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Alvaro Herrera 1af25ca0c2 Improve psql's \d display of foreign key constraints 
When used on a partition containing foreign keys coming from one of its
ancestors, \d would (rather unhelpfully) print the details about the
pg_constraint row in the partition.  This becomes a bit frustrating when
the user tries things like dropping the FK in the partition; instead,
show the details for the foreign key on the table where it is defined.

Also, when a table is referenced by a foreign key on a partitioned
table, we would show multiple "Referenced by" lines, one for each
partition, which gets unwieldy pretty fast.  Modify that so that it
shows only one line for the ancestor partitioned table where the FK is
defined.

Discussion: https://postgr.es/m/20181204143834.ym6euxxxi5aeqdpn@alvherre.pgsql
Reviewed-by: Tom Lane, Amit Langote, Peter Eisentraut
2019-03-26 11:14:34 -03:00
config Reorder configure tests for accept() in Windows 2019-03-04 14:42:12 -05:00
contrib Suppress Append and MergeAppend plan nodes that have a single child. 2019-03-25 15:42:35 -04:00
doc Fix typo 2019-03-26 13:30:46 +01:00
src Improve psql's \d display of foreign key constraints 2019-03-26 11:14:34 -03:00
.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 Reorder configure tests for accept() in Windows 2019-03-04 14:42:12 -05:00
configure.in Fix PERMIT_DECLARATION_AFTER_STATEMENT initialization. 2019-02-16 13:12:28 -08:00
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

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/.