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d17a667e80
Various places were supposing that errno could be expected to hold still within an ereport() nest or similar contexts. This isn't true necessarily, though in some cases it accidentally failed to fail depending on how the compiler chanced to order the subexpressions. This class of thinko explains recent reports of odd failures on clang-built versions, typically missing or inappropriate HINT fields in messages. Problem identified by Christian Kruse, who also submitted the patch this commit is based on. (I fixed a few issues in his patch and found a couple of additional places with the same disease.) Back-patch as appropriate to all supported branches. |
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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. 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/.