When checking for expression indexes that may be affected by a Unicode update during upgrade, check for a few more functions. Specifically, check for documented regexp functions, as well as the new CASEFOLD() function. Also, fully-qualify references to pg_catalog.text and pg_catalog.regtype. Discussion: https://postgr.es/m/399b656a3abb0c9283538a040f72199c0601525c.camel@j-davis.com Backpatch-through: 18
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/.