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The tables created by pgbench rely on a few assumptions for TPC-B, where the "filler" attribute is used to comply with this benchmark's rules as well as pgbencn historical behavior. The data generated for each table uses this filler in a different way: - pgbench_accounts uses it as a blank-padded empty string. - pgbench_tellers and pgbench_branches use it as a NULL value. There were no checks done about the consistency of the data initialized, and this has showed up while discussing a patch that changes the logic in charge of the client-side data generation (pgbench documents all that already in its comments). This commit adds some checks on the data generated for both the server-side and client-side logic. Reviewed-by: Tristan Partin Discussion: https://postgr.es/m/ZLik4oKnqRmVCM3t@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/.