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When a child constraint is validated and the parent constraint it derives from isn't, pg_dump must be coerced into printing the child constraint; failing to do would result in a dump that restores the constraint as not valid, which would be incorrect. Co-authored-by: jian he <jian.universality@gmail.com> Co-authored-by: Álvaro Herrera <alvherre@kurilemu.de> Reported-by: jian he <jian.universality@gmail.com> Message-id: https://postgr.es/m/CACJufxGHNNMc0E2JphUqJMzD3=bwRSuAEVBF5ekgkG8uY0Q3hg@mail.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/.