5564c11815
The LIKE INCLUDING ALL clause to CREATE TABLE intuitively indicates cloning of extended statistics on the source table, but it failed to do so. Patch it up so that it does. Also include an INCLUDING STATISTICS option to the LIKE clause, so that the behavior can be requested individually, or excluded individually. While at it, reorder the INCLUDING options, both in code and in docs, in alphabetical order which makes more sense than feature-implementation order that was previously used. Backpatch this to Postgres 10, where extended statistics were introduced, because this is seen as an oversight in a fresh feature which is better to get consistent from the get-go instead of changing only in pg11. In pg11, comments on statistics objects are cloned too. In pg10 they are not, because I (Álvaro) was too coward to change the parse node as required to support it. Also, in pg10 I chose not to renumber the parser symbols for the various INCLUDING options in LIKE, for the same reason. Any corresponding user-visible changes (docs) are backpatched, though. Reported-by: Stephen Froehlich Author: David Rowley Reviewed-by: Álvaro Herrera, Tomas Vondra Discussion: https://postgr.es/m/CY1PR0601MB1927315B45667A1B679D0FD5E5EF0@CY1PR0601MB1927.namprd06.prod.outlook.com |
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README
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/.