d55322b0da
Currently, only unnamed prepared statement are supported by psql with the meta-command \bind. With only this command, it is not possible to test named statement creation, execution or close through the extended protocol. This commit introduces three additional commands: * \parse creates a prepared statement using the extended protocol, acting as a wrapper of libpq's PQsendPrepare(). * \bind_named binds and executes an existing prepared statement using the extended protocol, for PQsendQueryPrepared(). * \close closes an existing prepared statement using the extended protocol, for PQsendClosePrepared(). This is going to be useful to add regression tests for the extended query protocol, and I have some plans for that on separate threads. Note that \bind relies on PQsendQueryParams(). The code of psql is refactored so as bind_flag is replaced by an enum in _psqlSettings that tracks the type of libpq routine to execute, based on the meta-command involved, with the default being PQsendQuery(). This refactoring piece has been written by me, while Anthonin has implemented the rest. Author: Anthonin Bonnefoy, Michael Paquier Reviewed-by: Aleksander Alekseev, Jelte Fennema-Nio Discussion: https://postgr.es/m/CAO6_XqpSq0Q0kQcVLCbtagY94V2GxNP3zCnR6WnOM8WqXPK4nw@mail.gmail.com |
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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.
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/.