schematron xml date comparison in not working. , returns false error. think using schematron 1.01. using c# , dll msdn: msdn schematron link
here error output (by way passes xsd validation):
from pattern "check co-occurrence constraints" assert fails: visitdate must within valid date range specified in databegindate , dataenddate at: /mydata[1]/site[1]/patient[1]/form_baseline[1]/dat_visitdate[1] <dat_visitdate signedwho="system" value="2009-02-02">...</dat_visitdate> (line: 7, column: 10) schematron rule:
<sch:rule context="mydata/site/patient/form_baseline/dat_visitdate"> <sch:assert test="@value > //mydata/@databegindate">visitdate must within valid date range specified in databegindate , dataenddate</sch:assert> </sch:rule> xml:
<?xml version="1.0" encoding="utf-8"?> <mydata xmlns:xsd="http://www.w3.org/2001/xmlschema" xmlns:xsi="http://www.w3.org/2001/xmlschema-instance" databegindate="2008-01-01" dataenddate="2011-04-26"> <site sitekey="11"> <patient patientkey="33"> <dat_statusdate signedwho="system" value="2009-01-01" /> <form_baseline> <dat_visitdate signedwho="system" value="2009-02-02" /> </form_baseline> <form_flowsheet visitdatekey="2009-03-03"> <dat_otherdate signedwho="system" value="2009-03-03" /> </form_flowsheet> </patient> </site> </mydata> xsd:
<?xml version="1.0" encoding="utf-8"?> <xs:schema xmlns:xs="http://www.w3.org/2001/xmlschema" xmlns:xsi="http://www.w3.org/2001/xmlschema-instance" xmlns:sch="http://www.ascc.net/xml/schematron"> <xs:annotation> <xs:appinfo> <sch:title>schematron validation</sch:title> </xs:appinfo> </xs:annotation> <xs:simpletype name="datemydate"> <xs:restriction base="xs:date"> <xs:mininclusive value="2000-01-01"/> </xs:restriction> </xs:simpletype> <xs:simpletype name="integermykey"> <xs:restriction base="xs:integer"> <xs:mininclusive value="1"/> <xs:maxinclusive value="9999"/> </xs:restriction> </xs:simpletype> <xs:simpletype name="stringnonempty"> <xs:restriction base="xs:string"> <xs:minlength value="1"/> <xs:maxlength value="32"/> </xs:restriction> </xs:simpletype> <xs:element name="mydata"> <xs:complextype> <xs:sequence> <xs:element name="site" minoccurs="1" maxoccurs="1"> <xs:complextype> <xs:sequence> <xs:element name="patient" minoccurs="0" maxoccurs="unbounded"> <xs:complextype> <xs:sequence> <xs:element name="dat_statusdate" minoccurs="1" maxoccurs="1"> <xs:complextype> <xs:attribute name="value" type="datemydate" use="required" /> <xs:attribute name="signedwho" type="stringnonempty" use="required" /> </xs:complextype> </xs:element> <xs:element name="form_baseline" minoccurs="0" maxoccurs="1"> <xs:complextype> <xs:sequence> <xs:element name="dat_visitdate" minoccurs="1" maxoccurs="1"> <xs:complextype> <xs:annotation> <xs:appinfo> <sch:pattern name="check co-occurrence constraints"> <sch:rule context="mydata/site/patient/form_baseline/dat_visitdate"> <sch:assert test="@value > //mydata/@databegindate"> visitdate must within valid date range specified in databegindate , dataenddate </sch:assert> </sch:rule> </sch:pattern> </xs:appinfo> </xs:annotation> <xs:attribute name="value" type="datemydate" use="required" /> <xs:attribute name="signedwho" type="stringnonempty" use="required" /> </xs:complextype> </xs:element> </xs:sequence> </xs:complextype> </xs:element> <xs:element name="form_flowsheet" minoccurs="0" maxoccurs="unbounded"> <xs:complextype> <xs:sequence> <xs:element name="dat_otherdate" minoccurs="1" maxoccurs="1"> <xs:complextype> <xs:attribute name="value" type="datemydate" use="required" /> <xs:attribute name="signedwho" type="stringnonempty" use="required" /> </xs:complextype> </xs:element> </xs:sequence> <xs:attribute name="visitdatekey" type="datemydate" use="required" /> </xs:complextype> </xs:element> </xs:sequence> <xs:attribute name="patientkey" type="stringnonempty" use="required" /> </xs:complextype> </xs:element> </xs:sequence> <xs:attribute name="sitekey" type="integermykey" use="required" /> </xs:complextype> </xs:element> </xs:sequence> <xs:attribute name="databegindate" type="datemydate" use="required" /> <xs:attribute name="dataenddate" type="datemydate" use="required" /> </xs:complextype> </xs:element> </xs:schema>
found answer:
xpath 1.0 uses comparison operators < , > numbers. must convert dates number value.
<sch:assert test="translate(@value, '-', '') > translate(//mydata/@databegindate, '-', '')"> or more explicitly:
<sch:assert test="number(translate(@value, '-', '')) > number(translate(//mydata/@databegindate, '-', ''))"> 
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