On Wed, May 5, 2021 at 7:59 PM Pavel Luzanov <p.luzanov@postgrespro.ru> wrote:
> I found this in the documentation, section '5.11.3. Partitioning Using Inheritance'[1]:
> "Some operations require a stronger lock when using declarative partitioning than when using table inheritance. For
example,removing a partition from a partitioned table requires taking an ACCESS EXCLUSIVE lock on the parent table,
whereasa SHARE UPDATE EXCLUSIVE lock is enough in the case of regular inheritance."
>
> This point is no longer valid with some restrictions. If the table has a default partition, then removing a partition
stillrequires taking an ACCESS EXCLUSIVE lock.
>
> May be make sense to add some details about DETACH CONCURRENTLY to the section '5.11.2.2. Partition Maintenance' and
completelyremove this point?
>
> 1. https://www.postgresql.org/docs/devel/ddl-partitioning.html#DDL-PARTITIONING-USING-INHERITANCE
That makes sense, thanks for noticing.
How about the attached?
--
Amit Langote
EDB: http://www.enterprisedb.com