[mapserver-users] One-to-many join

[Wim Blanken]

Hi Berend,

 

Which version of mapserver are you using. I had the same problems with
version 5.x. In version 4.x the one-to-many join was functioning ok,

I also posted this to the list but got no response so far...

 

Best regards,

 

Wim Blanken

The Netherlands.

 

  _____  

Van: mapserver-users-bounces at lists.osgeo.org
[mailto:mapserver-users-bounces at lists.osgeo.org] Namens Berend Veldkamp
Verzonden: Thursday, June 12, 2008 11:55 AM
Aan: mapserver-users at lists.osgeo.org
Onderwerp: [mapserver-users] One-to-many join

 

Hi,

 

I'm trying to get a one-to-many join in a Postgis db working. One-to-one is
working fine, but when I use one-to-many and add a template to the join
object, no joined records are returned. In fact, the join template seems to
be ignored altogether.

Does anyone have a working example? The documentation is limited to
"One-to-many joins: The more complex variant. If the join type is multiple
(one-to-many) the template is replaced by the set of header, template file
and footer specified in the mapfile.", and I'm not exactly sure what this
means. Do I need to specify where the "many" template(s) are inserted into
the "main" template?

 

Here's the layer definition from my mapfile, and the templates:

 

LAYER  
  NAME Provincies
  TYPE polygon
  CONNECTIONTYPE postgis
  CONNECTION "host=localhost dbname=gisdb user=user password=pass"
  
  DATA "the_geom from nl97"
  STATUS on
  
  CLASS
    COLOR 0 128 128
    OUTLINECOLOR 0 64 64
  END
  
  METADATA
    "wms_title" "Provincies"
    "wms_srs" "EPSG:28992"
  END
  
  JOIN
    NAME "test"
    CONNECTION "host=localhost dbname=gisdb user=user password=pass"
    CONNECTIONTYPE ogr
    TABLE "lookup"
    FROM "provnr"
    TO "provnr"
    TYPE one-to-many
    TEMPLATE join.html
  END
  
  HEADER header.html
  FOOTER footer.html
  TEMPLATE provincies.html
  
END

 

 

provincies.html:

<tr>
<td>Naam: [provincie]</td>
<td>Inwoners: [inwoners]</td>
<td>Inkomen: [inkomen]</td>
<td>Provcode: [provnr]</td>
</tr>

 

join.html:

<!-- Join starts here -->

<tr><td>Joined field: [joined]</td></tr>

<!-- Join ends here -->

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