Re: A method to asynchronously LISTEN ?

On Tue, Feb 26, 2019 at 12:04 PM Dave Cramer <pg(at)fastcrypt(dot)com> wrote:

>
>
> On Tue, 26 Feb 2019 at 12:29, David G. Johnston <
> david(dot)g(dot)johnston(at)gmail(dot)com> wrote:
>
>> The question being asked is whether executeUpdate method performs
>> synchronous execution of the listener function queue during its execution.
>>
>> This after sending the command to the server and the server completing
>> execution of the NOTIFY. This assumes that the server places the
>> notification on the channel for pick-up immediately (which will not be the
>> case within a transaction).
>>
>> While the client is, IIRC, synchronous, thus the local order of
>> operations can be controlled, the server is asynchronous and thus this test
>> is exposed to timing issues. Maybe we need something like
>> conn.listenSync() that blocks until a notification payload is received on
>> the connection...?
>>
>
> kind of defeats the asynchronous aspect, no ?
>
>>
>>>>
You'd still want an asynchronous API for people but JavaScript introduced
the "async/await" feature for a reason. In this case making it "sync"
instead of coding up wait loop seems desirable. That said its quite
possible I'm missing some existing feature as I haven't used this API at
all.

David J.