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Those data types use parsing and/or calculation wrapper routines which can generate some generic error messages in the event of a failure. The caller of these routines can also pass a pointer variable settable by the routine to track if an error has happened, letting the caller decide what to do in the event of an error and what error message to generate. Those routines have been slacking the initialization of the tracking flag, which can be confusing when reading the code, so add some safeguards against calls of these parsing routines which could lead to a dubious result. The LSN parsing gains an assertion to make sure that the tracking flag is set, while numeric and float paths initialize the flag to a saner state. Author: Jeevan Ladhe Reviewed-by: Álvaro Herrera, Michael Paquier Discussion: https://postgr.es/m/CAOgcT0NOM9oR0Hag_3VpyW0uF3iCU=BDUFSPfk9JrWXRcWQHqw@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/.