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When enabled (default off), this logs a backtrace anytime elog() or an equivalent ereport() for internal errors is called. This is not well covered by the existing backtrace_functions, because there are many equally-worded low-level errors in many functions. And if you find out where the error is, then you need to manually rewrite the elog() to ereport() to attach the errbacktrace(), which is annoying. Having a backtrace automatically on every elog() call could be very helpful during development for various kinds of common errors from palloc, syscache, node support, etc. Discussion: https://www.postgresql.org/message-id/flat/ba76c6bc-f03f-4285-bf16-47759cfcab9e@eisentraut.org
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. Copyright and license information can be found in the file COPYRIGHT. General documentation about this version of PostgreSQL can be found at: https://www.postgresql.org/docs/devel/ In particular, information about building PostgreSQL from the source code can be found at: https://www.postgresql.org/docs/devel/installation.html The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.