: Venky Kandaswamy
Cc: pgsql-gene...@postgresql.org; pgsql-sql@postgresql.org
Subject: Re: [SQL] Curious problem of using BETWEEN with start and end being
the same versus EQUALS '='
Venky Kandaswamy writes:
>On 9.1, I am running into a curious issue.
It's not very curious a
Venky Kandaswamy writes:
>On 9.1, I am running into a curious issue.
It's not very curious at all, or at least people on pgsql-performance
(the right list for this sort of question) would have figured it out
quickly. You're getting a crummy plan because of a crummy row estimate.
When you do
All,
On 9.1, I am running into a curious issue. I will explain the issue in high
level terms using psuedo SQL statements. Consider a SQL statement:
SELECT a, b, c FROM tab WHERE a = value1;
- This does an index scan followed by a merge join and takes about 37 secs to
execute
If I change the
