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Commit957e6a6

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Add TODO detail directory.
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‎doc/TODO.detail/README

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These files are in standard Unix mailbox format, and are detail
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information related to the TODO list.

‎doc/TODO.detail/alpha

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From owner-pgsql-hackers@hub.org Fri May 14 16:00:46 1999
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X-Authentication-Warning: thelab.hub.org: scrappy owned process doing -bs
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Date: Fri, 14 May 1999 16:49:44 -0300 (ADT)
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From: The Hermit Hacker <scrappy@hub.org>
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To: pgsql-hackers@postgreSQL.org
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cc: Jack Howarth <howarth@nitro.med.uc.edu>
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Subject: [HACKERS] postgresql bug report (fwd)
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Message-ID: <Pine.BSF.4.05.9905141649150.47191-100000@thelab.hub.org>
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MIME-Version: 1.0
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Content-Type: TEXT/PLAIN; charset=US-ASCII
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Sender: owner-pgsql-hackers@postgreSQL.org
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Precedence: bulk
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Status: ROr
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Marc G. Fournier ICQ#7615664 IRC Nick: Scrappy
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Systems Administrator @ hub.org
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primary: scrappy@hub.org secondary: scrappy@{freebsd|postgresql}.org
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---------- Forwarded message ----------
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Date: Fri, 14 May 1999 14:50:58 -0400
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From: Jack Howarth <howarth@nitro.med.uc.edu>
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To: scrappy@hub.org
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Subject: postgresql bug report
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Marc,
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In porting the RedHat 6.0 srpm set for a linuxppc release we
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believe a bug has been identified in
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the postgresql source for 6.5-0.beta1. Our development tools are as
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follows...
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glibc 2.1.1 pre 2
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linux 2.2.6
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egcs 1.1.2
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the latest binutils snapshot
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The bug that we see is that when egcs compiles postgresql at -O1 or
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higher (-O0 is fine),
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postgresql creates incorrectly formed databases such that when the user
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does a destroydb
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the database can not be destroyed. Franz Sirl has identified the problem
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as follows...
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it seems that this problem is a type casting/promotion bug in the
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source. The
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routine _bt_checkkeys() in backend/access/nbtree/nbtutils.c calls
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int2eq() in
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backend/utils/adt/int.c via a function pointer
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*fmgr_faddr(&key[0].sk_func). As
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the type information for int2eq is lost via the function pointer,
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the compiler
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passes 2 ints, but int2eq expects 2 (preformatted in a 32bit reg)
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int16's.
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This particular bug goes away, if I for example change int2eq to:
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bool
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int2eq(int32 arg1, int32 arg2)
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{
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return (int16)arg1 == (int16)arg2;
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}
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This moves away the type casting/promotion "work" from caller to the
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callee and
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is probably the right thing to do for functions used via function
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pointers.
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...because of the large number of changes required to do this, Franz
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thought we should
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pass this on to the postgresql maintainers for correction. Please feel
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free to contact
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Franz Sirl (Franz.Sirl-kernel@lauterbach.com) if you have any questions
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on this bug
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report.
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--
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------------------------------------------------------------------------------
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Jack W. Howarth, Ph.D. 231 Bethesda Avenue
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NMR Facility Director Cincinnati, Ohio 45267-0524
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Dept. of Molecular Genetics phone: (513) 558-4420
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Univ. of Cincinnati College of Medicine fax: (513) 558-8474
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‎doc/TODO.detail/arrays

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From owner-pgsql-hackers@hub.org Wed Nov 25 19:01:02 1998
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To: bugs@postgreSQL.org, hackers@postgreSQL.org
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Subject: [HACKERS] Failures with arrays
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Mime-Version: 1.0
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Content-Type: text/plain; charset=us-ascii
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Date: Wed, 25 Nov 1998 23:48:51 +0000
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From: "Oliver Elphick" <olly@lfix.co.uk>
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Status: ROr
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This was reported as a bug with the Debian package of 6.3.2; the same
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behaviour is still present in 6.4.
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bray=> create table foo ( t text[]);
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CREATE
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bray=> insert into foo values ( '{"a"}');
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INSERT 201354 1
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bray=> insert into foo values ( '{"a","b"}');
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INSERT 201355 1
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bray=> insert into foo values ( '{"a","b","c"}');
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INSERT 201356 1
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bray=> select * from foo;
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t
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-------------
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{"a"}
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{"a","b"}
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{"a","b","c"}
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(3 rows)
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bray=> select t[1] from foo;
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ERROR: type name lookup of t failed
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bray=> select * from foo;
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t
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-------------
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{"a"}
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{"a","b"}
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{"a","b","c"}
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(3 rows)
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bray=> select foo.t[1] from foo;
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t
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-
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a
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a
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a
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(3 rows)
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bray=> select count(foo.t[1]) from foo;
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pqReadData() -- backend closed the channel unexpectedly.
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--
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Oliver Elphick Oliver.Elphick@lfix.co.uk
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Isle of Wight http://www.lfix.co.uk/oliver
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PGP key from public servers; key ID 32B8FAA1
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========================================
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"Let us therefore come boldly unto the throne of grace,
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that we may obtain mercy, and find grace to help in
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time of need." Hebrews 4:16
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