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When editing the previous query buffer, if the editor is exited without modifying the temp file then clear the query buffer, rather than re-loading (and probably re-executing) the previous query buffer. This reduces the probability of accidentally re-executing something you didn't intend to. Similarly, in "\e file", if the file isn't actually modified then don't load it into the query buffer. And in "\ef" and "\ev", if no changes are made then clear the query buffer instead of loading the function or view definition into it. Cases where we fail to invoke the editor at all, or it returns a nonzero status, are treated like the no-file-modification case. Laurenz Albe, reviewed by Jacob Champion Discussion: https://postgr.es/m/0ba3f2a658bac6546d9934ab6ba63a805d46a49b.camel@cybertec.at
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. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download/ See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.