| From: | Craig Ringer <craig(at)postnewspapers(dot)com(dot)au> |
|---|---|
| To: | Allan Kamau <kamauallan(at)gmail(dot)com> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Visibility of temporary database objects |
| Date: | 2009-12-14 13:05:16 |
| Message-ID: | 4B26380C.2010002@postnewspapers.com.au |
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| Thread: | |
| Lists: | pgsql-general |
On 14/12/2009 4:35 PM, Allan Kamau wrote:
> and I am calling this function in
> from a threaded application which could use the same connection in
> more than one thread(is this possible/or even safe).
No!
Admittedly it depends on the client interface/driver, but at least for
direct psql, PgODBC and PgJDBC it is _not_ safe to use a single
PostgreSQL connection from more than one thread. Use multiple
connections, or properly control access to the connection so that only
one thread will be doing work on it at a time. Even then, you can't have
multiple queries in flight on a single connection.
--
Craig Ringer
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