[fdo-users] Select "TOP" or "rownum < "

[Jackie Ng]

Shouldn't this work through raw SQL? Most RDBMS FDO providers should support
raw SQL.

This would be a good extension for the FdoISelect interface. Something like
a SetLimit()/GetLimit() property, with matching capabilities to determine if
this property is usable.

- Jackie


Crispin_at_1Spatial wrote:
> 
> Hi,
> 
> I cannot apply a "rownum < 100" to KingOracle (well, not through MapGuide)
> as it is interpreted a column name.
> 
> Any suggestions as how to do this?  I want the query to be optimised at
> the database and not have to truncate a stream of features with my own
> count?
> 
> Because of the different interpretations "SELECT TOP" in SQLServer and
> "rownum < " in Oracle it seems like an obvious candidate for an FDO
> function/expression (not sure which terminology is right here) that can be
> published by providers and interpreted appropriately.
> 
>  Crispin
> 
> 

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