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When building the initial historic catalog snapshot there were scenarios where snapbuild.c would use incorrect xmin/xmax values when starting from a xl_running_xacts record. The values used were always a bit suspect, but happened to be correct in the easy to test cases. Notably the values used when the the initial snapshot was computed while no other transactions were running were correct. This is likely to be the cause of the occasional buildfarm failures on animals markhor and tick; but it's quite possible to reproduce problems without CLOBBER_CACHE_ALWAYS. Backpatch to 9.4, where logical decoding was introduced. |
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| configure | ||
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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: 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/.