Re: New hook after raw parsing, before analyze

Greg Stark <stark@mit.edu> writes:
> On Fri, Feb 14, 2014 at 9:16 PM, David Beck <dbeck@starschema.net> wrote:
>> Another point I liked in mysql is the possibility to write info schema plugins:
http://dev.mysql.com/doc/refman/5.1/en/writing-information-schema-plugins.html
>> Like a virtual catalog. Is there anything similar in Postgres?

> The documentation you linked to describes how to provide
> information_schema plugins but not why you would want to do such a
> thing. I'm not seeing why this would be useful. The information_schema
> schema is described by the standard so creating new views in it isn't
> needed very often and the schema for the existing views doesn't change
> very often.

IIRC, mysql has a liberal view about what they can do to the
information_schema, so for them this isn't as insane as it sounds to us.
        regards, tom lane