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Reviewing the cases where we need to LOCK a given table during a dump, it was pointed out by Tom that we really don't need to LOCK a table if we are only looking to dump the ACL for it, or certain other components. After reviewing the queries run for all of the component pieces, a list of components were determined to not require LOCK'ing of the table. This implements a check to avoid LOCK'ing those tables. Initial complaint from Rushabh Lathia, discussed with Robert and Tom, the patch is mine.
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/.