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This commit removes a dependency to the central logging facilities in the JSON parsing routines of src/common/, which existed to log errors when seeing error codes that do not match any existing values in JsonParseErrorType, which is not something that should never happen. The routine providing a detailed error message based on the error code is made backend-only, the existing code being unsafe to use in the frontend as the error message may finish by being palloc'd or point to a static string, so there is no way to know if the memory of the message should be pfree'd or not. The only user of this routine in the frontend was pg_verifybackup, that is changed to use a more generic error message on parsing failure. Note that making this code more resilient to OOM failures if used in shared libraries would require much more work as a lot of code paths still rely on palloc() & friends, but we are not sure yet if we need to go down to that. Still, removing the dependency to logging is a step toward more portability. This cleans up the handling of check_stack_depth() while on it, as it exists only in the backend. Per discussion with Jacob Champion and Tom Lane. Discussion: https://postgr.es/m/YNwL7kXwn3Cckbd6@paquier.xyz
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/.