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In commit 0f61d4dd1b4f95832dcd81c9688dac56fd6b5687, I added code to copy up column width estimates for each column of a subquery. That code supposed that the subquery couldn't have any output columns that didn't correspond to known columns of the current query level --- which is true when a query is parsed from scratch, but the assumption fails when planning a view that depends on another view that's been redefined (adding output columns) since the upper view was made. This results in an assertion failure or even a crash, as per bug #8025 from lindebg. Remove the Assert and instead skip the column if its resno is out of the expected range.
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/.