Compiling:
- pre-evaluating fn:collection("ALL-CDIS")
- pre-evaluating ("ALKY", "AYMD")
- rewriting ((db:open-pre("ALL-CDIS",0), db:open-pre("ALL-CDIS",747), ...)/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:geographicElement/gmd:EX_GeographicBoundingBox/gmd:westBoundLongitude/gco:Decimal >= "13.708333")
- rewriting ((db:open-pre("ALL-CDIS",0), db:open-pre("ALL-CDIS",747), ...)/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:geographicElement/gmd:EX_GeographicBoundingBox/gmd:eastBoundLongitude/gco:Decimal <= "15.708333")
- rewriting ((db:open-pre("ALL-CDIS",0), db:open-pre("ALL-CDIS",747), ...)/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:geographicElement/gmd:EX_GeographicBoundingBox/gmd:southBoundLatitude/gco:Decimal >= "45.6976667")
- rewriting ((db:open-pre("ALL-CDIS",0), db:open-pre("ALL-CDIS",747), ...)/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:geographicElement/gmd:EX_GeographicBoundingBox/gmd:northBoundLatitude/gco:Decimal <= "55.6976667")
- pre-evaluating "2012-03-30T09:07:00" cast as xs:dateTime
- atomic evaluation of (fn:string($x_0/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:temporalElement/gmd:EX_TemporalExtent/gmd:extent/gml:TimePeriod/gml:beginPosition) cast as xs:dateTime >= "2012-03-30T09:07:00")
- pre-evaluating "2012-04-30T09:07:00" cast as xs:dateTime
- atomic evaluation of (fn:string($x_0/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:temporalElement/gmd:EX_TemporalExtent/gmd:extent/gml:TimePeriod/gml:beginPosition) cast as xs:dateTime <= "2012-04-30T09:07:00")
- removing context expression (.)
- removing context expression (.)
- atomic evaluation of (fn:string(gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:temporalElement/gmd:EX_TemporalExtent/gmd:extent/gml:TimePeriod/gml:beginPosition) cast as xs:dateTime >= "2012-03-30T09:07:00")
- removing context expression (.)
- atomic evaluation of (fn:string(gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:temporalElement/gmd:EX_TemporalExtent/gmd:extent/gml:TimePeriod/gml:beginPosition) cast as xs:dateTime <= "2012-04-30T09:07:00")
- removing context expression (.)
- removing context expression (.)
- removing context expression (.)
- removing context expression (.)
- removing context expression (.)
- rewriting where clause(s)
Query:
xquery version "3.0"; declare namespace gco = "http://www.isotc211.org/2005/gco"; declare namespace gmd = "http://www.isotc211.org/2005/gmd"; declare namespace gml = "http://www.opengis.net/gml"; declare namespace gmx="http://www.isotc211.org/2005/gmx"; declare namespace sdn = "http://www.seadatanet.org"; declare namespace fn = "http://www.w3.org/2005/xpath-functions"; declare namespace xs = "http://www.w3.org/2001/XMLSchema"; for $x in collection("ALL-CDIS") where $x/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:descriptiveKeywords[*]/gmd:MD_Keywords/gmd:keyword[*]/sdn:SDN_ParameterDiscoveryCode/@codeListValue = ("ALKY","AYMD") and /gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:geographicElement/gmd:EX_GeographicBoundingBox/gmd:westBoundLongitude/gco:Decimal >= "13.708333" and /gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:geographicElement/gmd:EX_GeographicBoundingBox/gmd:eastBoundLongitude/gco:Decimal <= "15.708333" and /gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:geographicElement/gmd:EX_GeographicBoundingBox/gmd:southBoundLatitude/gco:Decimal >= "45.6976667" and /gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:geographicElement/gmd:EX_GeographicBoundingBox/gmd:northBoundLatitude/gco:Decimal <= "55.6976667" and xs:dateTime(string($x/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:temporalElement/gmd:EX_TemporalExtent/gmd:extent/gml:TimePeriod/gml:beginPosition)) >= xs:dateTime("2012-03-30T09:07:00") and xs:dateTime(string($x/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:temporalElement/gmd:EX_TemporalExtent/gmd:extent/gml:TimePeriod/gml:beginPosition)) <= xs:dateTime("2012-04-30T09:07:00") and $x/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:descriptiveKeywords[*]/gmd:MD_Keywords/gmd:keyword/sdn:SDN_DeviceCategoryCode/@codeListValue = 130 and $x/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:descriptiveKeywords[*]/gmd:MD_Keywords/gmd:keyword/sdn:SDN_EDMERPCode/@codeListValue = 7827 and $x/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:citedResponsibleParty/gmd:CI_ResponsibleParty/gmd:organisationName/sdn:SDN_EDMOCode/@codeListValue = 120 and $x/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:citedResponsibleParty/gmd:CI_ResponsibleParty/gmd:role/gmd:CI_RoleCode/@codeListValue="originator" and $x/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:resourceConstraints[*]/gmd:MD_LegalConstraints/gmd:otherConstraints/gmx:Anchor/text() = "unrestricted" order by string($x/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:alternateTitle/gco:CharacterString) return string($x/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:alternateTitle/gco:CharacterString)
Optimized Query:
if(((db:open-pre("ALL-CDIS",0), db:open-pre("ALL-CDIS",747), ...)/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:geographicElement/gmd:EX_GeographicBoundingBox/gmd:eastBoundLongitude/gco:Decimal <= "15.708333" and "45.6976667" <= (db:open-pre("ALL-CDIS",0), db:open-pre("ALL-CDIS",747), ...)/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:geographicElement/gmd:EX_GeographicBoundingBox/gmd:southBoundLatitude/gco:Decimal and (db:open-pre("ALL-CDIS",0), db:open-pre("ALL-CDIS",747), ...)/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:geographicElement/gmd:EX_GeographicBoundingBox/gmd:northBoundLatitude/gco:Decimal <= "55.6976667" and "13.708333" <= (db:open-pre("ALL-CDIS",0), db:open-pre("ALL-CDIS",747), ...)/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:geographicElement/gmd:EX_GeographicBoundingBox/gmd:westBoundLongitude/gco:Decimal)) then for $x_0 in (db:open-pre("ALL-CDIS",0), db:open-pre("ALL-CDIS",747), ...)[(gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:descriptiveKeywords[*]/gmd:MD_Keywords/gmd:keyword[*]/sdn:SDN_ParameterDiscoveryCode/@codeListValue = ("ALKY", "AYMD"))][(fn:string(gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:temporalElement/gmd:EX_TemporalExtent/gmd:extent/gml:TimePeriod/gml:beginPosition) cast as xs:dateTime >= "2012-03-30T09:07:00")][(fn:string(gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:extent/gmd:EX_Extent/gmd:temporalElement/gmd:EX_TemporalExtent/gmd:extent/gml:TimePeriod/gml:beginPosition) cast as xs:dateTime <= "2012-04-30T09:07:00")][(gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:descriptiveKeywords[*]/gmd:MD_Keywords/gmd:keyword/sdn:SDN_DeviceCategoryCode/@codeListValue = 130)][(gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:descriptiveKeywords[*]/gmd:MD_Keywords/gmd:keyword/sdn:SDN_EDMERPCode/@codeListValue = 7827)][(gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:citedResponsibleParty/gmd:CI_ResponsibleParty/gmd:organisationName/sdn:SDN_EDMOCode/@codeListValue = 120)][(gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:citedResponsibleParty/gmd:CI_ResponsibleParty/gmd:role/gmd:CI_RoleCode/@codeListValue = "originator")][(gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:resourceConstraints[*]/gmd:MD_LegalConstraints/gmd:otherConstraints/gmx:Anchor/text() = "unrestricted")] order by fn:string($x_0/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:alternateTitle/gco:CharacterString) empty least return fn:string($x_0/gmd:MD_Metadata/gmd:identificationInfo/sdn:SDN_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:alternateTitle/gco:CharacterString) else ()
Result:
- Hit(s): 1 Item
- Updated: 0 Items
- Printed: 6 Bytes
- Read Locking: local [ALL-CDIS]
- Write Locking: none
Timing:
- Parsing: 1.6 ms
- Compiling: 3.97 ms
- Evaluating: 39518.62 ms
- Printing: 1.92 ms
- Total Time: 39526.11 ms
Query plan:
<QueryPlan>
  <If>
    <And>
      <CmpSR min="" max="15.708333">
        <IterPath>
          <DBNodeSeq size="374739">
            <DBNode name="ALL-CDIS" pre="0"/>
            <DBNode name="ALL-CDIS" pre="747"/>
            <DBNode name="ALL-CDIS" pre="1494"/>
            <DBNode name="ALL-CDIS" pre="2197"/>
            <DBNode name="ALL-CDIS" pre="2900"/>
          </DBNodeSeq>
          <IterStep axis="child" test="gmd:MD_Metadata"/>
          <IterStep axis="child" test="gmd:identificationInfo"/>
          <IterStep axis="child" test="sdn:SDN_DataIdentification"/>
          <IterStep axis="child" test="gmd:extent"/>
          <IterStep axis="child" test="gmd:EX_Extent"/>
          <IterStep axis="child" test="gmd:geographicElement"/>
          <IterStep axis="child" test="gmd:EX_GeographicBoundingBox"/>
          <IterStep axis="child" test="gmd:eastBoundLongitude"/>
          <IterStep axis="child" test="gco:Decimal"/>
        </IterPath>
      </CmpSR>
      <CmpSR min="45.6976667" max="">
        <IterPath>
          <DBNodeSeq size="374739">
            <DBNode name="ALL-CDIS" pre="0"/>
            <DBNode name="ALL-CDIS" pre="747"/>
            <DBNode name="ALL-CDIS" pre="1494"/>
            <DBNode name="ALL-CDIS" pre="2197"/>
            <DBNode name="ALL-CDIS" pre="2900"/>
          </DBNodeSeq>
          <IterStep axis="child" test="gmd:MD_Metadata"/>
          <IterStep axis="child" test="gmd:identificationInfo"/>
          <IterStep axis="child" test="sdn:SDN_DataIdentification"/>
          <IterStep axis="child" test="gmd:extent"/>
          <IterStep axis="child" test="gmd:EX_Extent"/>
          <IterStep axis="child" test="gmd:geographicElement"/>
          <IterStep axis="child" test="gmd:EX_GeographicBoundingBox"/>
          <IterStep axis="child" test="gmd:southBoundLatitude"/>
          <IterStep axis="child" test="gco:Decimal"/>
        </IterPath>
      </CmpSR>
      <CmpSR min="" max="55.6976667">
        <IterPath>
          <DBNodeSeq size="374739">
            <DBNode name="ALL-CDIS" pre="0"/>
            <DBNode name="ALL-CDIS" pre="747"/>
            <DBNode name="ALL-CDIS" pre="1494"/>
            <DBNode name="ALL-CDIS" pre="2197"/>
            <DBNode name="ALL-CDIS" pre="2900"/>
          </DBNodeSeq>
          <IterStep axis="child" test="gmd:MD_Metadata"/>
          <IterStep axis="child" test="gmd:identificationInfo"/>
          <IterStep axis="child" test="sdn:SDN_DataIdentification"/>
          <IterStep axis="child" test="gmd:extent"/>
          <IterStep axis="child" test="gmd:EX_Extent"/>
          <IterStep axis="child" test="gmd:geographicElement"/>
          <IterStep axis="child" test="gmd:EX_GeographicBoundingBox"/>
          <IterStep axis="child" test="gmd:northBoundLatitude"/>
          <IterStep axis="child" test="gco:Decimal"/>
        </IterPath>
      </CmpSR>
      <CmpSR min="13.708333" max="">
        <IterPath>
          <DBNodeSeq size="374739">
            <DBNode name="ALL-CDIS" pre="0"/>
            <DBNode name="ALL-CDIS" pre="747"/>
            <DBNode name="ALL-CDIS" pre="1494"/>
            <DBNode name="ALL-CDIS" pre="2197"/>
            <DBNode name="ALL-CDIS" pre="2900"/>
          </DBNodeSeq>
          <IterStep axis="child" test="gmd:MD_Metadata"/>
          <IterStep axis="child" test="gmd:identificationInfo"/>
          <IterStep axis="child" test="sdn:SDN_DataIdentification"/>
          <IterStep axis="child" test="gmd:extent"/>
          <IterStep axis="child" test="gmd:EX_Extent"/>
          <IterStep axis="child" test="gmd:geographicElement"/>
          <IterStep axis="child" test="gmd:EX_GeographicBoundingBox"/>
          <IterStep axis="child" test="gmd:westBoundLongitude"/>
          <IterStep axis="child" test="gco:Decimal"/>
        </IterPath>
      </CmpSR>
    </And>
    <GFLWOR>
      <For>
        <Var name="$x" id="0"/>
        <CachedFilter>
          <DBNodeSeq size="374739">
            <DBNode name="ALL-CDIS" pre="0"/>
            <DBNode name="ALL-CDIS" pre="747"/>
            <DBNode name="ALL-CDIS" pre="1494"/>
            <DBNode name="ALL-CDIS" pre="2197"/>
            <DBNode name="ALL-CDIS" pre="2900"/>
          </DBNodeSeq>
          <CmpG op="=">
            <IterPath>
              <IterStep axis="child" test="gmd:MD_Metadata"/>
              <IterStep axis="child" test="gmd:identificationInfo"/>
              <IterStep axis="child" test="sdn:SDN_DataIdentification"/>
              <IterStep axis="child" test="gmd:descriptiveKeywords">
                <CachedPath>
                  <IterStep axis="child" test="*"/>
                </CachedPath>
              </IterStep>
              <IterStep axis="child" test="gmd:MD_Keywords"/>
              <IterStep axis="child" test="gmd:keyword">
                <CachedPath>
                  <IterStep axis="child" test="*"/>
                </CachedPath>
              </IterStep>
              <IterStep axis="child" test="sdn:SDN_ParameterDiscoveryCode"/>
              <IterStep axis="attribute" test="codeListValue"/>
            </IterPath>
            <StrSeq size="2">
              <Str value="ALKY" type="xs:string"/>
              <Str value="AYMD" type="xs:string"/>
            </StrSeq>
          </CmpG>
          <CmpG op="&gt;=">
            <Cast type="xs:dateTime">
              <FNAcc name="string([item])">
                <IterPath>
                  <IterStep axis="child" test="gmd:MD_Metadata"/>
                  <IterStep axis="child" test="gmd:identificationInfo"/>
                  <IterStep axis="child" test="sdn:SDN_DataIdentification"/>
                  <IterStep axis="child" test="gmd:extent"/>
                  <IterStep axis="child" test="gmd:EX_Extent"/>
                  <IterStep axis="child" test="gmd:temporalElement"/>
                  <IterStep axis="child" test="gmd:EX_TemporalExtent"/>
                  <IterStep axis="child" test="gmd:extent"/>
                  <IterStep axis="child" test="gml:TimePeriod"/>
                  <IterStep axis="child" test="gml:beginPosition"/>
                </IterPath>
              </FNAcc>
            </Cast>
            <Dtm value="2012-03-30T09:07:00" type="xs:dateTime"/>
          </CmpG>
          <CmpG op="&lt;=">
            <Cast type="xs:dateTime">
              <FNAcc name="string([item])">
                <IterPath>
                  <IterStep axis="child" test="gmd:MD_Metadata"/>
                  <IterStep axis="child" test="gmd:identificationInfo"/>
                  <IterStep axis="child" test="sdn:SDN_DataIdentification"/>
                  <IterStep axis="child" test="gmd:extent"/>
                  <IterStep axis="child" test="gmd:EX_Extent"/>
                  <IterStep axis="child" test="gmd:temporalElement"/>
                  <IterStep axis="child" test="gmd:EX_TemporalExtent"/>
                  <IterStep axis="child" test="gmd:extent"/>
                  <IterStep axis="child" test="gml:TimePeriod"/>
                  <IterStep axis="child" test="gml:beginPosition"/>
                </IterPath>
              </FNAcc>
            </Cast>
            <Dtm value="2012-04-30T09:07:00" type="xs:dateTime"/>
          </CmpG>
          <CmpG op="=">
            <IterPath>
              <IterStep axis="child" test="gmd:MD_Metadata"/>
              <IterStep axis="child" test="gmd:identificationInfo"/>
              <IterStep axis="child" test="sdn:SDN_DataIdentification"/>
              <IterStep axis="child" test="gmd:descriptiveKeywords">
                <CachedPath>
                  <IterStep axis="child" test="*"/>
                </CachedPath>
              </IterStep>
              <IterStep axis="child" test="gmd:MD_Keywords"/>
              <IterStep axis="child" test="gmd:keyword"/>
              <IterStep axis="child" test="sdn:SDN_DeviceCategoryCode"/>
              <IterStep axis="attribute" test="codeListValue"/>
            </IterPath>
            <Int value="130" type="xs:integer"/>
          </CmpG>
          <CmpG op="=">
            <IterPath>
              <IterStep axis="child" test="gmd:MD_Metadata"/>
              <IterStep axis="child" test="gmd:identificationInfo"/>
              <IterStep axis="child" test="sdn:SDN_DataIdentification"/>
              <IterStep axis="child" test="gmd:descriptiveKeywords">
                <CachedPath>
                  <IterStep axis="child" test="*"/>
                </CachedPath>
              </IterStep>
              <IterStep axis="child" test="gmd:MD_Keywords"/>
              <IterStep axis="child" test="gmd:keyword"/>
              <IterStep axis="child" test="sdn:SDN_EDMERPCode"/>
              <IterStep axis="attribute" test="codeListValue"/>
            </IterPath>
            <Int value="7827" type="xs:integer"/>
          </CmpG>
          <CmpG op="=">
            <IterPath>
              <IterStep axis="child" test="gmd:MD_Metadata"/>
              <IterStep axis="child" test="gmd:identificationInfo"/>
              <IterStep axis="child" test="sdn:SDN_DataIdentification"/>
              <IterStep axis="child" test="gmd:citation"/>
              <IterStep axis="child" test="gmd:CI_Citation"/>
              <IterStep axis="child" test="gmd:citedResponsibleParty"/>
              <IterStep axis="child" test="gmd:CI_ResponsibleParty"/>
              <IterStep axis="child" test="gmd:organisationName"/>
              <IterStep axis="child" test="sdn:SDN_EDMOCode"/>
              <IterStep axis="attribute" test="codeListValue"/>
            </IterPath>
            <Int value="120" type="xs:integer"/>
          </CmpG>
          <CmpG op="=">
            <IterPath>
              <IterStep axis="child" test="gmd:MD_Metadata"/>
              <IterStep axis="child" test="gmd:identificationInfo"/>
              <IterStep axis="child" test="sdn:SDN_DataIdentification"/>
              <IterStep axis="child" test="gmd:citation"/>
              <IterStep axis="child" test="gmd:CI_Citation"/>
              <IterStep axis="child" test="gmd:citedResponsibleParty"/>
              <IterStep axis="child" test="gmd:CI_ResponsibleParty"/>
              <IterStep axis="child" test="gmd:role"/>
              <IterStep axis="child" test="gmd:CI_RoleCode"/>
              <IterStep axis="attribute" test="codeListValue"/>
            </IterPath>
            <Str value="originator" type="xs:string"/>
          </CmpG>
          <CmpG op="=">
            <IterPath>
              <IterStep axis="child" test="gmd:MD_Metadata"/>
              <IterStep axis="child" test="gmd:identificationInfo"/>
              <IterStep axis="child" test="sdn:SDN_DataIdentification"/>
              <IterStep axis="child" test="gmd:resourceConstraints">
                <CachedPath>
                  <IterStep axis="child" test="*"/>
                </CachedPath>
              </IterStep>
              <IterStep axis="child" test="gmd:MD_LegalConstraints"/>
              <IterStep axis="child" test="gmd:otherConstraints"/>
              <IterStep axis="child" test="gmx:Anchor"/>
              <IterStep axis="child" test="text()"/>
            </IterPath>
            <Str value="unrestricted" type="xs:string"/>
          </CmpG>
        </CachedFilter>
      </For>
      <OrderBy>
        <Key dir="ascending" empty="least">
          <FNAcc name="string([item])">
            <IterPath>
              <VarRef>
                <Var name="$x" id="0"/>
              </VarRef>
              <IterStep axis="child" test="gmd:MD_Metadata"/>
              <IterStep axis="child" test="gmd:identificationInfo"/>
              <IterStep axis="child" test="sdn:SDN_DataIdentification"/>
              <IterStep axis="child" test="gmd:citation"/>
              <IterStep axis="child" test="gmd:CI_Citation"/>
              <IterStep axis="child" test="gmd:alternateTitle"/>
              <IterStep axis="child" test="gco:CharacterString"/>
            </IterPath>
          </FNAcc>
        </Key>
      </OrderBy>
      <FNAcc name="string([item])">
        <IterPath>
          <VarRef>
            <Var name="$x" id="0"/>
          </VarRef>
          <IterStep axis="child" test="gmd:MD_Metadata"/>
          <IterStep axis="child" test="gmd:identificationInfo"/>
          <IterStep axis="child" test="sdn:SDN_DataIdentification"/>
          <IterStep axis="child" test="gmd:citation"/>
          <IterStep axis="child" test="gmd:CI_Citation"/>
          <IterStep axis="child" test="gmd:alternateTitle"/>
          <IterStep axis="child" test="gco:CharacterString"/>
        </IterPath>
      </FNAcc>
    </GFLWOR>
    <Empty size="0"/>
  </If>
</QueryPlan>