Dnia 2004-02-20 16:35, Użytkownik Bill Moran napisał:
Can anyone say whether this is a supported feature in plpgsql, and is
safe to use?  Is it simply undocumented, or am I just looking in the
wrong place?

"iscachable" is only for backward compatibility - it's changed now to "IMMUTABLE"

You can read more about immutable, stable and volatile functions in Postgresql documentation - chapter SQL Commands/CREATE FUNCTION.

Tomasz Myrta

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