Heikki Linnakangas <[email protected]> writes:
> On 09/22/2014 07:47 AM, Rajeev rastogi wrote:
>> So my proposal is to skip the condition check on the first scan key
>> condition for every tuple.
> The same happens in a single-column case. If you have a query like
> "SELECT * FROM tbl2 where id2 > 'a'", once you've found the start
> position of the scan, you know that all the rows that follow match too.
... unless you're doing a backwards scan.
regards, tom lane
--
Sent via pgsql-hackers mailing list ([email protected])
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers