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Specifically, permit attaching them to the error in RAISE and retrieving them from a caught error in GET STACKED DIAGNOSTICS. RAISE enforces nothing about the content of the fields; for its purposes, they are just additional string fields. Consequently, clarify in the protocol and libpq documentation that the usual relationships between error fields, like a schema name appearing wherever a table name appears, are not universal. This freedom has other applications; consider a FDW propagating an error from an RDBMS having no schema support. Back-patch to 9.3, where core support for the error fields was introduced. This prevents the confusion of having a release where libpq exposes the fields and PL/pgSQL does not. Pavel Stehule, lexical revisions by Noah Misch. |
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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. Changes between all PostgreSQL releases are recorded in the file HISTORY. 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/.