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Michael Paquier f04d1c1db0 Improve assertion in mdwritev() 
The assertion used at the beginning of mdwritev(), that is not enabled
except by defining -DCHECK_WRITE_VS_EXTEND as mdnblocks() is costly,
forgot about the total number of blocks to write at location specified
by the caller.  The calculation is fixed to count for that, and uses
casts to uint64 to ensure a proper check should the number of blocks
overflow.

Using a cast is a suggestion from Tom Lane.

Oversight in 4908c58720.

Author: Xing Guo
Discussion: https://postgr.es/m/CACpMh+BM-VgKeO7suPG-VHTtpzJ+zsbDPwVHu42PLp-iTk0z+A@mail.gmail.com
 		2024-06-04 07:15:10 +09:00
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contrib amcheck: Fixes for right page check during unique constraint check 2024-05-26 07:14:12 +03:00
doc Fix documentation for System V semaphores. 2024-06-03 12:10:43 -05:00
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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/.