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Tom Lane d5a1fde397 Remove infinite-loop hazards in ecpg test suite.
A report from Andrew Dunstan showed that an ecpglib breakage that
causes repeated query failures could lead to infinite loops in some
ecpg test scripts, because they contain "while(1)" loops with no
exit condition other than successful test completion.  That might
be all right for manual testing, but it seems entirely unacceptable
for automated test environments such as our buildfarm.  We don't
want buildfarm owners to have to intervene manually when a test
goes wrong.

To fix, just change all those while(1) loops to exit after at most
100 iterations (which is more than any of them expect to iterate).
This seems sufficient since we'd see discrepancies in the test output
if any loop executed the wrong number of times.

I tested this by dint of intentionally breaking ecpg_do_prologue
to always fail, and verifying that the tests still got to completion.

Back-patch to all supported branches, since the whole point of this
exercise is to protect the buildfarm against future mistakes.

Discussion: https://postgr.es/m/18693.1548302004@sss.pgh.pa.us
2019-01-24 16:47:06 -05:00
config configure: More use of AC_ARG_VAR 2019-01-18 08:38:34 +01:00
contrib postgres_fdw: Account for tlist eval costs in estimate_path_cost_size(). 2019-01-24 16:49:17 +09:00
doc Fix portability problem in pgbench. 2019-01-24 11:31:54 -05:00
src Remove infinite-loop hazards in ecpg test suite. 2019-01-24 16:47:06 -05:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.gitattributes Remove contrib/tsearch2. 2017-02-13 11:06:11 -05:00
.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 Second try at fixing ecpglib thread-safety problem. 2019-01-21 16:17:10 -05:00
configure.in Second try at fixing ecpglib thread-safety problem. 2019-01-21 16:17:10 -05:00
COPYRIGHT Update copyright for 2019 2019-01-02 12:44:25 -05:00
GNUmakefile.in Process EXTRA_INSTALL serially, during the first temp-install. 2018-12-31 13:54:38 -08:00
HISTORY Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
Makefile Fix non-GNU makefiles for AIX make. 2017-11-30 00:57:22 -08:00
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

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/.