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Tom Lane 967a7b0fc9 Avoid reporting "cache lookup failed" for some user-reachable cases. 
We have a not-terribly-thoroughly-enforced-yet project policy that internal
errors with SQLSTATE XX000 (ie, plain elog) should not be triggerable from
SQL.  record_in, domain_in, and PL validator functions all failed to meet
this standard, because they threw plain elog("cache lookup failed for XXX")
errors on bad OIDs, and those are all invokable from SQL.

For record_in, the best fix is to upgrade typcache.c (lookup_type_cache)
to throw a user-facing error for this case.  That seems consistent because
it was more than halfway there already, having user-facing errors for shell
types and non-composite types.  Having done that, tweak domain_in to rely
on the typcache to throw an appropriate error.  (This costs little because
InitDomainConstraintRef would fetch the typcache entry anyway.)

For the PL validator functions, we already have a single choke point at
CheckFunctionValidatorAccess, so just fix its error to be user-facing.

Dilip Kumar, reviewed by Haribabu Kommi

Discussion: <87wpxfygg9.fsf@credativ.de>
2016-09-09 09:20:34 -04:00
config Update config.guess and config.sub 2016-05-06 14:02:44 -04:00
contrib Add location field to DefElem 2016-09-06 12:00:00 -04:00
doc Correct TABLESAMPLE docs 2016-09-09 11:19:21 +01:00
src Avoid reporting "cache lookup failed" for some user-reachable cases. 2016-09-09 09:20:34 -04:00
.dir-locals.el emacs: Set indent-tabs-mode in perl-mode 2015-04-12 23:53:23 -04:00
.gitattributes Fix whitespace and remove obsolete gitattributes entry 2016-03-13 16:03:13 -04:00
.gitignore Allow .so minor version numbers above 9 in .gitignore. 2016-08-15 17:35:35 -04:00
aclocal.m4 Replace our hacked version of ax_pthread.m4 with latest upstream version. 2015-07-08 20:36:06 +03:00
configure Stamp HEAD as 10devel. 2016-08-15 13:49:49 -04:00
configure.in Stamp HEAD as 10devel. 2016-08-15 13:49:49 -04:00
COPYRIGHT Update copyright for 2016 2016-01-02 13:33:40 -05:00
GNUmakefile.in Have "make coverage" recurse into contrib as well 2016-09-05 18:44:36 -03:00
HISTORY Improve text of stub HISTORY file. 2014-02-12 18:16:17 -05:00
Makefile Allow make check in PL directories 2011-02-15 06:52:12 +02:00
README Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:04 -05:00
README.git Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:04 -05:00

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:

	http://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
http://www.postgresql.org/download/.  For more information look at our
web site located at http://www.postgresql.org/.