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When $(MODULES) and $(MODULE_big) are empty, derive the database name from the first element of $(REGRESS) instead of using a constant string. When deriving the database name from $(MODULES), use its first element instead of the entire list; the earlier approach would fail if any multi-module directory had $(REGRESS) tests. Treat isolation suites and src/pl correspondingly. Under USE_MODULE_DB=1, installcheck-world and check-world no longer reuse any database name in a given postmaster. Buildfarm members axolotl, mandrill and frogfish saw spurious "is being accessed by other users" failures that would not have happened without database name reuse. (The CountOtherDBBackends() 5s deadline expired during DROP DATABASE; a backend for an earlier test suite had used the same database name and had not yet exited.) Back-patch to 9.4 (all supported versions), except bits pertaining to isolation suites. Concept reviewed by Andrew Dunstan, Andres Freund and Tom Lane. Discussion: https://postgr.es/m/20190401135213.GE891537@rfd.leadboat.com |
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README.git |
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/.