Excerpts from David Gardner's message of mié jun 09 20:55:36 -0400 2010:
> In 8.4.4 I used to be able to rename input parameters via "create or
> replace function".
> In 9.0 beta2 this no longer is allowed, and I get a descriptive message
> informing me to use
> drop function instead, but I couldn't find this documented anywhere as a
> change between 8.4 and 9.0.
It's this patch:
http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=e7eb1113f8a95e9927fdbe9cc6fb0ac101612be2#patch7
It should probably be mentioned in the incompatibilities section of the
9.0 release notes.
--
Álvaro Herrera <alvherre@commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
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