On 11.09.2005, at 11:03 Uhr, Andreas Seltenreich wrote:
I'm not perfectly sure, but since the index could only be used with a
subset of all possible parameters (the pattern for like has to be
left-anchored), I could imagine the planner has to avoid the index in
order to produce an universal plan
Guido Neitzer schrob:
> I have a performance problem with prepared statements (JDBC prepared
> statement).
>
> This query:
>
> PreparedStatement st = conn.prepareStatement("SELECT id FROM
> dga_dienstleister WHERE plz like '45257'");
>
> does use an index.
>
> This query:
>
> String pl
Hi.
I have a performance problem with prepared statements (JDBC prepared
statement).
This query:
PreparedStatement st = conn.prepareStatement("SELECT id FROM
dga_dienstleister WHERE plz like '45257'");
does use an index.
This query:
String plz = "45257";
PreparedStateme