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This is mostly straightforward, except that if the range type has a canonical function, that might throw an error during range input. (Such errors probably only occur for edge cases: in the in-core canonical functions, it happens only if a bound has the maximum valid value for the underlying type.) Hence, this patch extends the soft-error regime to allow canonical functions to return errors softly as well. Extensions implementing range canonical functions will need modification anyway because of the API change for range_serialize(); while at it, they might want to do something similar to what's been done here in the in-core canonical functions. Discussion: https://postgr.es/m/3284599.1671075185@sss.pgh.pa.us |
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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/.