File name changed

On 05/11/2017 10:11 AM, celano at informatik.uni-leipzig.de wrote: > > Hi All, > > It is not clear to me why, when I tried to save the result of one > query in a file called 6-2.xml, BaseX automatically converted this > name into 4.xml. Similar name changes happened with files I wanted to > name 1-2.xml and 10-2.xml. > > I attach part of the query info output (with highlights for the > relevant points) > > Query: > declare variable $pp := doc("/cluster/home/g/files/all.xml")/d/t; for > $s at $c in collection("/cluster/home/g/files/splitted-db/")[6] return > file:write("/cluster/home/g/results2/" || 6-2 || ".xml", <sub-db>{ for > $e in $s//d let $db := $pp[$e/p = ./p and $e/f = ./f] return if ($db) > then element d {$e/@*, $e/*, for $u in $db/l return element e > {$u/text()}} else $e }</sub-db> ) > > Compiling: > - pre-evaluating doc("/cluster/home/g/files/all.xml") > - pre-evaluating collection("/cluster/home/g/files/splitted-db/") > - rewriting ((db:open-pre("splitted-db",0), ...))[position() = 6] > - type check removed: $c_2 as xs:integer > - pre-evaluating (6 - 2) > - pre-evaluating concat("/cluster/home/g/results2/", 4, ".xml") > - rewriting descendant-or-self step(s) > - swapping operands: (p = $e_3/*:p) > - swapping operands: (f = $e_3/*:f) > - rewriting ((p = $e_3/*:p) and (f = $e_3/*:f)) to predicate(s) > - pre-evaluating boolean((p = $e_3/*:p)) > - pre-evaluating boolean((f = $e_3/*:f)) > - rewriting singleton for to let > - inlining $s_1 > - converting descendant::*:d to child steps > - inlining $c_2 > - simplifying flwor expression > > Best, > Giuseppe >

> Hi Guiseppe, > > well, BaseX is smart and figures out that 6-2 is 4 ;) When you just use > the numbers, XQuery will assume it is an xs:integer, so accordingly it > will compute the result. If you want to use it as string you have to > enclose it in "", i.e. > > "/cluster/home/g/results2/" || "6-2" || ".xml" > > although the concatenation in this case would not be necessary. > > Cheers > > Dirk > > > On 05/11/2017 10:11 AM, celano at informatik.uni-leipzig.de wrote: >> >> Hi All, >> >> It is not clear to me why, when I tried to save the result of one >> query in a file called 6-2.xml, BaseX automatically converted this >> name into 4.xml. Similar name changes happened with files I wanted to >> name 1-2.xml and 10-2.xml. >> >> I attach part of the query info output (with highlights for the >> relevant points) >> >> Query: >> declare variable $pp := doc("/cluster/home/g/files/all.xml")/d/t; for >> $s at $c in collection("/cluster/home/g/files/splitted-db/")[6] return >> file:write("/cluster/home/g/results2/" || 6-2 || ".xml", <sub-db>{ for >> $e in $s//d let $db := $pp[$e/p = ./p and $e/f = ./f] return if ($db) >> then element d {$e/@*, $e/*, for $u in $db/l return element e >> {$u/text()}} else $e }</sub-db> ) >> >> Compiling: >> - pre-evaluating doc("/cluster/home/g/files/all.xml") >> - pre-evaluating collection("/cluster/home/g/files/splitted-db/") >> - rewriting ((db:open-pre("splitted-db",0), ...))[position() = 6] >> - type check removed: $c_2 as xs:integer >> - pre-evaluating (6 - 2) >> - pre-evaluating concat("/cluster/home/g/results2/", 4, ".xml") >> - rewriting descendant-or-self step(s) >> - swapping operands: (p = $e_3/*:p) >> - swapping operands: (f = $e_3/*:f) >> - rewriting ((p = $e_3/*:p) and (f = $e_3/*:f)) to predicate(s) >> - pre-evaluating boolean((p = $e_3/*:p)) >> - pre-evaluating boolean((f = $e_3/*:f)) >> - rewriting singleton for to let >> - inlining $s_1 >> - converting descendant::*:d to child steps >> - inlining $c_2 >> - simplifying flwor expression >> >> Best, >> Giuseppe >> > > -- > Dirk Kirsten, BaseX GmbH, http://basexgmbh.de > |-- Firmensitz: Blarerstrasse 56, 78462 Konstanz > |-- Registergericht Freiburg, HRB: 708285, Geschäftsführer: > | Dr. Christian Grün, Dr. Alexander Holupirek, Michael Seiferle > `-- Phone: 0049 7531 91 68 276, Fax: 0049 7531 20 05 22