[xsl] Flatten XML to load into Oracle DB

["Syrnev, Max" <Max_Syrnev@xxxxxxxxxxxxxxxxxxxx>]

Hello.
I have an XML file like this
<?xml version="1.0" encoding="ISO-8859-1"?>
<procind>F
   <timedate>20021119-08:26:59
      <group>group3
         <THEKEY>001001
            <FROMDATE>19851231
               <type>L
                  <SOMEGROUP>2530</SOMEGROUP>
                  <GIND>253010</GIND>
                  <SECTOR>25</SECTOR>
                  <SUBIND>25301040</SUBIND>
                  <TODATE>19860731</TODATE>
               </type>
            </FROMDATE>
         </THEKEY>
         <THEKEY>001003
            <FROMDATE>19860131
               <type>L
                  <SOMEGROUP>2520</SOMEGROUP>
                  <GIND>252010</GIND>
                  <SECTOR>25</SECTOR>
                  <SUBIND>25201020</SUBIND>
                  <TODATE>19870130</TODATE>
               </type>
            </FROMDATE>
            <FROMDATE>19870131
               <type>L
                  <SOMEGROUP>2550</SOMEGROUP>
                  <GIND>255030</GIND>
                  <SECTOR>25</SECTOR>
                  <SUBIND>25503020</SUBIND>
                  <TODATE>19880130</TODATE>
               </type>
            </FROMDATE>
         </THEKEY>
      </group>
   </timedate>
</procind>

, which I need to load into Oracle DB. It is very easy if I have following XML:

<ROWSET>
   <ROW num="1">
      <THEKEY>001001</THEKEY>
      <FROMDATE>19851231</FROMDATE>
      <type>L</type>
      <SOMEGROUP>2530</SOMEGROUP>
      <GIND>253010</GIND>
      <SECTOR>25</SECTOR>
      <SUBIND>25301040</SUBIND>
      <TODATE>19860731</TODATE>
   </ROW>
   <ROW num="2">
      <THEKEY>001003</THEKEY>
      <FROMDATE>19860131</FROMDATE>
      <type>L</type>
      <SOMEGROUP>2520</SOMEGROUP>
      <GIND>252010</GIND>
      <SECTOR>25</SECTOR>
      <SUBIND>25201020</SUBIND>
      <TODATE>19870130</TODATE>
   </ROW>
   <ROW num="3">
      <THEKEY>001003</THEKEY>
      <FROMDATE>19870131</FROMDATE>
      <type>L</type>
      <SOMEGROUP>2550</SOMEGROUP>
      <GIND>255030</GIND>
      <SECTOR>25</SECTOR>
      <SUBIND>25503020</SUBIND>
      <TODATE>19880130</TODATE>
   </ROW>
</ROWSET>

With XSL

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="1.0">
   <!--xsl:import href="copy.xsl"/-->
   <xsl:output method="xml" version="1.0" encoding="UTF-8" omit-xml-declaration="yes" indent="yes"/>
   
   <xsl:template match="/">
      <ROWSET>
      <xsl:apply-templates select="//THEKEY"/>
      </ROWSET>
   </xsl:template>
   
   <xsl:template match="*" mode="flatten">
      <xsl:choose>
         <xsl:when test="*">
            <xsl:element name="ROW">
               <xsl:if test="name()='FROMDATE'">
                  <xsl:attribute name="num"><xsl:number level="any"/></xsl:attribute>
               </xsl:if>
               <xsl:apply-templates mode="flatten"/>
            </xsl:element>
         </xsl:when>
         <xsl:otherwise>
            <xsl:copy-of select="."/>
         </xsl:otherwise>
      </xsl:choose>
   </xsl:template>
   
   <xsl:template match="text()" mode="flatten">
      <xsl:if test="normalize-space(.) != ''">
         <xsl:element name="{name(..)}">
            <xsl:value-of select="normalize-space(.)"/>
         </xsl:element>
      </xsl:if>
   </xsl:template>
   
   <xsl:template match="THEKEY">
      <xsl:apply-templates mode="flatten"/>
   </xsl:template>
   
</xsl:stylesheet>

I got

<ROWSET>
    <THEKEY>001001</THEKEY>
    <ROW num="1">
        <FROMDATE>19851231</FROMDATE>
        <ROW>
            <type>I</type>
            <SOMEGROUP>2530</SOMEGROUP>
            <GIND>253010</GIND>
            <SECTOR>25</SECTOR>
            <SUBIND>25301040</SUBIND>
            <TODATE>19860731</TODATE>
        </ROW>
    </ROW>
    <THEKEY>001003</THEKEY>
    <ROW num="2">
        <FROMDATE>19860131</FROMDATE>
        <ROW>
            <type>I</type>
            <SOMEGROUP>2520</SOMEGROUP>
            <GIND>252010</GIND>
            <SECTOR>25</SECTOR>
            <SUBIND>25201020</SUBIND>
            <TODATE>19870130</TODATE>
        </ROW>
    </ROW>
    <ROW num="3">
        <FROMDATE>19870131</FROMDATE>
        <ROW>
            <type>I</type>
            <SOMEGROUP>2550</SOMEGROUP>
            <GIND>255030</GIND>
            <SECTOR>25</SECTOR>
            <SUBIND>25503020</SUBIND>
            <TODATE>19880130</TODATE>
        </ROW>
    </ROW>
</ROWSET>

Can anyone give me a hand with this?

Thank you,

Maxim.
 
 
 
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