Re: pg_listening_channels()

From: Igor Neyman <ineyman(at)perceptron(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Greg Sabino Mullane <greg(at)turnstep(dot)com>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: pg_listening_channels()
Date: 2012-11-29 19:04:38
Message-ID: A76B25F2823E954C9E45E32FA49D70EC08F068FE@mail.corp.perceptron.com
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> -----Original Message-----
> From: Tom Lane [mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us]
> Sent: Wednesday, November 28, 2012 6:13 PM
> To: Igor Neyman
> Cc: Greg Sabino Mullane; pgsql-general(at)postgresql(dot)org
> Subject: Re: [GENERAL] pg_listening_channels()
>
> Igor Neyman <ineyman(at)perceptron(dot)com> writes:
> > With PG 9.0 changes I lost ability to check if anyone is interested
> in the NOTIFY signal and payload I'm about to send.
> > Seems like this change was not thought through completely.
>
> [ shrug... ] It was debated extensively and the advantages of the new
> implementation were deemed to outweigh the disadvantages.
>
> regards, tom lane

Tom,

Are you saying that these two features: attached payload and being able to find which channels are being listened to - are incompatible? That they cannot coexist?

Regards,
Igor Neyman

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