[Pgpool-general] pgpool-II 3.1 released
Toshihiro Kitagawa
kitagawa at sraoss.co.jp
Fri Sep 9 02:33:48 UTC 2011
On Thu, 8 Sep 2011 10:04:04 -0700
Lonni J Friedman <netllama at gmail.com> wrote:
> On Thu, Sep 8, 2011 at 5:30 AM, Toshihiro Kitagawa
> <kitagawa at sraoss.co.jp> wrote:
> > - Change the lock method of insert_lock. The previous insert_lock uses
> > row locking against the sequence relation, but the current one uses
> > row locking against pgpool_catalog.insert_lock table. The reason is
> > that PostgreSQL core developers decided to disallow row locking
> > against the sequence relation to avoid an internal error which it
> > leads. So creating insert_lock table in all databases which are
> > accessed via pgpool-II beforehand is required. If does not exist
> > insert_lock table, pgpool-II locks the insert target table. This
> > behavior is same as pgpool-II 2.2 and 2.3 series. If you want to use
> > insert_lock which is compatible with older releases, you can specify
> > lock method by configure options: --enable-sequence-lock,
> > --enable-table-lock(Kitagawa)
>
> Is there a sql script somewhere for creating this table with the
> correct/expected schema?
It is pgpool-II-3.1/sql/insert_lock.sql.
See pgpool-II manual for more details:
http://pgpool.projects.postgresql.org/pgpool-II/doc/pgpool-en.html#install
--
Toshihiro Kitagawa
SRA OSS, Inc. Japan
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