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A new function dsa_allocate_extended now takes flags which indicate that huge allocations should be permitted, that out-of-memory conditions should not throw an error, and/or that the returned memory should be zero-filled, just like MemoryContextAllocateExtended. Commit 9acb85597f1223ac26a5b19a9345849c43d0ff54, which added dsa_allocate0, was broken because it failed to account for the possibility that dsa_allocate() might return InvalidDsaPointer. This fixes that problem along the way. Thomas Munro, with some comment changes by me. Discussion: http://postgr.es/m/CA+Tgmobt7CcF_uQP2UQwWmu4K9qCHehMJP9_9m1urwP8hbOeHQ@mail.gmail.com
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/.