Since 8.3, the system provides automatic I/O conversion casts between
the built-in string types and other types, but there's currently no way
for a user to declare additional casts using the I/O functions. You can
always create a simple SQL function to do that, but it seems like we
should provide a direct interface for that. I propose the syntax:
CREATE CAST (<source> AS <target>) WITH INOUT [AS IMPLICIT | AS ASSIGNMENT]
Anyone else think this is a good idea? Thoughts on the implementation?
Agree, that task causes too often for me. Although using separate boolean column
looks more preferable than special value for OID.
--
Teodor Sigaev E-mail: [EMAIL PROTECTED]
WWW: http://www.sigaev.ru/
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