[fdo-internals] Re: Need to create a calculation using FDO API

[Jackie Ng]

An empty property list implies selecting all properties/columns from the
feature class. ie. Something equivalent to: SELECT * FROM TABLE.

Adding such a computed identifier makes this equivalent to: SELECT
AREA2D(SHAPE) AS RoomArea FROM TABLE

So you need to explicitly include the properties that you want to be in the
resulting feature reader.

- Jackie

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