Re: Review of: pg_stat_statements with query tree normalization

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От Greg Smith
Тема Re: Review of: pg_stat_statements with query tree normalization
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Msg-id 4F14B61E.9070802@2ndQuadrant.com
обсуждение исходный текст
Ответ на Re: Review of: pg_stat_statements with query tree normalization  (Alvaro Herrera <alvherre@commandprompt.com>)
Ответы Re: Review of: pg_stat_statements with query tree normalization  (Peter Geoghegan <peter@2ndquadrant.com>)
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On 01/16/2012 06:19 PM, Alvaro Herrera wrote:
> I wonder if it would make sense to split out those changes from the
> patch, including a one-member struct definition to the lexer source,
> which could presumably be applied in advance of the rest of the patch.
> That way, if other parts of the main patch are contentious, the tree
> doesn't drift under you.  (Or rather, it still drifts, but you no longer
> care because your bits are already in.)

The way this was packaged up was for easier reviewer consumption, just 
pull down the whole thing and run with it.  I was already thinking that 
if we've cleared the basics with a positive review and are moving more 
toward commit, it would be better to have it split into three pieces:

-Core parsing changes
-pg_stat_statements changes
-Test programs

And then work through those in that order.  Whether or not the test 
programs even go into core as contrib code is a useful open question.

While Peter had a version of this that worked completely within the 
boundaries of an extension, no one was really happy with that.  At a 
minimum the .length changes really need to land in 9.2 to enable this 
feature to work well.  As Daniel noted, it's a lot of code changes, but 
not a lot of code complexity.

-- 
Greg Smith   2ndQuadrant US    greg@2ndQuadrant.com   Baltimore, MD
PostgreSQL Training, Services, and 24x7 Support www.2ndQuadrant.com



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