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use the old relfilenode in the new tablespace. There might be another relation in the new tablespace with the same relfilenode, so we must generate a fresh relfilenode in the new tablespace. The 8.3 patch to let deleted relation files linger as zero-length files until the next checkpoint made this more obvious: moving a relation from one table space another, and then back again, caused a collision with the lingering file. Back-patch to 8.1. The issue is present in 8.0 as well, but it doesn't seem worth fixing there, because we didn't have protection from OID collisions after OID wraparound before 8.1. Report by Guillaume Lelarge. |
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| contrib | ||
| doc | ||
| src | ||
| aclocal.m4 | ||
| configure | ||
| configure.in | ||
| COPYRIGHT | ||
| GNUmakefile.in | ||
| Makefile | ||
| README | ||
| README.CVS | ||
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/.