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Jeff Janes <jeff.janes@gmail.com> writes:

According to the documentation:
http://www.postgresql.org/docs/9.5/static/datatype-pseudo.html

At present the procedural languages all forbid use of a pseudo-type as
argument type, and allow only void and record as a result type (plus
trigger when the function is used as a trigger).

However, pl/perl has accepted "record" as in argument type since 9.1.

I'm inclined to just change this to weasel wording like "forbid use of
most pseudo-types". The odds of remembering to update this para when
individual PLs change behavior seem poor.

regards, tom lane

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