On Thu, Feb 25, 2016 at 1:09 PM, Robert Haas <robertmh...@gmail.com> wrote:
> On Thu, Feb 25, 2016 at 8:53 AM, Amit Kapila <amit.kapil...@gmail.com> wrote:
>>>   But if the user says
>>> they want to PREPARE the query, they are probably not going to fetch
>>> all rows.
>> After PREPARE, user will execute the statement using EXECUTE and
>> I don't see how user can decide number of rows to fetch which can
>> influence the execution.  Can you please elaborate your point more
>> and what is your expectation for the same?
> Argh.  I'm getting confused between prepared statements and cursors.
> So if the user does PREPARE followed by EXECUTE, then that is OK.  The
> problem is only if they use DECLARE .. CURSOR FOR, which your patch
> doesn't affect.
> So, committed.

And, I'm going to revert this part.  If you'd run the regression tests
under force_parallel_mode=regress, max_parallel_degree>0, you would
have noticed that this part breaks it, because of CREATE TABLE ... AS

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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