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elog(ERROR) never returns. Compilers don't always understand this. So, sometimes, we have to append pg_unreachable() to keep the compiler quiet about returning from a non-void function without a value. But pg_unreachable() is redundant for ExecWaitStmt(), which is void. Reported-by: Peter Eisentraut <peter@eisentraut.org> Author: Xuneng Zhou <xunengzhou@gmail.com> Discussion: https://postgr.es/m/8d72a2b3-7423-4a15-a981-e130bf60b1a6%40eisentraut.org Discussion: https://postgr.es/m/CABPTF7UcuVD0L-X%3DjZFfeygjPaZWWkVRwtWOaJw2tcXbEN2xsA%40mail.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/.