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SET CONSTRAINTS ... DEFERRED failed on partitioned tables, because of a sanity check that ensures that the affected constraints have triggers. On partitioned tables, the triggers are in the leaf partitions, not in the partitioned relations themselves, so the sanity check fails. Removing the sanity check solves the problem, because the code needed to support the case is already there. Backpatch to 11. Note: deferred unique constraints are not affected by this bug, because they do have triggers in the parent partitioned table. I did not add a test for this scenario. Discussion: https://postgr.es/m/20191105212915.GA11324@alvherre.pgsql |
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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/.