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This change adapts these functions to the machine's address width without depending on "long" to be the right size. (It isn't on Win64, for example.) While it seems unlikely anyone would care to run with a stack depth limit exceeding 2GB, this is part of a general push to avoid using type "long" to represent memory sizes. It's convenient to use ssize_t rather than the perhaps-more-obvious choice of size_t/Size, because the code involved depends on working with a signed data type. Our MAX_KILOBYTES limit already ensures that ssize_t will be sufficient to represent the maximum value of max_stack_depth. Extracted from a larger patch by Vladlen, plus additional hackery by me. Author: Vladlen Popolitov <v.popolitov@postgrespro.ru> Author: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://postgr.es/m/1a01f0-66ec2d80-3b-68487680@27595217 |
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| configure | ||
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| COPYRIGHT | ||
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| README.md | ||
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/.