Re: CREATE SCHEMA IF NOT EXISTS

Excerpts from Fabrízio de Royes Mello's message of mié oct 03 10:11:03 -0300 2012:

> Maybe something like this?
>
>    ereport(ERROR,
>            (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
>             errmsg("IF NOT EXISTS cannot be used with schema elements"),
>             parser_errposition(@9)));

Seems reasonable, but where?  Please submit a complete patch.

--
Álvaro Herrera                http://www.2ndQuadrant.com/
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