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Bruce Momjian 264c068207 This patch implements a different "relkind" 
for views. Views are now have a "relkind" of
RELKIND_VIEW instead of RELKIND_RELATION.

Also, views no longer have actual heap storage
files.

The following changes were made

1. CREATE VIEW sets the new relkind

2. The executor complains if a DELETE or
        INSERT references a view.

3. DROP RULE complains if an attempt is made
        to delete a view SELECT rule.

4. CREATE RULE "_RETmytable" AS ON SELECT TO mytable DO INSTEAD ...
        1. checks to make sure mytable is empty.
        2. sets the relkind to RELKIND_VIEW.
        3. deletes the heap storage files.
5. LOCK myview is not allowed. :)


6. the regression test type_sanity was changed to
        account for the new relkind value.

7. CREATE INDEX ON myview ... is not allowed.

8. VACUUM myview is not allowed.
        VACUUM automatically skips views when do the entire
        database.

9. TRUNCATE myview is not allowed.


THINGS LEFT TO THINK ABOUT

o pg_views

o pg_dump

o pgsql (\d \dv)
o Do we really want to be able to inherit from views?

o Is 'DROP TABLE myview' OK?

--
Mark Hollomon
 		2000-09-12 04:49:17 +00:00
config Revert removal of signed, volatile, and signal handler arg type tests. 2000-08-29 09:36:51 +00:00
contrib Fix relative path references so that make knowns which dependencies refer 2000-08-31 16:12:35 +00:00
doc Previous patch backed out. 2000-09-12 04:33:18 +00:00
src This patch implements a different "relkind" 2000-09-12 04:49:17 +00:00
COPYRIGHT Update copyright file. 2000-01-29 08:53:10 +00:00
GNUmakefile.in Fix relative path references so that make knowns which dependencies refer 2000-08-31 16:12:35 +00:00
HISTORY Startup is actually start-up. 2000-08-29 20:02:09 +00:00
INSTALL Update installation instructions to new realities. Combined into one file. 2000-07-21 00:44:13 +00:00
Makefile Put back old Makefiles, in pgsql and pgsql/src. 2000-06-12 16:37:22 +00:00
README Brand 7.1 release. Also update jdbc version in release branch. 2000-06-12 22:36:19 +00:00
aclocal.m4 Revert removal of signed, volatile, and signal handler arg type tests. 2000-08-29 09:36:51 +00:00
configure autoconf 2000-09-12 04:43:21 +00:00
configure.in Attached is a small patch that fixes a small "bug" with specifying the 2000-09-12 04:41:17 +00:00
register.txt Brand 7.1 release. Also update jdbc version in release branch. 2000-06-12 22:36:19 +00:00

README 

 
PostgreSQL Data Base Management System (formerly known as Postgres, then
as Postgres95).
  
This directory contains the development version of 7.1 of the
PostgreSQL database server.  The server is not ANSI SQL compliant, but
it gets closer with every release.  After you unzip and untar the
distribution file, look at file INSTALL for the installation notes and
file HISTORY for the changes.

The latest version of this software may be obtained at
ftp://ftp.postgresql.org/pub/.  For more information look at our WWW
home page located at http://www.postgreSQL.org/.

PostgreSQL is not public domain software.  It is copyrighted by the
University of California but may be used according to the licensing
terms of the the copyright below:

------------------------------------------------------------------------

POSTGRES95 Data Base Management System (formerly known as Postgres, then
as Postgres95).

Copyright (c) 1994-7 Regents of the University of California

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose, without fee, and without a written agreement
is hereby granted, provided that the above copyright notice and this
paragraph and the following two paragraphs appear in all copies.

IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.

THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO
PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.