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4ec6581c0c
Formerly we passed an empty list to each per-child-table invocation of grouping_planner, and then merged the results into the global list. However, that fails if there's a CTE attached to the statement, because create_ctescan_plan uses the list to find the plan referenced by a CTE reference; so it was unable to find any CTEs attached to the outer UPDATE or DELETE. But there's no real reason not to use the same list throughout the process, and doing so is simpler and faster anyway. Per report from Josh Berkus of "could not find plan for CTE" failures. Back-patch to 9.1 where we added support for WITH attached to UPDATE or DELETE. Add some regression test cases, too. |
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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/.