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343c2a865b
If pg_extension_config_dump() is executed again for a table already listed in the extension's extconfig, the code was blindly making a new array entry. This does not seem useful. Fix it to replace the existing array entry instead, so that it's possible for extension update scripts to alter the filter conditions for configuration tables. In addition, teach ALTER EXTENSION DROP TABLE to check for an extconfig entry for the target table, and remove it if present. This is not a 100% solution because it's allowed for an extension update script to just summarily DROP a member table, and that code path doesn't go through ExecAlterExtensionContentsStmt. We could probably make that case clean things up if we had to, but it would involve sticking a very ugly wart somewhere in the guts of dependency.c. Since on the whole it seems quite unlikely that extension updates would want to remove pre-existing configuration tables, making the case possible with an explicit command seems sufficient. Per bug #7756 from Regina Obe. Back-patch to 9.1 where extensions were introduced. |
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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/.