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8ee9c25087
Here we consolidate the generation of partial sort and partial incremental
sort paths in a similar way to what was done in 4a29eabd1. Since the cost
penalty for incremental sort was removed by that commit, there's no
point in creating a sort path on the cheapest partial path if an
incremental sort could be done instead.
This has the added benefit of reducing the amount of code required to
build these paths.
Author: Richard Guo
Reviewed-by: Etsuro Fujita, Shubham Khanna, David Rowley
Discussion: https://postgr.es/m/CAMbWs49PaKxBZU9cN7k3DKB7id+YfGfOfS9H_Fo5tkqPMt=fDg@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/.