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During binary upgrade, indexes are created before the data is moved into place, so it will always be zero. This is not currently a major problem, but will be when we try to preserve statistics during upgrade. Author: Corey Huinker Discussion: https://postgr.es/m/CADkLM=daPdFB8V0tgFxK-dLowFsAEzWRWJHyxij7BG3kBjcouA@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/.