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rewriteRuleAction() neglected this step, although it was careful to propagate other similar flags such as hasSubLinks or hasRowSecurity. Omitting to transfer hasRecursive is just cosmetic at the moment, but omitting hasModifyingCTE is a live bug, since the executor certainly looks at that. The proposed test case only fails back to v10, but since the executor examines hasModifyingCTE in 9.x as well, I suspect that a test case could be devised that fails in older branches. Given the nearness of the release deadline, though, I'm not going to spend time looking for a better test. Report and patch by Greg Nancarrow, cosmetic changes by me Discussion: https://postgr.es/m/CAJcOf-fAdj=nDKMsRhQzndm-O13NY4dL6xGcEvdX5Xvbbi0V7g@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. 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/.