| From: | Jim Nasby <Jim(dot)Nasby(at)BlueTreble(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
| Cc: | 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: | 2014-10-06 23:03:33 |
| Message-ID: | 54331FC5.9050606@BlueTreble.com |
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| Lists: | pgsql-hackers |
On 10/4/14, 8:12 PM, Robert Haas wrote:
>> >It's just not sane to try to parse such text strings.
> But this is a pretty ridiculous argument. We have an existing parser
> that does it just fine, and a special-purpose parser that does just
> that (and not all of the other stuff that the main parser does) would
> be a great deal simpler. Maybe there are examples other than the ones
> you listed here that demonstrate that this is actually a hard problem,
> but the fact that you might need to undo quote_literal() or search for
> and split on fixed strings does not.
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.
--
Jim Nasby, Data Architect, Blue Treble Consulting
Data in Trouble? Get it in Treble! http://BlueTreble.com
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