Thank you Ken. I see that "key" is doing the trick of inner join replacing
>xsl:if>


--- On Sun, 10/3/10, G. Ken Holman <gkholman@xxxxxxxxxxxxxxxxxxxx>
wrote:

> From: G. Ken Holman <gkholman@xxxxxxxxxxxxxxxxxxxx>
> Subject: Re:
 Mapping from two sources (~ inner join in DB)
> To:
xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Date: Sunday, October 3, 2010, 3:26 PM
> At
2010-10-03 11:56 -0700, sudheshna
> iyer wrote:
> > For the below question, I
got the answers from you
> using <xsl:for-each-group>. But my version of XSLT
is
> not supporting xsl:for-each-group.
> 
> Then it must be XSLT 1.0.
> 
> >
Is there a different way of implementing this?
> 
> Please find an XSLT 1.0
solution below that generates the
> output you specify.
> 
> I hope this
helps.
> 
> . . . . . . . . Ken
> 
> p.s. Which order/order-response
vocabularies are you
> using?  Have you considered using the OASIS Universal
>
Business Language (UBL) for such business documents?
> 
>
   http://docs.oasis-open.org/ubl/os-UBL-2.0/UBL-2.0.html
>
   http://docs.oasis-open.org/ubl/UBL-2.0-update.html
> 
> ~/t/ftemp $ cat
input1.xml
> <?xml version="1.0" encoding="ISO-8859-1"?>
> <Order>
>        
<OrderLine>
>                
>         <OLN>1</OLN>
>                
>      
  <Fname>aa</Fname>
>         </OrderLine>
>         <OrderLine>
>            
   
>         <OLN>2</OLN>
>                
>         <Fname>bb</Fname>
>    
    </OrderLine>
> </Order>
> ~/t/ftemp $ cat input2.xml
> <?xml version="1.0"
encoding="ISO-8859-1"?>
> <POOrder>
>         <POOrderLine>
>                
>         <OLN>1</OLN>
>                
>         <ID>123</ID>
>            
   
>         <LName>aa</LName>
>         </POOrderLine>
>        
<POOrderLine>
>                
>         <OLN>2</OLN>
>                
>    
    <ID>324</ID>
>                
>         <LName>bb</LName>
>        
</POOrderLine>
>         <POOrderLine>
>                
>        
<OLN>3</OLN>
>                
>         <ID>456</ID>
>                
>    
    <LName>bb</LName>
>         </POOrderLine>
> </POOrder>
> ~/t/ftemp $ cat
innerjoin.xsl
> <?xml version="1.0" encoding="US-ASCII"?>
> <xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
>                
>
version="1.0">
> 
> <xsl:output indent="yes"/>
> 
> <xsl:key
name="order-line-by-number" match="*[OLN]"
> use="OLN"/>
> 
> <xsl:template
match="/">
>   <xsl:variable name="input1"
> select="document('input1.xml')"/>
>   <xsl:variable name="input2"
> select="document('input2.xml')"/>
> 
>  
<OrderResponse>
>     <!--walk each order line-->
>     <xsl:for-each
>
select="$input1/Order/OrderLine">
>       <xsl:variable name="input1line"
>
select="."/>
>       <!--change context to the other
> file-->
>      
<xsl:for-each select="$input2">
>         <!--act only on the lines of
> equal
line number-->
>         <xsl:for-each
>
select="key('order-line-by-number',$input1line/OLN)">
>           <!--join the
> information from both files-->
>           <Oline>
>            
<xsl:copy-of
> select="OLN"/>
>             <xsl:copy-of
>
select="$input1line/Fname"/>
>             <xsl:copy-of
> select="ID"/>
>    
      </Oline>
>         </xsl:for-each>
>       </xsl:for-each>
>    
</xsl:for-each>
>   </OrderResponse>
> </xsl:template>
> 
> </xsl:stylesheet>
> ~/t/ftemp $ xslt innerjoin.xsl innerjoin.xsl
> <?xml version="1.0"
encoding="utf-8"?>
> <OrderResponse>
>    <Oline>
>       <OLN>1</OLN>
>      
<Fname>aa</Fname>
>       <ID>123</ID>
>    </Oline>
>    <Oline>
>      
<OLN>2</OLN>
>       <Fname>bb</Fname>
>       <ID>324</ID>
>    </Oline>
>
</OrderResponse>~/t/ftemp $
> 
> 
> > <?xml version="1.0"
encoding="ISO-8859-1"?>
> > <OrderResponse>
> >         <Oline>
> >           
 
>    <OLN>1</OLN>
> >             
>    <Fname>aa</Fname>
> >             
>
   <ID>123</ID>
> >         </Oline>
> >         <Oline>
> >             
>
   <OLN>2</OLN>
> >             
>    <Fname>bb</Fname>
> >             
>
   <ID>324</ID>
> >         </Oline>
> > </OrderResponse>
> 
> 
> --
>
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> G. Ken Holman           
>
     mailto:gkholman@xxxxxxxxxxxxxxxxxxxx
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>
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