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January 23, 2017 21:36
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XQuery type name introspection
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| declare function local:type($item as item()?) as xs:string { | |
| typeswitch ($item) | |
| (: NOTE: eXist doesn't support XML Schema 1.1 types yet | |
| case xs:dateTimeStamp return 'xs:dateTimeStamp' | |
| :) | |
| case xs:dateTime return 'xs:dateTime' | |
| case xs:date return 'xs:date' | |
| case xs:time return 'xs:time' | |
| case xs:yearMonthDuration return 'xs:yearMonthDuration' | |
| case xs:dayTimeDuration return 'xs:dayTimeDuration' | |
| case xs:duration return 'xs:duration' | |
| case xs:float return 'xs:float' | |
| case xs:double return 'xs:double' | |
| case xs:unsignedByte return 'xs:unsignedByte' | |
| case xs:unsignedShort return 'xs:unsignedShort' | |
| case xs:unsignedInt return 'xs:unsignedInt' | |
| case xs:unsignedLong return 'xs:unsignedLong' | |
| case xs:positiveInteger return 'xs:positiveInteger' | |
| case xs:nonNegativeInteger return 'xs:nonNegativeInteger' | |
| case xs:byte return 'xs:byte' | |
| case xs:short return 'xs:short' | |
| case xs:int return 'xs:int' | |
| case xs:long return 'xs:long' | |
| case xs:negativeInteger return 'xs:negativeInteger' | |
| case xs:nonPositiveInteger return 'xs:nonPositiveInteger' | |
| case xs:integer return 'xs:integer' | |
| case xs:decimal return 'xs:decimal' | |
| case xs:gYearMonth return 'xs:gYearMonth' | |
| case xs:gYear return 'xs:gYear' | |
| case xs:gMonthDay return 'xs:gMonthDay' | |
| case xs:gDay return 'xs:gDay' | |
| case xs:gMonth return 'xs:gMonth' | |
| case xs:ENTITY return 'xs:ENTITY' | |
| case xs:IDREF return 'xs:IDREF' | |
| case xs:ID return 'xs:ID' | |
| case xs:NCName return 'xs:NCName' | |
| case xs:Name return 'xs:Name' | |
| case xs:NMTOKEN return 'xs:NMTOKEN' | |
| case xs:language return 'xs:language' | |
| case xs:token return 'xs:token' | |
| case xs:normalizedString return 'xs:normalizedString' | |
| case xs:string return 'xs:string' | |
| case xs:boolean return 'xs:boolean' | |
| case xs:base64Binary return 'xs:base64Binary' | |
| case xs:hexBinary return 'xs:hexBinary' | |
| case xs:anyURI return 'xs:anyURI' | |
| case xs:QName return 'xs:QName' | |
| case map(*) return 'map' | |
| (: NOTE: only available in xquery 3.1 :) | |
| case array(*) return 'array' | |
| case function(*) return 'function' | |
| case document-node() return 'document-node' | |
| case element() return 'element' | |
| case attribute() return 'attribute' | |
| case processing-instruction() return 'processing-instruction' | |
| case comment() return 'comment' | |
| case text() return 'text' | |
| (: NOTE: eXist does not support namespace-node() test yet :) | |
| case node() return 'namespace-node' | |
| case empty-sequence() return 'empty-sequence' | |
| default return 'unknown' | |
| }; |
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eXist also has a built-in function for this:
util:get-sequence-type($sequence-type as xs:anyType*) as xs:string