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
http://developer.postgresql.org/~petere/
---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
