2009/10/22 Tom Lane <[email protected]>: > Pavel Stehule <[email protected]> writes: >> 2009/10/22 Tom Lane <[email protected]>: >>> It is not --- it's the recommended solution for emulating computed >>> columns. The column-as-f(x) direction maybe isn't terribly exciting, >>> but the function-as-x.col direction definitely is. > >> is it documented? > > Yes, see "SQL Functions on Composite Types" (34.4.2 as of CVS HEAD), > down near the end of that subsection. >
ok, thank you Pavel > regards, tom lane > -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
