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Tom Lane 80559fa9e9 I found a corner case in which it is possible for RI_FKey_check's call 
of HeapTupleSatisfiesItself() to trigger a hint-bit update on the tuple:
if the row was updated or deleted by a subtransaction of my own transaction
that was later rolled back.  This cannot occur in pre-8.0 of course, so
the hint-bit patch applied a couple weeks ago is OK for existing releases.
But for 8.0 it seems we had better fix things so that RI_FKey_check can
pass the correct buffer number to HeapTupleSatisfiesItself.  Accordingly,
add fields to the TriggerData struct to carry the buffer ID(s) for the
old and new tuple(s).  There are other possible solutions but this one
seems cleanest; it will allow other AFTER-trigger functions to safely
do tqual.c calls if they want to.  Put new fields at end of struct so
that there is no API breakage.
2004-10-30 20:53:06 +00:00
config If we're going to test for switch validity by observing whether the 2004-10-24 00:54:12 +00:00
contrib This makes dblink pass its installcheck test on platforms where 2004-10-28 22:31:11 +00:00
doc I found a corner case in which it is possible for RI_FKey_check's call 2004-10-30 20:53:06 +00:00
src I found a corner case in which it is possible for RI_FKey_check's call 2004-10-30 20:53:06 +00:00
aclocal.m4 Add new auto-detection of thread flags. 2004-04-23 18:15:55 +00:00
configure make sure we tag configure.in as beta4 as well ... 2004-10-25 00:11:04 +00:00
configure.in make sure we tag configure.in as beta4 as well ... 2004-10-25 00:11:04 +00:00
COPYRIGHT Update copyright to 2004. 2004-08-29 04:13:13 +00:00
GNUmakefile.in please find attached an alternate submission which addresses open item 2004-10-06 08:50:02 +00:00
Makefile please find attached an alternate submission which addresses open item 2004-10-06 08:50:02 +00:00
README Remove more traces of libpgtcl from the source tree. Also, make some 2004-10-01 02:00:44 +00:00
README.CVS Some further editorializing on README.CVS. 2004-03-28 06:09:08 +00:00

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.

The JDBC, ODBC, C++, Python, and Tcl interfaces have been moved to the
PostgreSQL Projects Web Site at http://gborg.postgresql.org for separate
maintenance.  A Perl DBI/DBD driver is available from CPAN.

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.  Changes between all PostgreSQL releases are recorded in the
file HISTORY.  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
ftp://ftp.postgresql.org/pub/.  For more information look at our web
site located at http://www.postgresql.org/.