"Henry Combrinck" <[EMAIL PROTECTED]> writes:
> Can you give an example of what a "named rowtype" is?

The result of CREATE TYPE AS, or the row type implicitly created for a
table.  For instance

        CREATE TYPE complex AS (r float, i float);

        CREATE FUNCTION abs(complex) RETURNS float AS ...

or

        CREATE TABLE users (name text, ...);

        CREATE FUNCTION foobar(users) RETURNS ...

                        regards, tom lane

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TIP 9: the planner will ignore your desire to choose an index scan if your
      joining column's datatypes do not match

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