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ALTER TABLE ... SPLIT PARTITION allows a DEFAULT partition to be created as one of the replacement partitions when the parent table does not already have one. However, it should not allow the degenerate case where a non-DEFAULT partition keeps exactly the same bound as the split partition and the command merely adds a DEFAULT partition through the SPLIT PARTITION path. Detect that case by comparing the bound of the split partition with the bound of the only non-DEFAULT replacement partition, and raise an error when they are the same. Users should add a DEFAULT partition directly with CREATE TABLE ... PARTITION OF ... DEFAULT or ALTER TABLE ... ATTACH PARTITION ... DEFAULT instead. Author: Chao Li <lic@highgo.com> Reviewed-by: Alexander Korotkov <aekorotkov@gmail.com> Discussion: https://postgr.es/m/C18878AB-DEB2-4A61-9995-A035DD644B81@gmail.com
PostgreSQL Database Management System
This directory contains the source code distribution of the PostgreSQL database management system.
PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.
Copyright and license information can be found in the file COPYRIGHT.
General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.
The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.