Re: logical changeset generation v4

Steve Singer <steve@ssinger.info>

From: Steve Singer <steve@ssinger.info>
To: Andres Freund <andres@anarazel.de>
Cc: pgsql-hackers@postgresql.org
Date: 2013-01-28T21:57:30Z
Lists: pgsql-hackers
On 13-01-28 06:23 AM, Andres Freund wrote:
> The CF is also there to find UI warts and such, so something like this 
> seems perfectly fine. Even moreso as it doesn't look this will get 
> into 9.3 anyway. I wanted to add such an option, but I was too 
> lazy^Wbusy to think about the sematics. Your current syntax doesn't 
> really allow arguments to be specified in a nice way. I was thinking 
> of -o name=value and allowing multiple specifications of -o to build 
> the option string. Any arguments against that?

Multiple -o options sound fine to me.


>>   	/* Initiate the replication stream at specified location */
>> -	snprintf(query, sizeof(query), "START_LOGICAL_REPLICATION '%s' %X/%X",
>> -			 slot, (uint32) (startpos >> 32), (uint32) startpos);
>> +	snprintf(query, sizeof(query), "START_LOGICAL_REPLICATION '%s' %X/%X (%s)",
>> +			 slot, (uint32) (startpos >> 32), (uint32) startpos,plugin_opts);
> ISTM that (%s) shouldn't be specified when there are no options, but as
> the options need to be pre-escaped anyway, that looks like a non-problem
> in a bit more complete implementation.
>
> Greetings,
>
> Andres Freund
>
>