- BaseX-Talk - mailman.uni-konstanz.de

very common attribute values/custom indexing
by Ross Judson 31 Oct '11

31 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 30 Oct '11

30 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 27 Oct '11

27 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)

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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

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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

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BaseX 7.x windows drive letter regression?
by chadical 25 Oct '11

25 Oct '11

Greets- Just bumped to 7.0.1 and java api calls to cmd.Add are failing with 'invalid filename' anytime a path is passed in that includes a drive letter such as "C:/dir/test.xml". If I remove the "C:" it works.... Also tried upper/lower case drive letter. other api calls such as an xquery that writes to an output file (file:write('c:/dir/output.xml',$results) works fine... Next, if I pull out the c:, the add document fails with a "Document is empty." Switch back to 6.8 and everything works fine... win32 jdk6_u29 Regards, Chad

2 1

Jetty settings?
by Pascal Heus 24 Oct '11

24 Oct '11

All: when using the Jetty httpserver, is there a way to: - Turn on http compression - Requires the connection to take place over SSL (https only) thanks *P

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