On Thu, Sep 11, 2014 at 2:47 AM, Fabien COELHO <coelho@cri.ensmp.fr> wrote:
> Ok. I do agree that an expression syntax would be great!
>
> However, that would not diminish nor change much the amount and kind of code
> necessary to add an operator or a function
That's not really true. You can't really add abs(x) or hash(x) right
now because the current code only supports this syntax:
\set varname operand1 [ operator operand2 ]
There's no way to add support for a unary operator with that syntax.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company