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Supporting deletion of JSON pairs within jsonb objects using an array-style integer subscript allowed for surprising outcomes. This was mostly due to the implementation-defined ordering of pairs within objects for jsonb. It also seems desirable to make jsonb integer subscript deletion consistent with the 9.4 era general purpose integer subscripting operator for jsonb (although that operator returns NULL when an object is encountered, while we prefer here to throw an error). Peter Geoghegan, following discussion on -hackers. |
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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/.