On Thu, Jun 05, 2008 at 11:18:26AM -0700, David E. Wheeler wrote: > I'm working on a custom data type based on TEXT that does case- > insensitive, locale-aware comparisons, essentially by calling LOWER() > to compare values.
What makes this different from the citext project? > However, thanks to the implicit cast PostgreSQL finds more than one > candidate operator when I compare properly casted values: > > try=# select 'a'::lctext = 'a'::text; > ERROR: operator is not unique: lctext = text > LINE 1: select 'a'::lctext = 'a'::text; > ^ What would you want postgresql to choose in this case. Whichever way you want it, make that direction implicit and the other direction assignment. Having A->B and B->A both as implicit just leads to ambiguity. Have a nice day, -- Martijn van Oosterhout <[EMAIL PROTECTED]> http://svana.org/kleptog/ > Please line up in a tree and maintain the heap invariant while > boarding. Thank you for flying nlogn airlines.
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