[mapguide-users] Feature Joins - How?

[Crispin_at_1Spatial]

Hi,

Trying to understand feature joins so I tried some tests and failed
miserably... can anyone expand on the logic below:

 1) I created a new featuresource and layer (SDF data), turned the FeatId on
as the tooltip and previewed the data, noted down a FeatId that I could
readily identify (e.g. 123)

 2) I created an Access DB with a new table and a column (Numeric, Long)
called ID_NumLong and made it a primary key, then added one value to the
table as noted above (e.g. 123)

 3) I added an ODBC system DSN to the MDB and in MapGuide a new ODBC feature
source connection.

 4) I edited my original layer, linked the new ODBC featuresource as a join
and selected FeatId->ID_NumLong as an Inner join

 5) Previewed the layer expecting to see only the linked feature displayed
... but the complete dataset displayed as before.  Not happy.

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