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Often, upon getting an unexpected error in psql, one's first wish is that the verbosity setting had been higher; for example, to be able to see the schema-name field or the server code location info. Up to now the only way has been to adjust the VERBOSITY variable and repeat the failing query. That's a pain, and it doesn't work if the error isn't reproducible. This commit adds a psql feature that redisplays the most recent server error at full verbosity, without needing to make any variable changes or re-execute the failed command. We just need to hang onto the latest error PGresult in case the user executes \errverbose, and then apply libpq's new PQresultVerboseErrorMessage() function to it. This will consume some trivial amount of psql memory, but otherwise the cost when the feature isn't used should be negligible. Alex Shulgin, reviewed by Daniel Vérité, some improvements by me |
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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: http://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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.