From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
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To: | maillist(at)candle(dot)pha(dot)pa(dot)us (Bruce Momjian) |
Cc: | scrappy(at)hub(dot)org, vadim(at)krs(dot)ru, lockhart(at)alumni(dot)caltech(dot)edu, hackers(at)postgreSQL(dot)org |
Subject: | Re: [HACKERS] FOR SHARE LOCK clause ?] |
Date: | 1999-01-06 01:30:03 |
Message-ID: | 199901060130.UAA19168@candle.pha.pa.us |
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Thread: | |
Lists: | pgsql-hackers |
OK, I have retrieved Vadim's original proposal for LLL from July. (No
wonder I didn't remember it.)
He basically describes the MVCC system at the bottom, and at the top, I
am discussing a way to avoid a mapping of SCN's to XID's. There are
other postings that finally resolved the issue. At least Vadim didn't
say I was way off, so somehow he resolved it.
This is an great benefit. We don't have to apologize about table-level
locking anymore. I didn't think it could be done, and Vadim's changes
kind of came as a surprise to me, probably because I didn't understand
the ramifications when discussing it in July.
--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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