manual pages.

Everyone using an [NOT] EXISTS subquery will have noticed that
already.

The bug is in "subselect.c" in the function "SS_process_sublinks()".

Here the whole function as it *SHOULD BE*:

Stephan

I really hope that I haven't missed anything in this one...

From: t-ishii@sra.co.jp

Attached are patches to enhance the multi-byte support.  (patches are
against 7/18 snapshot)

* determine encoding at initdb/createdb rather than compile time

Now initdb/createdb has an option to specify the encoding. Also, I
modified the syntax of CREATE DATABASE to accept encoding option. See
README.mb for more details.

For this purpose I have added new column "encoding" to pg_database.
Also pg_attribute and pg_class are changed to catch up the
modification to pg_database.  Actually I haved added pg_database_mb.h,
pg_attribute_mb.h and pg_class_mb.h. These are used only when MB is
enabled. The reason having separate files is I couldn't find a way to
use ifdef or whatever in those files. I have to admit it looks
ugly. No way.

* support for PGCLIENTENCODING when issuing COPY command

commands/copy.c modified.

* support for SQL92 syntax "SET NAMES"

See gram.y.

* support for LATIN2-5
* add UNICODE regression test case
* new test suite for MB

New directory test/mb added.

* clean up source files

Basic idea is to have MB's own subdirectory for easier maintenance.
These are include/mb and backend/utils/mb.

calls. Outside a transaction, the backend detects them as buffer
leaks; it sends a NOTICE, and frees them. This sometimes cause a
segmentation fault (at least on Linux). These indexes are initialized
on the first lo_read/lo_write/lo_tell call, and (normally) closed
on a lo_close call.  Thus the buffer leaks appear when lo direct
access functions are used, and not with lo_import/lo_export functions
(libpq version calls lo_close before ending the command, and the
backend version uses another path).

The included patches (against recent snapshot, and against 6.3.2)
cause indexes to be closed on transaction end (that is on explicit
'END' statment, or on command termination outside trasaction blocks),
thus preventing the buffer leaks while increasing performance inside
transactions. Some (all?) 'classic' memory leaks are also removed.

I hope it will be ok.

--- Pascal ANDRE, graduated from Ecole Centrale Paris andre@via.ecp.fr

inclusion in pgsql. I have included a README which should be enough
to start using it, plus a BENCH file that describes some timings
I have done.

Please have a look at it, and if you think everything is OK, I
would like it seen included in the contrib-section of pgsql.

I don't think I will do any more work in this, but maybe it inspires
somebody else to improve on it.

Maarten Boekhold

   now. Here some tested features, (examples included in the patch):

1.1) Subselects in the having clause 1.2) Double nested subselects
1.3) Subselects used in the where clause and in the having clause
     simultaneously 1.4) Union Selects using having 1.5) Indexes
on the base relations are used correctly 1.6) Unallowed Queries
are prevented (e.g. qualifications in the
     having clause that belong to the where clause) 1.7) Insert
into as select

2) Queries using the having clause on view relations also work
   but there are some restrictions:

2.1) Create View as Select ... Having ...; using base tables in
the select 2.1.1) The Query rewrite system:

2.1.2) Why are only simple queries allowed against a view from 2.1)
? 2.2) Select ... from testview1, testview2, ... having...; 3) Bug
in ExecMergeJoin ??


Regards Stefan

of days --- it was emitting stuff like
	REVOKE ALL on 'table' from PUBLIC; GRANT ALL on "table" to
	"Public"; neither of which work.  While I was at it I
cleaned up a few other things:

* \connect commands are issued only in -z mode.  In this way,
reloading a pg_dump script made without -z will generate a simple
database wholly owned by the invoking user, rather than a mishmash
of tables owned by various people but lacking in access rights.
(Analogy: cp versus cp -p.)

* \connect commands are issued just before COPY FROM stdin commands;
without this, reloading a database containing non-world-writable
tables tended to fail because the COPY was not necessarily attempted
as the table owner.

* Redundant \connect commands are suppressed (each one costs a
backend launch, so...).

* Man page updated (-z wasn't ever documented).

The first two items were discussed in a pgsql-hackers thread around
6 May 98 ("An item for the TODO list: pg_dump and multiple table
owners") but no one had bothered to deal with 'em yet.

			regards, tom lane

6.3.2 to compile (and run) on my Sparc Solaris 2.5.1 box. Details
below:

	pgsql.sparc.patch-template: Adds -D__sparc__ and -D__sun__,
defintions which gcc does define, but Sun's cc does not. :(
	pgsql.sparc.patch-makefile: Adds a define so that 'lorder'
	is not used, as it is not found on my machine.


Ryan Kirkpatrick

in a more readable form.  -- I am submitting the following patches
to the June 6, 1998 snapshot of PostgreSQL.  These patches implement
a port of PostgreSQL to SCO UnixWare 7, and updates the Univel port
(UnixWare 2.x).  The patched files, and the reason
 for the patch are:

File            Reason for the patch ---------------
---------------------------------------------------------------
src/backend/port/dynloader/unixware.c src/backend/port/dynloader/unixware.h
src/include/port/unixware.h src/makefiles/Makefile.unixware
src/template/unixware
		Created for the UNIXWARE port.

src/include/port/univel.h
		Modifed this file to work with the changes made to
		s_lock.[ch].

src/backend/storage/buffer/s_lock.c src/include/storage/s_lock.h
		Moved the UNIXWARE (and Univel) tas() function from
		s_lock.c to s_lock.h.  The UnixWare compiler asm
		construct is treated as a macro and needs to be in
		the s_lock.h file.  I also reworked the tas()
		function to correct some errors in the code.

src/include/version.h.in
		The use of the ## operator with quoted strings in
		the VERSION macro caused problems with the UnixWare
		C compiler.  I removed the ## operators since they
		were not needed in this case.  The macro expands
		into a sequence of quoted strings that will be
		concatenated by any ANSI C compiler.

src/config.guess
		This script was modified to recognize SCO UnixWare
		7.

src/configure src/configure.in
		The configure script was modified to recognize SCO
		UnixWare 7.

Billy G. Allie

not in target list.

NS32K machine I contributed.  In any case, I now have postgresql-6.3
running again on NetBSD/pc532, a NS32532 machine.  The following
changes are needed relative to the src directory.  (It looks like
support was partially removed when the files were moved from the
src/backend/storage/.... tree to the src/include tree.)

If you need me to get a current development version of postgresql
for this change let me know.  Also, let me know if this code needs
updating due to another code movement that deleted the old NS32K
support.

Thank you.

Phil Nelson

\d? results in one query. Add \d? field search feature.  Rename MB
to MULTIBYTE.