d3b2e5e1ab
Upcoming optimizations will add complexity to convert_case(). This patch reorganizes slightly so that the complexity can be contained within the logic to convert the case of a single character, rather than mixing it in with logic to iterate through the string. Reviewed-by: Alexander Borisov <lex.borisov@gmail.com> Discussion: https://postgr.es/m/44005c3d-88f4-4a26-981f-fd82dfa8e313@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/.