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MD5 authentication warnings are queued during authentication, before startup options and role/database settings have been applied. The code checked md5_password_warnings at queue time, so settings such as ALTER ROLE ... SET md5_password_warnings = off did not suppress the warning, even though the established session showed the GUC as off. Keep the connection-warning infrastructure generic by allowing each queued warning to carry an optional filter callback. Evaluate that callback when warnings are emitted, after startup options and role/database settings have been processed. Use this for MD5 authentication warnings, while leaving password expiration warnings unchanged. Add test coverage for an MD5-authenticated role with md5_password_warnings disabled. Author: Chao Li <lic@highgo.com> Reviewed-by: Japin Li <japinli@hotmail.com> Reviewed-by: Fujii Masao <masao.fujii@gmail.com> Discussion: https://postgr.es/m/AE46E42D-5966-4D76-9E64-95EAB01B9FB5@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/.