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595580aa12
The pre-v15 behavior was to discard all but the last result, but with the new behavior of printing all results by default, we will send each such result to the \g file. However, we're still opening and closing the \g file for each result, so you lose all but the last result anyway. Move the output-file state up to ExecQueryAndProcessResults so that we open/close the \g file only once per command string. To support this without changing other behavior, we must adjust PrintQueryResult to have separate FILE * arguments for query and status output (since status output has never gone to the \g file). That in turn makes it a good idea to push the responsibility for fflush'ing output down to PrintQueryTuples and PrintQueryStatus. Also fix an infinite loop if COPY IN/OUT is attempted in \watch. We used to reject that, but that error exit path got broken somewhere along the line in v15. There seems no real reason to reject it anyway as the code now stands, so just remove the error exit and make sure that COPY OUT data goes to the right place. Also remove PrintQueryResult's unused is_watch parameter, and make some other cosmetic cleanups (adjust obsolete comments, break some overly-long lines). Daniel Vérité and Tom Lane Discussion: https://postgr.es/m/4333844c-2244-4d6e-a49a-1d483fbe304f@manitou-mail.org |
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| README.git | ||
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/.