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When converting a timestamp to/from with/without time zone, the SQL Standard specifies an AT LOCAL variant of AT TIME ZONE which uses the session's time zone. This includes three system functions able to do the work in the same way as the existing flavors for AT TIME ZONE, except that these need to be marked as stable as they depend on the session's TimeZone GUC. Bump catalog version. Author: Vik Fearing Reviewed-by: Laurenz Albe, Cary Huang, Michael Paquier Discussion: https://postgr.es/m/8e25dec4-5667-c1a5-6581-167d710c2182@postgresfriends.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/.