Hello, Okay, thank you very much, Mr. David, for your support and the information, Eşref To: Eşref Halıcıoğlu (esref.halicio...@primeit.com.tr);Cc: pgsql-general@lists.postgresql.org;Subject: About PostgreSQL Query Plan;14.01.2025, 13:09, "David Rowley" :On Tue, 14 Jan
On Tue, 14 Jan 2025 at 03:45, Eşref Halıcıoğlu
wrote:
> I do not fully understand the logic of this issue. I would be very grateful
> if you can share information on the subject.
>
> The query plan is as follows.
>
> Update on "test_table1" tt1 (cost=0.13..159112.84 rows=0 width=0)
> Update on
would be very grateful if you could help me. Thank you, Eşref Halıcıoğlu To: Eşref Halıcıoğlu (esref.halicio...@primeit.com.tr);Cc: pgsql-general@lists.postgresql.org;Subject: About PostgreSQL Query Plan;13.01.2025, 19:56, "hubert depesz lubaczewski" :On Mon, Jan 13, 2025 at
;)) -> Index Scan using partitiontable_2024_12_pkey on "PartitionTable_2024_12" t4 (cost=0.43..4.34 rows=1 width=38) (never executed) Index Cond: (("Col1" = tmp."Col2") AND ("Col3" >= (CURRENT_DATE - '3 mons'::interval))
On Mon, Jan 13, 2025 at 08:01:56PM +0300, Eşref Halıcıoğlu wrote:
> Yes, you are right; it seems that only 4 batches had data changes. However,
> the query also accessed other batches and then removed
> them again. What could be the reason for this and how can it be solved?
>
> Obviously, I woul
On Mon, Jan 13, 2025 at 07:48:09PM +0300, Eşref Halıcıoğlu wrote:
> Hello,
>
> Yes, you are right; this query is not a SELECT, it is an UPDATE query, there
> was a mistake in expressing it here. The columns I want
> to update here only operate on data from the last 3 months time interval.
>
>
On Mon, Jan 13, 2025 at 05:26:09PM +0300, Eşref Halıcıoğlu wrote:
> Hello,
>
> I have a query in PostgreSQL and I want this query to retrieve only data from
> the last 3 months. However, when I examine the query
> plan, I see that all partitions are listed.
Please note that your explain is for
Hello, I have a query in PostgreSQL and I want this query to retrieve only data from the last 3 months. However, when I examine the query plan, I see that all partitions are listed. This raises a few questions in my mind:Are all partitions really being accessed, or only the partitions of the last 3