| From: | Jim Nasby <Jim(dot)Nasby(at)BlueTreble(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, "Brightwell, Adam" <adam(dot)brightwell(at)crunchydatasolutions(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: replicating DROP commands across servers |
| Date: | 2014-10-09 17:59:49 |
| Message-ID: | 5436CD15.5040401@BlueTreble.com |
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| Lists: | pgsql-hackers |
On 10/6/14, 11:24 PM, Robert Haas wrote:
Offlist.
>> FWIW, I've run into situations more than once in userspace where I need a
>> way to properly separate schema and object name. Generally I can make do
>> using reg* casts and then hitting catalog tables, but it'd be nice if there
>> was an easier way.
>
> Sure, although I think that's a bit of a separate problem. It's hard
> to iterate through a string a character at a time from the SQL level
> so that you can handle stuff like the quote_literal() rules. If we
> want people to be able to do that easily we need to provide tools to
> handle it. But C is actually quite well-suited to such tasks.
Yeah, I wouldn't want to attempt this in SQL; I was saying that a built-in function to do this would be broadly useful, not just for replicating DROPs.
--
Jim Nasby, Data Architect, Blue Treble Consulting
Data in Trouble? Get it in Treble! http://BlueTreble.com
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