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This replaces the former global variable PLy_curr_procedure, and provides a place to stash per-call-level information. In particular we create a per-call-level scratch memory context. For the moment, the scratch context is just used to avoid leaking memory from datatype output function calls in PLyDict_FromTuple. There probably will be more use-cases in future. Although this is a fix for a pre-existing memory leakage bug, it seems sufficiently invasive to not want to back-patch; it feels better as part of the major rearrangement of plpython code that we've already done as part of 9.2. Jan Urbański |
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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: 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/.