Re: logicalrep_message_type throws an error - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: logicalrep_message_type throws an error
Date
Msg-id 20230705161155.repwy2tgvir2hcbr@alvherre.pgsql
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In response to Re: logicalrep_message_type throws an error  ("Euler Taveira" <euler@eulerto.com>)
Responses Re: logicalrep_message_type throws an error  (Alvaro Herrera <alvherre@alvh.no-ip.org>)
List pgsql-hackers
On 2023-Jul-05, Euler Taveira wrote:

> Isn't this numerical value already exposed in the error message (X = 88)?
> In this example, it is:
> 
> ERROR:  invalid logical replication message type "X"
> CONTEXT:  processing remote data for replication origin "pg_16638" during message type "??? (88)" in transaction 796,
finishedat 0/1626698
 
> 
> IMO it could be confusing if we provide two representations of the same data (X
> and 88). Since we already provide "X" I don't think we need "88". Another
> option, is to remove "X" from apply_dispatch() and add "??? (88)" to 
> logicalrep_message_type().
> 
> Opinions?

The CONTEXT message could theoretically appear in other error throws,
not just in "invalid logical replication message".  So the duplicity is
not really a problem.

-- 
Álvaro Herrera               48°01'N 7°57'E  —  https://www.EnterpriseDB.com/
"Now I have my system running, not a byte was off the shelf;
It rarely breaks and when it does I fix the code myself.
It's stable, clean and elegant, and lightning fast as well,
And it doesn't cost a nickel, so Bill Gates can go to hell."



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