Re: TRUNCATE locking problem

Tom Lane wrote:

>Joe Maldonado <jmaldonado@webehosting.biz> writes:
>
>
>>While researching this locking issue I got some of the logs and found
>>that in one of the cases there was a SELECT running for a long time,
>>about 2 hours.  This select statement does not usually take more than a
>>few seconds though, it appeared that TRUNCATE was waiting on it to
>>finish before continuing.
>>
>>
>
>
>
>>The SELECT statement in question contains a sub SELECT in the FROM
>>clause which in turn is joining with a view that contains the table
>>which TRUNCATE is being executed against.
>>
>>
>
>
>
>>Is it possible that the SELECT was issues just before the TRUNCATE
>>statement was issues and the view in the sub SELECT was waiting on
>>TRUNCATE's lock?
>>
>>
>
>No.  That would be a deadlock and would be reported as such.
>
>            regards, tom lane
>
>

Again many thanks :)

- Joe Maldonado