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These routines are useful to perform some basic validation checks on each object structure, working currently on attribute numbers for non-expression and expression attnums. These checks could be extended in the future. Note that this code is not used yet in the tree, and that these functions will become handy for an upcoming patch for the import of extended statistics data. However, they are worth their own independent change as they are actually useful by themselves, with at least the extension code argument in mind (or perhaps I am just feeling more pedantic today). Extracted from a larger patch by the same author, with many adjustments and fixes by me. Author: Corey Huinker <corey.huinker@gmail.com> Reviewed-by: Chao Li <li.evan.chao@gmail.com> Reviewed-by: Michael Paquier <michael@paquier.xyz> Discussion: https://postgr.es/m/CADkLM=dpz3KFnqP-dgJ-zvRvtjsa8UZv8wDAQdqho=qN3kX0Zg@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/.