Re: getting async raise notice messages - Mailing list pgsql-jdbc

From Kevin Wooten
Subject Re: getting async raise notice messages
Date
Msg-id C5F1DCD2-3E8C-48E2-A6AB-13270DD3DE21@me.com
Whole thread Raw
In response to Re: getting async raise notice messages  (Dave Cramer <pg@fastcrypt.com>)
List pgsql-jdbc
We support asynchronous LISTEN/NOTIFY… https://github.com/impossibl/pgjdbc-ng

I wasn’t sure that’s exactly what you were asking about.  After connection use PGConnection.addNotificationListener to add asynchronous listeners.

On Jan 26, 2015, at 4:42 PM, Dave Cramer <pg@fastcrypt.com> wrote:

Pawel,

Have a look at org/postgresql/test/jdbc2/NotifyTest.java for exactly what you proposed. As for when it gets notified, I do not know how you would tell as the spec does not provide this functionality (AFAIK)

Dave Cramer

dave.cramer(at)credativ(dot)ca
http://www.credativ.ca

On 26 January 2015 at 17:52, Pawel Veselov <pawel.veselov@gmail.com> wrote:
Dave,

On Mon, Jan 26, 2015 at 2:38 PM, Dave Cramer <pg@fastcrypt.com> wrote:

Dave Cramer

I've seen that :) May be I'm missing something, but that's not asynchronous. I need to wait until statement finishes before calling those getWarnings() methods. May be I can call them from another thread (at least on Connection/Statement object) as the SQL is being processed, and they will return current messages, but I'm not sure when to - i.e. how do I know when a new message has been made available.
 
dave.cramer(at)credativ(dot)ca
http://www.credativ.ca

On 26 January 2015 at 17:06, Pawel Veselov <pawel.veselov@gmail.com> wrote:
Hi.

Is it possible to get output of raise notice statements as produced by a PL function, as the function is being executed? And if yes, what version was that introduced in?

 


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