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Thomas Munro 6969deeb8d Handle ReadFile() EOF correctly on Windows.
When ReadFile() encounters the end of a file while reading from
a synchronous handle with an offset provided via OVERLAPPED, it
reports an error instead of returning 0.  By not handling that
(undocumented) result correctly, we caused some noisy LOG
messages about an unknown error code.  Repair.

Back-patch to 12, where we started using pread()/ReadFile() with
an offset.

Reported-by: ZhenHua Cai, Amit Kapila
Diagnosed-by: Juan Jose Santamaria Flecha
Tested-by: Amit Kapila
Discussion: https://postgr.es/m/CAA4eK1LK3%2BWRtpz68TiRdpHwxxWm%3D%2Bt1BMf-G68hhQsAQ41PZg%40mail.gmail.com
2019-11-20 18:29:37 +13:00
config Simplify PGAC_STRUCT_TIMEZONE Autoconf macro 2019-10-07 16:47:23 +02:00
contrib Add logical_decoding_work_mem to limit ReorderBuffer memory usage. 2019-11-19 07:32:36 +05:30
doc Add the support for '-f' option in dropdb utility. 2019-11-20 08:25:07 +05:30
src Handle ReadFile() EOF correctly on Windows. 2019-11-20 18:29:37 +13:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.gitattributes gitattributes: Add new file 2019-11-12 08:13:55 +01:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
aclocal.m4 Fix configure's AC_CHECK_DECLS tests to work correctly with clang. 2018-11-19 12:01:47 -05:00
configure Fix ecpglib.h to declare bool consistently with c.h. 2019-11-12 13:00:04 -05:00
configure.in Fix ecpglib.h to declare bool consistently with c.h. 2019-11-12 13:00:04 -05:00
COPYRIGHT Update copyright for 2019 2019-01-02 12:44:25 -05:00
GNUmakefile.in Add "headerscheck" script to test header-file compilability under C. 2019-08-19 14:22:56 -04:00
HISTORY
Makefile Don't unset MAKEFLAGS in non-GNU Makefile. 2019-06-25 09:36:21 +12:00
README
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/.