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We restrict typed tables (those declared as "OF composite_type") to be based on stand-alone composite types, not composite types that are the implicitly-created rowtypes of other tables. But if you tried to do that, you got the very confusing error message "type foo is not a composite type". Provide a more specific message for that case. Also clarify related documentation in the CREATE TABLE man page. Erik Wienhold and David G. Johnston, per complaint from Hannu Krosing. Discussion: https://postgr.es/m/CAMT0RQRysCb_Amy5CTENSc5GfsvXL1a4qX3mv_hx31_v74P==g@mail.gmail.com
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.
Copyright and license information can be found in the file COPYRIGHT.
General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.
The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.