On Tue, Jul 22, 2014 at 12:49:37PM -0400, Tom Lane wrote:
> Before 9.3, you got an error from this:
>
> regression=# select * from tenk1 offset -1;
> ERROR: OFFSET must not be negative
That seems eminently sane, and should continue to error out, IM.
The only circumstance I can imagine where thi
On Tue, Jul 22, 2014 at 12:49 PM, Tom Lane wrote:
> Before 9.3, you got an error from this:
>
> regression=# select * from tenk1 offset -1;
> ERROR: OFFSET must not be negative
>
> But 9.3 and up ignore the negative OFFSET. This seems to be a thinko in
> my commit 1a1832eb. limit_needed() think
Before 9.3, you got an error from this:
regression=# select * from tenk1 offset -1;
ERROR: OFFSET must not be negative
But 9.3 and up ignore the negative OFFSET. This seems to be a thinko in
my commit 1a1832eb. limit_needed() thinks it can discard the Limit plan
node altogether, which of cours
