Обсуждение: computed field on a table

This is a feature of Interbase/Firebird. Is this planned for future
version of Postgres (I can always use a view for this though).

--
dave

David Garamond wrote:
> This is a feature of Interbase/Firebird. Is this planned for future
> version of Postgres (I can always use a view for this though).

Use a trigger to keep a materialized version of the computed field up to
date, or use a view to compute the field dynamically.  No other
mechanisms are planned.

Peter Eisentraut wrote:

David Garamond wrote: 

This is a feature of Interbase/Firebird. Is this planned for future
version of Postgres (I can always use a view for this though).   

I would use a view which would keep the amount of accesses to the table low as well.

J

Use a trigger to keep a materialized version of the computed field up to 
date, or use a view to compute the field dynamically.  No other 
mechanisms are planned.


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