Am Freitag, 15. Juni 2007 18:14 schrieb Tom Lane:
> The current discussion about the tsearch-in-core patch has convinced me
> that there are plausible use-cases for typmod values that aren't simple
> integers.  For instance it could be sane for a type to want a locale or
> language selection as a typmod, eg tsvector('ru') or tsvector('sv').

That would also be very useful for the XML type with an optional XML schema 
modification.  I guess in a lot of use cases you would have to store the 
mapping in a side table, if the typmod on disk remains an integer.

Peter Eisentraut

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