[HACKERS] Is LISTEN/NOTIFY reliable?

2010-10-16 Thread Tatsuo Ishii
Hi, Does anybody know PostgreSQL LISTEN/NOTIFY is more reliable than previous versions? I vaguely recall that in the previous implementation, message sent by NOTIFY may not be reached to listner. Does PostgreSQL 9.0's new implementation guarantee that the message is received by the listener? --

Re: [HACKERS] Is LISTEN/NOTIFY reliable?

2010-10-16 Thread Robert Haas
On Sat, Oct 16, 2010 at 3:27 AM, Tatsuo Ishii is...@postgresql.org wrote: Does anybody know PostgreSQL LISTEN/NOTIFY is more reliable than previous versions?  I vaguely recall that in the previous implementation, message sent by NOTIFY may not be reached to listner. Does PostgreSQL 9.0's new

Re: [HACKERS] Is LISTEN/NOTIFY reliable?

2010-10-16 Thread Tom Lane
Tatsuo Ishii is...@postgresql.org writes: Does anybody know PostgreSQL LISTEN/NOTIFY is more reliable than previous versions? I vaguely recall that in the previous implementation, message sent by NOTIFY may not be reached to listner. Does PostgreSQL 9.0's new implementation guarantee that the

Re: [HACKERS] Is LISTEN/NOTIFY reliable?

2010-10-16 Thread Andrew Dunstan
On 10/16/2010 09:04 AM, Robert Haas wrote: On Sat, Oct 16, 2010 at 3:27 AM, Tatsuo Ishiiis...@postgresql.org wrote: Does anybody know PostgreSQL LISTEN/NOTIFY is more reliable than previous versions? I vaguely recall that in the previous implementation, message sent by NOTIFY may not be

Re: [HACKERS] Is LISTEN/NOTIFY reliable?

2010-10-16 Thread Tatsuo Ishii
On Sat, Oct 16, 2010 at 3:27 AM, Tatsuo Ishii is...@postgresql.org wrote: Does anybody know PostgreSQL LISTEN/NOTIFY is more reliable than previous versions? ,A (BI vaguely recall that in the previous implementation, message sent by NOTIFY may not be reached to listner. Does PostgreSQL