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6545a901aa
pg_backup_db.c contained a mini SQL lexer with which it tried to identify boundaries between SQL commands, but that code was not designed to cope with standard_conforming_strings, and would get the wrong answer if a backslash immediately precedes a closing single quote in such a string, as per report from Julian Mehnle. The bug only affects direct-to-database restores from archive files made with standard_conforming_strings = on. Rather than complicating the code some more to try to fix that, let's just rip it all out. The only reason it was needed was to cope with COPY data embedded into ordinary archive entries, which was a layout that was used only for about the first three weeks of the archive format's existence, and never in any production release of pg_dump. Instead, just rely on the archive file layout to tell us whether we're printing COPY data or not. This bug represents a data corruption hazard in all releases in which standard_conforming_strings can be turned on, ie 8.2 and later, so back-patch to all supported branches. |
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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/.