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If the underlying table isn't being dumped, it's useless to dump an extended statistics object; it'll just cause errors at restore. We have always applied similar policies to, say, indexes. (When and if we get cross-table stats objects, it might be profitable to think a little harder about what to do with them. But for now there seems no point in considering a stats object as anything but an appendage of its table.) Rian McGuire and Tom Lane, per report from Rian McGuire. Back-patch to supported branches. Discussion: https://postgr.es/m/7075d3aa-3f05-44a5-b68f-47dc6a8a0550@buildkite.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/.