On Tue, Jan 27, 2004 at 12:41:41PM -0500, Dave Cramer wrote:
> davec=# explain analyze select * from url where fn_strrev(url) like
> '%beta12.html';
Reverse the constant too:
davec=# explain analyze select * from url where fn_strrev(url) like
fn_strrev('%beta12.html');
You won't get an indexscan if you have a % in front of the string.
--
Alvaro Herrera (<alvherre[a]dcc.uchile.cl>)
"Hay quien adquiere la mala costumbre de ser infeliz" (M. A. Evans)
---------------------------(end of broadcast)---------------------------
TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
