From: | lars hofhansl <lhofhansl(at)yahoo(dot)com> |
---|---|
To: | pgadmin-support(at)postgresql(dot)org |
Subject: | deadlock using sequences? |
Date: | 2002-10-05 00:53:17 |
Message-ID: | 20021005005317.94539.qmail@web40601.mail.yahoo.com |
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Thread: | |
Lists: | pgadmin-support |
Hi,
I get occasional deadlocks when using sequences from
multiple clients.
Here's the table DDL:
create sequence ids;
create table foo( id integer default nextval('ids'),
parent integer, type char(4), name text, value text )
without oids;
create index xml_id on xml(id);
I'm inserting 1000s of tuples from 4-5 different
clients (all use JDBC but are single threaded).
About once every 1000 tuples I get
ERROR: deadlock detected
I can't use OIDS because I have to guarantee
monotonically increasing ids.
Any ideas? Shouldn't sequences be implemented deadlock
free?
Thanks.
-- Lars
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