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Some fields of the sinfo struct are modified within PG_TRY and then referenced within PG_CATCH, so as with recent patch to async.c, "volatile" is necessary for strict POSIX compliance; and that propagates to a couple of subroutines as well as materializeQueryResult() itself. I think the risk of actual issues here is probably higher than in async.c, because storeQueryResult() is likely to get inlined into materializeQueryResult(), leaving the compiler free to conclude that its stores into sinfo fields are dead code. |
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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. 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/.