JOIN - hope to receive an answer... maybe from a developer {Scanned} {Scanned}
Siki Zoltan
siki at AGT.BME.HU
Sun Jun 19 13:58:41 PDT 2005
Dear Paul,
I have given an example for multiple join, see in the archive.
Item number 2796.
http://lists.umn.edu/cgi-bin/wa?A2=ind0412&L=mapserver-users&P=R15784&I=-3&X=68D2EA4ED8F073B0B9&Y=siki%40agt.bme.hu
Bye
Zoltan
On Fri, 17 Jun 2005, william paul wrote:
> Hi,
>
> I am not very advanced with MAPSEVER, but still...
> Does anyone have EVER successfully used JOIN OBJECT? I want to join a DBF with a SHP (MULTIPLE JOIN)
>
> In Mapserver reference file (http://mapserver.gis.umn.edu/doc44/mapfile-reference.html#join) it is written "Joins are defined within a query object." WHAT IT MEANS? the map file should look like:
> LAYER
> ....
> QUERY
> JOIN
> etc
> I tried like this but I receive the error :loadLayer(): Unknown identifier. Parsing error near (QUERY)
> obvious the map file should look different
>
> I have the shape (COUNTY.SHP) file with the following fields (ITEMS): SHAPE, CODE
> I have the DBF (CODE.DBF) file with the following fields (ITEMS): CODE, COUNTY, TOWN, YEAR
> I wanted to join them (MULTIPLE JOIN=ONE TO MANY), so I used as Mapserver reference say:
>
> LAYER
> ......
> HEADER 'templates/code_header.html'
> FOOTER 'templates/code_footer.html'
> TOLERANCE 3
>
> CLASS
> COLOR 200 0 200
> SIZE 10
> SYMBOL "circule"
> TEMPLATE 'templates/code.html'
> END
>
> JOIN
> FROM CODE
> NAME CODE_JOIN
> TABLE "E:\mapserver\shp\CODE.DBF"
> TEMPLATE "templates\CODE.HTML"
> TO CODE
> TYPE multiple
> END
>
> I receive the following result:
> CODECOUNTYTOWNYEAR11026[COUNTY][TOWN][YEAR]
>
> If I comment the TEMPLATE from JOIN nothink happend, but if I comment the TEMPLATE from CLASS I get the error: msQueryByRect(): Search returned no results. No matching record(s) found.
>
> WHAT is happening? What and where I do wrong?
> DOES ANY ONE HAVE A WORKING EXAMPLE? I MEAN SOME ONE WHO USED OR USE JOIN OBJECT
>
> There are any other ways to JOIN (ONE TO MANY) data?
>
> Thank you in advance
>
> William
>
>
>
>
>
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