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Several statements need to reference the current connection's current database name and current port value. Until now, this has been accomplished by creating dynamic SQL statements inside of a DO block, which is not as easy to parse. It also takes away some of the granularity of any error messages that might occur, making debugging harder. By capturing the connection-specific settings into psql variables, it becomes possible to write simpler SQL statements for the FDW objects. This eliminates most of DO blocks used in this test, making it a bit more readable and shorter. Author: Author: Corey Huinker <corey.huinker@gmail.com> Discussion: https://postgr.es/m/CADkLM=cpUiJ3QF7aUthTvaVMmgQcm7QqZBRMDLhBRTR+gJX-Og@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/.