Simon Riggs <simon@2ndquadrant.com> writes:
> On Thu, 2007-12-13 at 22:23 -0800, Neil Conway wrote:
>> If "LIMIT n" means "emit at most n tuples", then a query that produces 0
>> rows with n < 0 is arguably violating its spec, since it has produced
>> more tuples than the LIMIT specified (0 > n). Interpreted this way, no
>> result set can be consistent with a negative limit, so I'd vote for
>> throwing an error.
> I even found an existing, unused error message called
> ERRCODE_INVALID_LIMIT_VALUE
> so here's a patch.
Applied, but using just ERRCODE_INVALID_PARAMETER_VALUE rather than
guessing what the SQL committee intended with that SQLSTATE.
regards, tom lane