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A discussion about also reporting JIT compilation overhead on workers brought unhappiness with the verbosity of the current explain format to light. Make the text format more dense, and restructure the structured output to mirror that more closely. As we're re-jiggering the output format anyway: The denser format allows us to report all flags for JIT compilation (now also reporting PGJIT_EXPR and PGJIT_DEFORM), and report the total time in addition to the individual times. Per complaint from Tom Lane. Author: Andres Freund Discussion: https://postgr.es/m/27812.1537221015@sss.pgh.pa.us Backpatch: 11-, where JIT compilation was introduced
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/.