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The executor will dump core if it's asked to execute a seqscan on a relation having no table AM, such as a view. While that shouldn't really happen, it's possible to get there via catalog corruption, such as a missing ON SELECT rule. It seems worth installing a defense against that. There are multiple plausible places for such a defense, but I picked the planner's get_relation_info(). Per discussion of bug #17646 from Kui Liu. Back-patch to v12 where the tableam APIs were introduced; in older versions you won't get a SIGSEGV, so it seems less pressing. Discussion: https://postgr.es/m/17646-70c93cfa40365776@postgresql.org |
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| src | ||
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| .dir-locals.el | ||
| .editorconfig | ||
| .git-blame-ignore-revs | ||
| .gitattributes | ||
| .gitignore | ||
| aclocal.m4 | ||
| configure | ||
| configure.ac | ||
| COPYRIGHT | ||
| GNUmakefile.in | ||
| HISTORY | ||
| Makefile | ||
| README | ||
| 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/.