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Tom Lane 9feefedf9e Fix pg_dump's heuristic for deciding which casts to dump. 
Back in 2003 we had a discussion about how to decide which casts to dump.
At the time pg_dump really only considered an object's containing schema
to decide what to dump (ie, dump whatever's not in pg_catalog), and so
we chose a complicated idea involving whether the underlying types were to
be dumped (cf commit a6790ce857).  But users
are allowed to create casts between built-in types, and we failed to dump
such casts.  Let's get rid of that heuristic, which has accreted even more
ugliness since then, in favor of just looking at the cast's OID to decide
if it's a built-in cast or not.

In passing, also fix some really ancient code that supposed that it had to
manufacture a dependency for the cast on its cast function; that's only
true when dumping from a pre-7.3 server.  This just resulted in some wasted
cycles and duplicate dependency-list entries with newer servers, but we
might as well improve it.

Per gripes from a number of people, most recently Greg Sabino Mullane.
Back-patch to all supported branches.
2015-02-10 22:38:15 -05:00
config Speed up CRC calculation using slicing-by-8 algorithm. 2015-02-10 10:54:40 +02:00
contrib Move pg_crc.c to src/common, and remove pg_crc_tables.h 2015-02-09 11:17:56 +02:00
doc Fixed array handling in ecpg. 2015-02-10 12:04:10 +01:00
src Fix pg_dump's heuristic for deciding which casts to dump. 2015-02-10 22:38:15 -05:00
.dir-locals.el
.gitattributes Add functions for dealing with PGP armor header lines to pgcrypto. 2014-10-01 16:03:39 +03:00
.gitignore Update .gitignore for config.cache. 2014-12-18 19:56:42 +09:00
aclocal.m4
configure Speed up CRC calculation using slicing-by-8 algorithm. 2015-02-10 10:54:40 +02:00
configure.in Speed up CRC calculation using slicing-by-8 algorithm. 2015-02-10 10:54:40 +02:00
COPYRIGHT Update copyright for 2015 2015-01-06 11:43:47 -05:00
GNUmakefile.in Add TAP tests for client programs 2014-04-14 21:33:46 -04:00
HISTORY Improve text of stub HISTORY file. 2014-02-12 18:16:17 -05:00
Makefile
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/.