On Monday 27 August 2007 05:21, Sanjay <skpatel20@gmail.com> wrote:
>Wondering why it is not using the index, which would have
> been
> automatically created for the primary key.
Because you not only have just one row in the whole table, 100% of them will
match the query. In short, one page fetch for a seq scan is faster than
first looking it up in an index and then fetching the same page.
set enable_seqscan=false;
--
"Government big enough to supply everything you need is big enough to take
everything you have ... the course of history shows that as a government
grows, liberty decreases." -- Thomas Jefferson
