Matthias Lüdtke wrote:
> Hi everyone,
> 
> I am searching for the easiest way to let PostgreSQL parse a special 
> dialect of SQL. The dialect I want to parse augments common SQL in a way 
> that enables expressions within a WHERE clause to be annotated and is 
> thus not compatible with the standard SQL syntax anymore.

No, there's no mechanism for that.  You'd have to preprocess the query
before passing it to PostgreSQL.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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