Alvaro Herrera wrote:
> Hello,
>
> After some rather extensive rewriting, I submit the patch to improve
> foreign key locks.
>
> To recap, the point of this patch is to introduce a new lock tuple mode,
> that lets the RI code obtain a lighter lock on tuples, which doesn't
> conflict with updates that do not modify the key columns.
What kind of operations benefit from a non-key lock like this?
-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://enterprisedb.com
+ It's impossible for everything to be true. +