400c810ddb
FOREIGN_JOIN target sublists must contain at least two relation identifiers. However, the parser checked only for sublists with exactly one identifier, so FOREIGN_JOIN(()) was accepted. Reject sublists with fewer than two relation identifiers, and add regression coverage. Author: Chao Li <lic@highgo.com> Discussion: http://postgr.es/m/BEDC04E0-6732-4310-95BA-6EC34BC1442C@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/19/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/19/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/.