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Re: Deferred constraints and locks...

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Nathan Wilhelmi <wilhelmi@xxxxxxxx> writes:
> Hello - Trying to track down a lock contention problem, I have a process 
> that does a series of select / insert operations. At some point the 
> process grabs a series of RowExclusiveLock(s) and has the obvious effect 
> of stalling other processes. I logged all the statements and don't see 
> any for update or explicit lock statements.

Insert statements would naturally take RowExclusiveLock, but that
doesn't block other DML operations.  So the question is what *else*
are you doing?

			regards, tom lane

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