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Previously, all scripts had the same probability of being chosen when multiple of them were specified via -b, -f, -N, -S. With this commit, -b and -f now search for an "@" in the script name and use the integer found after it as the drawing probability for that script. (One disadvantage is that if you have script whose names contain @, you are now forced to specify "@1" at the end; otherwise the name's @ is confused with a weight separator. We don't expect many pgbench script with @ in their names in the wild, so this shouldn't be too serious a problem.) While at it, rework the interface between addScript, process_file, process_builtin, and findBuiltin. It had gotten a bit out of hand with recent commits. Author: Fabien Coelho Reviewed-By: Andres Freund, Robert Haas, Álvaro Herrera, Michaël Paquier Discussion: http://www.postgresql.org/message-id/alpine.DEB.2.10.1603160721240.1666@sto
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: http://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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.