Re: FlexLocks
Robert Haas <robertmhaas@gmail.com>
From: Robert Haas <robertmhaas@gmail.com>
To: Kevin Grittner <Kevin.Grittner@wicourts.gov>
Cc: Simon Riggs <simon@2ndquadrant.com>, Alvaro Herrera <alvherre@commandprompt.com>, Pg Hackers <pgsql-hackers@postgresql.org>, Tom Lane <tgl@sss.pgh.pa.us>
Date: 2011-11-16T20:17:06Z
Lists: pgsql-hackers
Commits
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Fix copyright notices, other minor editing in new range-types code.
- f1585362856d 9.2.0 cited
Attachments
- flexlock-v2.patch (application/octet-stream) patch v2
- procarraylock-v1.patch (application/octet-stream) patch v1
On Wed, Nov 16, 2011 at 12:25 PM, Kevin Grittner <Kevin.Grittner@wicourts.gov> wrote: >> We could alternatively change one or the other of them to be a >> struct with one member, but I think the cure might be worse than >> the disease. By my count, we are talking about saving perhaps as >> many as 34 lines of code changes here, and that's only if >> complicating the type handling doesn't require any changes to >> places that are untouched at present, which I suspect it would. > > So I stepped through all the changes of this type, and I notice that > most of them are in areas where we've talked about likely benefits > of creating new FlexLock variants instead of staying with LWLocks; > if any of that is done (as seems likely), it further reduces the > impact from 34 lines. If we take care of LWLockHeldByMe() as you > describe, I'll concede the FlexLockId changes. Updated patches attached. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company