Re: [xsl] Grouping into a hierarchy

["Spencer Tickner" <spencertickner@xxxxxxxxx>]

Sorry Typo,, you can remove the empty LineItem template.

Cheers,

Spencer

On Dec 11, 2007 11:23 AM, Spencer Tickner <spencertickner@xxxxxxxxx> wrote:
> Hi Tim,
>
> For someone that's been there <xsl:for-each> statements are rarely the
> way to go. The following stylesheet should solve your problem. I left
> it verbose as it may help you follow some of the logic. Also you
> didn't have any attributes in your example but I handled them just in
> case:
>
>
> <?xml version='1.0'?>
> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
>
> <xsl:template match="/">
>         <xsl:apply-templates/>
> </xsl:template>
>
> <xsl:template match="WorkData">
> <xsl:copy>
>         <xsl:copy-of select="@*"/>
>                 <Orders>
>                         <xsl:apply-templates/>
>                 </Orders>
> </xsl:copy>
> </xsl:template>
>
> <xsl:template match="Detail"/>
>
> <xsl:template match="Headers"><xsl:apply-templates/></xsl:template>
>
> <xsl:template match="Header">
>         <xsl:variable name="currPO" select="PO_NBR"/>
>         <Order>
>                 <hdr>
>                 <xsl:apply-templates/>
>                 </hdr>
>                 <xsl:if test="/WorkData/Detail/LineItem[PO_NBR = PO_NBR]">
>                         <LineItems>
>                                 <xsl:apply-templates select="/WorkData/Detail/LineItem[PO_NBR = $currPO]"/>
>                         </LineItems>
>                 </xsl:if>
>         </Order>
> </xsl:template>
>
> <xsl:template match="LineItem">
>
> </xsl:template>
>
> <xsl:template match="Header/PO_NBR">
>         <xsl:copy>
>                 <xsl:copy-of select="@*"/>
>                         <xsl:apply-templates/>
>         </xsl:copy>
> </xsl:template>
>
> <xsl:template match="Header/PROC_IND">
>         <xsl:copy>
>                 <xsl:copy-of select="@*"/>
>                         <xsl:apply-templates/>
>         </xsl:copy>
> </xsl:template>
>
> <xsl:template match="LineItem">
>         <xsl:copy>
>                 <xsl:copy-of select="@*"/>
>                 <xsl:apply-templates/>
>         </xsl:copy>
> </xsl:template>
> <xsl:template match="LineItem/PO_NBR">
>         <xsl:copy>
>                 <xsl:copy-of select="@*"/>
>                 <xsl:apply-templates/>
>         </xsl:copy>
> </xsl:template>
> <xsl:template match="LineItem/LINE_ITEM_NBR">
>         <xsl:copy>
>                 <xsl:copy-of select="@*"/>
>                 <xsl:apply-templates/>
>         </xsl:copy>
> </xsl:template>
> <xsl:template match="LineItem/BG_ID">
>         <xsl:copy>
>                 <xsl:copy-of select="@*"/>
>                 <xsl:apply-templates/>
>         </xsl:copy>
> </xsl:template>
> <!-- expected Merged hierarchy output-->
>
> </xsl:stylesheet>
>
> Hope that's what you wanted.
>
> Cheers,
>
> Spencer
>
>
> On Dec 11, 2007 9:49 AM, Tim <timlhunt@xxxxxxxxxxxxxx> wrote:
> > Hi. I have a newbie question. I have been able to extract data from two
> > tables, into a work area like below. The data is below with a  stlesheet
> > to try to merge them, but I get all the detail.
> >
> > <?xml version="1.0" encoding="UTF-8"?>
> > <WorkData>
> >     <Headers>
> >         <Header>
> >             <PO_NBR>138513</PO_NBR>
> >             <PROC_IND>N</PROC_IND>
> >         </Header>
> >         <Header>
> >             <PO_NBR>138522</PO_NBR>
> >             <PROC_IND>N</PROC_IND>
> >         </Header>
> >     </Headers>
> >
> >     <Detail>
> >         <LineItem>
> >             <PO_NBR>138513</PO_NBR>
> >             <LINE_ITEM_NBR>1</LINE_ITEM_NBR>
> >             <BG_ID>VL 81268</BG_ID>
> >         </LineItem>
> >         <LineItem>
> >             <PO_NBR>138513</PO_NBR>
> >             <LINE_ITEM_NBR>2</LINE_ITEM_NBR>
> >             <BG_ID>VL 81200</BG_ID>
> >         </LineItem>
> >         <LineItem>
> >             <PO_NBR>138522</PO_NBR>
> >             <LINE_ITEM_NBR>1</LINE_ITEM_NBR>
> >             <BG_ID>VL 81265</BG_ID>
> >         </LineItem>
> >     </Detail>
> > </WorkData>
> >
> > <!-- expected Merged hierarchy output-->
> > <WorkData>
> >     <Orders>
> >         <Order>
> >             <hdr>
> >                 <PO_NBR>138513</PO_NBR>
> >                 <PROC_IND>N</PROC_IND>
> >             </hdr>
> >             <LineItems>
> >                 <LineItem>
> >                     <PO_NBR>138513</PO_NBR>
> >                     <LINE_ITEM_NBR>1</LINE_ITEM_NBR>
> >                     <BG_ID>VL 81268</BG_ID>
> >                 </LineItem>
> >                 <LineItem>
> >                     <PO_NBR>138513</PO_NBR>
> >                     <LINE_ITEM_NBR>2</LINE_ITEM_NBR>
> >                     <BG_ID>VL 81200</BG_ID>
> >                 </LineItem>
> >             </LineItems>
> >         </Order>
> >         <Order>
> >             <hdr>
> >                 <PO_NBR>138522</PO_NBR>
> >                 <PROC_IND>N</PROC_IND>
> >             </hdr>
> >             <LineItems>
> >                 <LineItem>
> >                     <PO_NBR>138522</PO_NBR>
> >                     <LINE_ITEM_NBR>1</LINE_ITEM_NBR>
> >                     <BG_ID>VL 81265</BG_ID>
> >                 </LineItem>
> >             </LineItems>
> >         </Order>
> >     </Orders>
> > </WorkData>
> >
> > <!-- My XSL so far gets all the detail, rather than associating detail
> > with the correct header portion: -->
> > <?xml version="1.0"?>
> > <xsl:stylesheet version="1.0"
> > xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
> >     <xsl:template match="/WorkData/Headers/Header">
> >         <xsl:for-each select="/WorkData/Headers/Header">
> >             <xsl:value-of select="."/>
> >             <xsl:for-each select="/WorkData/Detail/LineItem/*">
> >                 <xsl:value-of select="."/>
> >                 <xsl:text>&#xA;</xsl:text>
> >             </xsl:for-each>
> >             <xsl:text>-+-&#xA;</xsl:text>
> >         </xsl:for-each>
> >     </xsl:template>
> > </xsl:stylesheet>