Re: Parallel Seq Scan

On 1/9/15, 3:34 PM, Stephen Frost wrote:
> * Stefan Kaltenbrunner (stefan@kaltenbrunner.cc) wrote:
>> On 01/09/2015 08:01 PM, Stephen Frost wrote:
>>> Now, for debugging purposes, I could see such a parameter being
>>> available but it should default to 'off/never-fail'.
>>
>> not sure what it really would be useful for - if I execute a query I
>> would truely expect it to get answered - if it can be made faster if
>> done in parallel thats nice but why would I want it to fail?
>
> I was thinking for debugging only, though I'm not really sure why you'd
> need it if you get a NOTICE when you don't end up with all the workers
> you expect.

Yeah, debugging is my concern as well. You're working on a query, you expect it to be using parallelism, and EXPLAIN is
showingit's not. Now you're scratching your head.
 
-- 
Jim Nasby, Data Architect, Blue Treble Consulting
Data in Trouble? Get it in Treble! http://BlueTreble.com