>
> No, it doesn't. Read it again ... or read up on row comparisons,
> if you're unfamiliar with that notation. The above queries are
> exactly equivalent per spec.
>
Wow, this is great. Thanks.
johno writes:
> On Tue, Jul 22, 2014 at 4:53 AM, Tom Lane wrote:
>> johno writes:
>>> The obvious query is
>>> SELECT * FROM register_uz_accounting_entities
>>> WHERE effective_on > '2014-07-11' OR (effective_on = '2014-07-11' AND
>>> id > 1459)
>>> ORDER BY effective_on, id
>>> LIMIT 100
>> A
On Tue, Jul 22, 2014 at 4:53 AM, Tom Lane wrote:
> johno writes:
> > I am trying to optimize a simple query that returns first 100 rows that
> > have been updated since a given timestamp (ordered by timestamp and id
> > desc). If there are several rows with the same timestamp I need to a
> > se
johno writes:
> I am trying to optimize a simple query that returns first 100 rows that
> have been updated since a given timestamp (ordered by timestamp and id
> desc). If there are several rows with the same timestamp I need to a
> second condition, that states that I want to return rows having
Hi there,
I am trying to optimize a simple query that returns first 100 rows that
have been updated since a given timestamp (ordered by timestamp and id
desc). If there are several rows with the same timestamp I need to a
second condition, that states that I want to return rows having the given
t