On 2022-Apr-14, Benjamin Tingle wrote:
> It doesn't help if I partition temp_data by textfield beforehand either
> (using the same scheme as the target table). It still opts to concatenate
> all of temp_data, hash it, then perform a sequential scan against the
> target partitions.
Does it still d
Benjamin Tingle writes:
> Interesting. Why is it impossible to prune hash partitions? Maybe prune
> isn’t the best word, more so use to advantage. At the very least, it should
> be possible to utilize a parallel insert against a table partitioned by
> hash. (Partition query rows, then distribute t
Interesting. Why is it impossible to prune hash partitions? Maybe prune
isn’t the best word, more so use to advantage. At the very least, it should
be possible to utilize a parallel insert against a table partitioned by
hash. (Partition query rows, then distribute these rows to parallel workers)
O
On Sun, Apr 17, 2022 at 8:53 AM Kumar, Mukesh
wrote:
> We request you to please provide some assistance on below issue and it is
> impacting the migration project.
>
I suggest you try and re-write the loop-based function into a set-oriented
view.
Specifically, I think doing: "array_agg(DISTINCT
Benjamin Tingle writes:
> I've recently started taking advantage of the PARTITION BY HASH feature for
> my database system. It's a really great fit since my tables can get quite
> large (900M+ rows for some) and splitting them up into manageable chunks
> should let me upload to them without having
Hi All ,
We request you to please provide some assistance on below issue and it is
impacting the migration project.
Thanks and Regards,
Mukesh Kumar
From: Kumar, Mukesh
Sent: Friday, April 15, 2022 11:43 AM
To: Bhupendra Babu
Cc: Michel SALAIS ; Ranier Vilela ;
postgres performance list ; MUK
Hi Babu ,
Please find below the script for the function from Oracle
Hi babu ,
Please find attached the script for function from Oracle .
Please revert in case of any query.
Thanks and Regards,
Mukesh Kumar
From: Bhupendra Babu
Sent: Friday, April 15, 2022 3:44 AM
To: Kumar, Mukesh
Cc: Miche
Greetings Postgres Developers,
I've recently started taking advantage of the PARTITION BY HASH feature for
my database system. It's a really great fit since my tables can get quite
large (900M+ rows for some) and splitting them up into manageable chunks
should let me upload to them without having