9354896920
When splitting a range partition and defining a new DEFAULT partition, the validation checked the lower bound of the first explicit partition and the upper bound of explicit partitions only when they were not first. If there was exactly one explicit non-DEFAULT partition, its upper bound was therefore not checked. This could allow the replacement partition to extend beyond the upper bound of the partition being split, potentially overlapping another existing partition. Fix this by checking the upper bound whenever the explicit partition is the last one. Add a regression test covering the single explicit partition plus DEFAULT case. Author: Chao Li <lic@highgo.com> Reviewed-by: Kirill Reshke <reshkekirill@gmail.com> Reviewed-by: Zhenwei Shang <a934172442@gmail.com> Reviewed-by: Dmitry Koval <d.koval@postgrespro.ru> Reviewed-by: Alexander Korotkov <aekorotkov@gmail.com> Discussion: https://postgr.es/m/C18878AB-DEB2-4A61-9995-A035DD644B81@gmail.com |
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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/.