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879c117615
Currently, postgres_fdw does not support preparing a remote transaction for two-phase commit even in the case where the remote transaction is read-only, but the old error message appeared to imply that that was not supported only if the remote transaction modified remote tables. Change the message so as to include the case where the remote transaction is read-only. Also fix a comment above the message. Also add a note about the lack of supporting PREPARE TRANSACTION to the postgres_fdw documentation. Reported-by: Gilles Darold Author: Gilles Darold and Etsuro Fujita Reviewed-by: Michael Paquier and Kyotaro Horiguchi Backpatch-through: 9.4 Discussion: https://postgr.es/m/08600ed3-3084-be70-65ba-279ab19618a5%40darold.net |
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| configure | ||
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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: https://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 https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.