| From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | hackers(at)postgreSQL(dot)org (PostgreSQL-development) |
| Subject: | samekeys |
| Date: | 1999-02-08 21:28:54 |
| Message-ID: | 199902082128.QAA26663@candle.pha.pa.us |
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| Lists: | pgsql-hackers |
I think I have solved the optimizer problem. It appears in samekeys().
Can someone check that function, and see if you come up with the same
fix I do (without knowing my fix)?
A 9-table join that used to run for minutes and fail now completes in
seconds! I want to commit this, but want confirmation from someone else
that my fix is correct.
--
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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