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It's important to know that a trigger is cloned from a parent table, because of the behavior that the trigger is dropped on detach. Make psql's \d display it. We'd like to backpatch, but lack of the pg_trigger.tgparentid column makes it more difficult. Punt for now. If somebody wants to volunteer an implementation that reads pg_depend on older versions, that can probably be backpatched. Authors: Justin Pryzby, Amit Langote, Álvaro Herrera Discussion: https://postgr.es/m/20200419002206.GM26953@telsasoft.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. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download/ See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.