Unknown module for namespace "http://expath.org/ns/http-client". The following one though is successful (even though it is not correct according to the HTTP Client spec) (note the element namespace and the function namespace are different): import module namespace http = "http://expath.org/ns/http"; declare namespace h = "http://expath.org/ns/http-client"; http:send-request( <h:request href="http://google.com/" method="get"/>) Regards, -- Florent Georges http://fgeorges.org/ http://h2oconsulting.be/

2 2

REST example wrong on wiki?
by Florent Georges 29 Oct '11

29 Oct '11

Hi, If I try the first POST example in the "Command Line" examples section at the end of http://docs.basex.org/wiki/REST, I get the following response from the REST server: HTTP/1.1 400 Bad Request Content-Length: 24 Server: Jetty(6.1.26) Unknown parameter: count For the records, the command is: curl -i -X POST -H "Content-Type: application/xml" \ -d "<query xmlns='http://www.basex.org/rest'><text>//city/name</text><parameter name='count' value='5'/></query>" \ "admin:admin@localhost:8984/rest/factbook" Regards, -- Florent Georges http://fgeorges.org/ http://h2oconsulting.be/

2 1

Database 'Products' contains more than one document.
by Erol Akarsu 27 Oct '11

27 Oct '11

This database has been working find with previous basex. but I just installed 7.0.1 version and receiving this error. Query: let $doc := fn:doc("Products") return $doc Error: [BASX0008] Database 'Products' contains more than one document. Erol Akarsu

2 3

Potential bug? Improper use?
by Pierre Pontic 26 Oct '11

26 Oct '11

Hello, I'm using BaseX to parse some crossed references data, and at a point, I think I get a loop reference. I think I will find where this loop reference is in my data using only proper Xquery, but I get a veeeeery long Java error (that why I suspect it's a recursive error, so a loop in my data references structure) I dont' think this log will be very usefull for you, so if you want my data files an request files, how can I send them ? (19 Ko zipped) Best Regards, Pierre Pontic Systèmes et Documents Error: Potential bug? Improper use? Your feedback is welcome: Contact: basex-talk(a)mailman.uni-konstanz.de Version: BaseX 7.0.1 Java: Sun Microsystems Inc., 1.6.0_21 OS: Windows 7, amd64 Stack Trace: java.lang.StackOverflowError java.util.regex.Pattern.skip(Unknown Source) java.util.regex.Pattern.escape(Unknown Source) java.util.regex.Pattern.atom(Unknown Source) java.util.regex.Pattern.sequence(Unknown Source) java.util.regex.Pattern.expr(Unknown Source) java.util.regex.Pattern.compile(Unknown Source) java.util.regex.Pattern.<init>(Unknown Source) java.util.regex.Pattern.compile(Unknown Source) org.basex.query.func.FNPat.pattern(FNPat.java:297) org.basex.query.func.FNPat.tokenize(FNPat.java:210) org.basex.query.func.FNPat.iter(FNPat.java:68) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.expr.Let$1.next(Let.java:90) org.basex.query.expr.FLWR$1.next(FLWR.java:62) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65) org.basex.query.expr.ParseExpr.value(ParseExpr.java:76) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.QueryContext.value(QueryContext.java:433) org.basex.query.expr.If.value(If.java:85) org.basex.query.expr.UserFunc.value(UserFunc.java:121) org.basex.query.expr.TailFuncCall.value(TailFuncCall.java:49) org.basex.query.expr.TailFuncCall.iter(TailFuncCall.java:59) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.If.iter(If.java:80) org.basex.query.QueryContext.iter(QueryContext.java:422) org.basex.query.expr.FLWR$1.next(FLWR.java:66) org.basex.query.expr.FLWR$1.next(FLWR.java:58) org.basex.query.iter.Iter.value(Iter.java:65)

2 1

Java direct access vs client/server
by Pascal Heus 25 Oct '11

25 Oct '11

All: >From the performance perspective in a Java application, it it better to go straight to the BaseX database or use a client/server approach (localhost). I would assume direct access should perform better but there might but cases where a server has the advantage (caching, multiple contexts, etc.) Would welcome your comments or experiences on this. many thanks *P

1 0

Installing on Ubuntu 11.04 or other Linux distributions
by Stanley Sokolow 25 Oct '11

25 Oct '11

Jan, I now have BaseXGui running fine on my Ubuntu 11.04 installation. I'm sending this to the mailing list so future potential users can see that it's quick and easy to install in Linux. The BaseX web site mentions that the system is in the Ubuntu 11.10 repositories, but I wasn't finding it in my 11.04 system. All that I had to do was to add the Debian repository to my list of repositories in Synaptic Package Manager, then click the reload button, and voila, there it was when I searched the Synaptic "All" files for "basex". A few clicks and I had it installed. But it didn't install an entry into the Applications menu, so I located it with "whereis" and launched it from a terminal window at /usr/bin/basexgui to confirm it worked. Then I created a desktop launcher for it, which only had a generic icon. There may be an icon in the BaseX Debian files, but I didn't find it quickly, so I copied the BaseX icon from my previous installation of it on my Windows 7 partition onto my desktop in Ubuntu. (I love that Ubuntu can read into Windows' file system on my dual-boot computer.) I clicked on the icon and it opened in an icon viewer, saved it to a folder in my user home. Then I changed the launcher to use that icon. It's pretty now. It created a database for me from a test xml file, so I'm good to go. The Debian repository entry in Synaptic is: "deb http://http.us.debian.org/debian sid main" (without the quote marks). You should use the appropriate URL for the Debian mirror site in your part of the world. Click on the Debian link at the BaseX.org downloads page, then click "all", and you'll see the available mirrors. Hope this helps others get started with BaseX on their Linux system, Stan

2 1

conditionally output cdata?
by Kevin S. Clarke 25 Oct '11

25 Oct '11

Hi, I'm trying to conditionally output CDATA, but don't seem to be finding the right syntax for it. This works: declare option output:cdata-section-elements "div"; <div><![CDATA['<div/>']]></div> But this doesn't: declare option output:cdata-section-elements "div"; <div>{ if (1 = 2) then '' else <![CDATA['<div/>']]> }</div> Any hints on how to do this? Thanks! Kevin

2 2

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