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Using pgbench in an environment with both PGPORT and PGUSER set would have caused the generation of a debug log with an incorrect database name due to an oversight in 412893b. Not specifying user, port and/or database using the option switches, without their respective environment variables, generated a log entry with empty strings, which was rather useless. This commit fixes this set of issues by simplifying the logic grabbing the connection information, removing a set of getenv() calls that emulated what libpq already does. The faulty debug log now directly uses the information from the libpq connection, and it gets generated after the connection to the backend is completed, not before it (in the event of a failure libpq would complain with more information about the connection attempt so the log is not really useful before anyway). Author: Kota Miyake Reviewed-by: Fujii Masao, Michael Paquier Discussion: https://postgr.es/m/026b3ae6fc339a18394d053c32a4463d@oss.nttdata.com
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/.