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There seems little reason for the policy of throwing error if we find a ref to something other than a hash or array. Recursively look through the ref, instead. This makes the behavior in non-transform cases comparable to what was already instantiated for jsonb_plperl. Note that because we invoke any available transform function before considering the ref case, it's up to each transform function whether it wants to play along with this behavior or do something different. Because the previous behavior was just to throw a useless error, this seems unlikely to create any compatibility issues. Still, given the lack of field complaints so far, seems best not to back-patch. Discussion: https://postgr.es/m/28336.1528393969@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/.