[MAPSERVER-USERS] CLASSITEM and EXPRESSION issue in trunk?

[Pål Kristensen]

Hi!

I've compiled 5.3-dev from trunk yesterday and got some trouble with some
mapfiles that works well on 5.2. The problem is that the EXPRESSION
parameter in the CALSS object does not work with direct string comparison.
Her are some examples:

Does NOT work: (This is the original layer definition from the 5.2 mapfile)

LAYER
   ...
   CLASSITEM "maxhoyde"
   ...
   CLASS
      NAME "test"
      EXPRESSION "600"
      ...
    END
END


Using RegEx instead WORKS:

LAYER
   ...
   CLASSITEM "maxhoyde"
   ...
   CLASS
      NAME "test"
      EXPRESSION /600/
      ...
    END
END


Using logical expression WORKS:

LAYER
   ...
   #CLASSITEM "maxhoyde"
   ...
   CLASS
      NAME "test"
      EXPRESSION ([makshoyde] == 600)
      ...
    END
END

The data is stored in PostgreSQL (PostGIS), and the actual field type is
character(5). Anyone have a clue about what is causing this strange
behavior. 

Regards,
Pål Kristensen
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