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30168be8f7
In the wake of 84f5c2908, it's no longer necessary for plpgsql to handle SET/RESET specially. The point of that was just to avoid taking a new transaction snapshot prematurely, which the regular code path through _SPI_execute_plan() now does just fine (in fact better, since it now does the right thing for LOCK too). Hence, rip out a few lines of code, going back to the old way of treating SET/RESET as a generic SQL command. This essentially reverts all but the test cases from b981275b6. Discussion: https://postgr.es/m/15990-eee2ac466b11293d@postgresql.org
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/.