Thanks, that looks useful. I'll investigate once I've got the servers upgraded
and replication running.
Bruno Wolff III wrote:
On Wed, Jul 13, 2005 at 18:15:12 +,
[EMAIL PROTECTED] wrote:
Many thanks Tom. Inconvenient from the point of view of the application
but still useful
On Wed, Jul 13, 2005 at 18:15:12 +,
[EMAIL PROTECTED] wrote:
Many thanks Tom. Inconvenient from the point of view of the application but
still useful information.
The situation is that I've got a query with numerous subselects, each of which
has to return exactly one row so I was doing
Where does PostgreSQL rank nulls when sorting a column of timestamps, is this
behaviour deterministic, and can I rely on it not changing in the future?
Apologies if this shows up as a repost, I've had gateway problems at this end.
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[EMAIL PROTECTED] writes:
Where does PostgreSQL rank nulls when sorting a column of timestamps, is this
behaviour deterministic, and can I rely on it not changing in the future?
Nulls sort high (in any datatype, not only timestamps). It's possible
that we'd offer an option to make them sort
Many thanks Tom. Inconvenient from the point of view of the application but
still useful information.
The situation is that I've got a query with numerous subselects, each of which
has to return exactly one row so I was doing a union with a nulled record then
selecting the most recent: obviously
On Wed, 2005-07-13 at 12:41, Tom Lane wrote:
[EMAIL PROTECTED] writes:
Where does PostgreSQL rank nulls when sorting a column of timestamps, is
this
behaviour deterministic, and can I rely on it not changing in the future?
Nulls sort high (in any datatype, not only timestamps). It's
Scott Marlowe [EMAIL PROTECTED] writes:
On Wed, 2005-07-13 at 12:41, Tom Lane wrote:
Nulls sort high (in any datatype, not only timestamps). It's possible
that we'd offer an option to make them sort low in the future, but I
can't imagine that we'd change the default behavior.
Isn't this
Scott Marlowe wrote:
On Wed, 2005-07-13 at 12:41, Tom Lane wrote:
[EMAIL PROTECTED] writes:
Where does PostgreSQL rank nulls when sorting a column of timestamps,
is this behaviour deterministic, and can I rely on it not changing in
the future?
Nulls sort high (in any datatype,
Tom Lane wrote:
According to the SQL spec it's implementation defined, which means
different DBs could do it differently but they have to tell you what
they will do. Implementation dependent effectively means the
behavior is not specified at all.
One problem is that even if the server is
