| From: | Vivek Khera <khera(at)kcilink(dot)com> |
|---|---|
| To: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: deferred foreign keys |
| Date: | 2004-01-05 16:33:40 |
| Message-ID: | x7isjqcq3f.fsf@yertle.int.kciLink.com |
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| Lists: | pgsql-performance |
>>>>> "CK" == Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> writes:
>> One more question: does the FK checker know to skip checking a
>> constraint if the column in question did not change during an update?
CK> As of 7.4, yes the check is skipped.
Thanks. Then it sorta makes it moot for me to try deferred checks,
since the Pimary and Foreign keys never change once set. I wonder
what is making the transactions appear to run lockstep, then...
--
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Vivek Khera, Ph.D. Khera Communications, Inc.
Internet: khera(at)kciLink(dot)com Rockville, MD +1-301-869-4449 x806
AIM: vivekkhera Y!: vivek_khera http://www.khera.org/~vivek/
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