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0ca6bda8e7
These functions were relying on typcategory to identify arrays and composites, which is not reliable and not the normal way to do it. Using typcategory to identify boolean, numeric types, and json itself is also pretty questionable, though the code in those cases didn't seem to be at risk of anything worse than wrong output. Instead, use the standard lsyscache functions to identify arrays and composites, and rely on a direct check of the type OID for the other cases. In HEAD, also be sure to look through domains so that a domain is treated the same as its base type for conversions to JSON. However, this is a small behavioral change; given the lack of field complaints, we won't back-patch it. In passing, refactor so that there's only one copy of the code that decides which conversion strategy to apply, not multiple copies that could (and have) gotten out of sync. |
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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: http://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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.