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Andres Freund 5fd56b9f5b Again report a useful error message when walreceiver's connection closes. 
Since 7c4f52409a (merged in v10), a shutdown master is reported as
  FATAL:  unexpected result after CommandComplete: server closed the connection unexpectedly
by walsender. It used to be
  LOG:  replication terminated by primary server
  FATAL:  could not send end-of-streaming message to primary: no COPY in progress
while the old message clearly is not perfect, it's definitely better
than what's reported now.

The change comes from the attempt to handle finished COPYs without
erroring out, needed for the new logical replication, which wasn't
needed before.

There's probably better ways to handle this, but for now just
explicitly check for a closed connection.

Author: Petr Jelinek
Reviewed-By: Andres Freund
Discussion: https://postgr.es/m/f7c7dd08-855c-e4ed-41f4-d064a6c0665a@2ndquadrant.com
Backpatch: -
 		2017-06-08 14:51:43 -07:00
config Update config.guess and config.sub 2017-05-14 11:09:34 -04:00
contrib Fix contrib/sepgsql regr tests for tup-routing constraint check change. 2017-06-07 17:54:33 -07:00
doc Update key words table for version 10 2017-06-08 17:19:50 -04:00
src Again report a useful error message when walreceiver's connection closes. 2017-06-08 14:51:43 -07:00
.dir-locals.el emacs: Set indent-tabs-mode in perl-mode 2015-04-12 23:53:23 -04:00
.gitattributes Remove contrib/tsearch2. 2017-02-13 11:06:11 -05:00
.gitignore Allow .so minor version numbers above 9 in .gitignore. 2016-08-15 17:35:35 -04:00
COPYRIGHT Update copyright for 2017 2017-01-03 12:37:53 -05:00
GNUmakefile.in Have "make coverage" recurse into contrib as well 2016-09-05 18:44:36 -03:00
HISTORY Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
Makefile Allow make check in PL directories 2011-02-15 06:52:12 +02:00
README Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
README.git Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
aclocal.m4 ICU support 2017-03-23 15:28:48 -04:00
configure Stamp 10beta1. 2017-05-15 17:20:59 -04:00
configure.in Stamp 10beta1. 2017-05-15 17:20:59 -04:00

README 

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/.