> Are you sure? I'd say that "to_timestamp(double precision)" always
> produces the same timestamp for the same argument. What changes with
> the setting of "timezone" is how that timestamp is converted to a
> string, but that's a different affair.
Of course the internal representation of timestamp with time zone data
type is not affected by the time zone setting. But why other form of
to_timestamp is labeled as stable? If your theory is correct, then
other form of to_timestamp shouldn't be labeled immutable as well?
Best reagards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp