| From: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl> |
| Cc: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, elein <elein(at)varlena(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Adding MERGE to the TODO list (resend with subject) |
| Date: | 2004-05-09 04:13:31 |
| Message-ID: | 409DAFEB.7020300@familyhealth.com.au |
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| Lists: | pgsql-general pgsql-hackers pgsql-sql |
> I intend to release locks on subtransaction abort, so if the update
> fails there's room for another transaction to insert the key (which I
> understand should fail?). I guess there's a different locking mechanism
> needed; I believe nested transactions will not be enough.
Except you can keep trying and trying without the outermost transaction
failing.
Chris
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