Hi,
I have many customers using PG 15.3 happily, and I cannot just snap upgrade
them all to 15.12.
I have tested a nasty trick of replacing PSQL,LIBPQ and several other DLL's so
that I have a PG client 15.12 within the folders of Server 15.3.
All working just fine.
I plan to ship it as a patc
Hi guys,
Thanks for the help.
I was able to recreate the problem , on the same DB, with PSQL only. No JDBC.
A plain run of a complicated query : 50ms
A prepare and then execute of the same query: 2500ms.
The plans are different, as discussed above. The fast one is using Mat
Thanks for the help.
Both plans refer to the same DB.
#1 – Fast – using psql or old JDBC driver
==>
Sort (cost=13113.27..13113.33 rows=24 width=622)
Output: dm.calname, dm.jobyear, dm.caltype, ((dm.daymask)::character
varying(400))
Sort Key: dm.calname, dm.jobyear
-> HashAggregate (co
, Danny ; psql-performance
Subject: [EXTERNAL] Re: Performance down with JDBC 42
On Sat, 2023-11-04 at 19:08 +, Abraham, Danny wrote:
> Asking for help with a JDBC related issue.
> Environment: Linux 7.9 PG 14.9 , very busy PG Server.
>
> A big query - 3 unions and about 1
Hi,
Asking for help with a JDBC related issue.
Environment: Linux 7.9 PG 14.9 , very busy PG Server.
A big query - 3 unions and about 10 joins runs :
- 70ms on psql , DBeaver with JDBC 42 and in our Server using old JDBC 9.2
- 2500 ms in our Server using new JDBC 42 driver. ( and this is runni