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When executing DDL on a partitioned table or on a table with inheritance children, statement-level triggers must be fired against the table given in the original statement. The code to look that up was a bit messy and duplicative. Commit 501ed02cf6 added a helper function, getASTriggerResultRelInfo() (later renamed to getTargetResultRelInfo()) for it, but for some reason it was only used when firing AFTER STATEMENT triggers and the code to fire BEFORE STATEMENT triggers duplicated the logic. Determine the target relation in ExecInitModifyTable(), and set it always in ModifyTableState. Code that used to call getTargetResultRelInfo() can now use ModifyTableState->rootResultRelInfo directly. Discussion: https://www.postgresql.org/message-id/CA%2BHiwqFViT47Zbr_ASBejiK7iDG8%3DQ1swQ-tjM6caRPQ67pT%3Dw%40mail.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. 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/.