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When starting either an old or new postmaster, force it to place its Unix socket in the current directory. This makes it even harder for accidental connections to occur during pg_upgrade, and also works around some scenarios where the default socket location isn't usable. (For example, if the default location is something other than "/tmp", it might not exist during "make check".) When checking an already-running old postmaster, find out its actual socket directory location from postmaster.pid, if possible. This dodges problems with an old postmaster having a configured location different from the default built into pg_upgrade's libpq. We can't find that out if the old postmaster is pre-9.1, so also document how to cope with such scenarios manually. In support of this, centralize handling of the connection-related command line options passed to pg_upgrade's subsidiary programs, such as pg_dump. This should make future changes easier. Bruce Momjian and Tom Lane |
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| configure | ||
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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. Changes between all PostgreSQL releases are recorded in the file HISTORY. 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/.