352 lines
12 KiB
Plaintext
352 lines
12 KiB
Plaintext
From ChrUllrich@gmx.de Fri Jun 18 15:01:15 1999
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Received: from pc19f7c08.dip.t-online.de (HELO christian.ullrich.net) (193.159.124.8)
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by christian.ullrich.net (8.9.3/8.9.3) id UAA02806
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for maillist@candle.pha.pa.us; Fri, 18 Jun 1999 20:33:54 +0200
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Date: Fri, 18 Jun 1999 20:33:54 +0200
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From: Christian Ullrich <ChrUllrich@gmx.de>
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To: Bruce Momjian <maillist@candle.pha.pa.us>
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Subject: Re: [GENERAL] Two questions about 6.5
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Message-ID: <19990618203354.A2716@christian.ullrich.net>
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References: <19990617204118.B8536@christian.ullrich.net> <199906181631.MAA29003@candle.pha.pa.us>
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In-Reply-To: <199906181631.MAA29003@candle.pha.pa.us>; from Bruce Momjian on Fri, Jun 18, 1999 at 12:31:17PM -0400
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Status: RO
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On Fri, Jun 18, 1999 at 12:31:17PM -0400, Bruce Momjian wrote:
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> Does this work for you? It works here:
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>
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> test=> create table te(x int, y int);
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> CREATE
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> test=> create unique index i_te on te(x,y);
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> CREATE
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> test=> cluster i_te on te;
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> CLUSTER
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It works. But why doesn't it work on my tables:
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create table prautor(
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nr int4,
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pi int4,
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primary key(nr,pi));
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create table prauflage(
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nr int4,
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au int4,
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pl text,
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be text,
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st int4,
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vh bool,
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ex int4,
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primary key(nr,au));
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prd=> create unique index i_te on prauflage(nr,au);
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CREATE
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prd=> cluster i_te on prauflage;
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ERROR: Cannot create unique index. Table contains non-unique values
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--
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Christian Ullrich
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Registrierter Linux-User #125183
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"Sie können nach R'ed'mond fliegen -- aber Sie werden sterben"
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From owner-pgsql-hackers@hub.org Thu Apr 16 15:00:41 1998
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Received: from hub.org (hub.org [209.47.148.200])
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for <maillist@candle.pha.pa.us>; Thu, 16 Apr 1998 15:00:36 -0400 (EDT)
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Message-ID: <F10BB1FAF801D111829B0060971D839F2330CA@dal_cps.cpsgroup.com>
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From: "Jackson, DeJuan" <djackson@cpsgroup.com>
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To: PostgreSQL Hackers Mailing List <pgsql-hackers@hub.org>
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Cc: PostgreSQL Questions Mailing List <pgsql-questions@postgreSQL.org>
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Subject: [HACKERS] Bug or Short between my brain and the keyboard?
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Date: Thu, 16 Apr 1998 13:56:27 -0500
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X-Priority: 3
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MIME-Version: 1.0
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Content-Type: text/plain
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Sender: owner-pgsql-hackers@hub.org
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Precedence: bulk
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Status: RO
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Just thought I'd try the cluster command. What am I doing wrong.
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ReadHat 5.0
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6.3.1 rpm's
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[djackson@www]$ psql template1
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Welcome to the POSTGRESQL interactive sql monitor:
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Please read the file COPYRIGHT for copyright terms of POSTGRESQL
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type \? for help on slash commands
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type \q to quit
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type \g or terminate with semicolon to execute query
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You are currently connected to the database: template1
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template1=> \d
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Couldn't find any tables, sequences or indices!
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template1=> \l
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datname |datdba|datpath
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---------+------+---------
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template1| 100|template1
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postgres | 100|postgres
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(2 rows)
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template1=> create database test;
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CREATEDB
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template1=> \connect test
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connecting to new database: test
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test=> create table list (k int2);
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CREATE
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test=> insert into list values (1);
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INSERT 33769 1
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test=> insert into list select max(k)+1;
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.
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.
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.
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test=> select * from list;
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k
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-
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1
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2
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3
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4
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5
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6
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(6 rows)
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test=> create table list2 (k1 int2 NOT NULL, k2 int2 NOT NULL);
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CREATE
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test=> create UNIQUE INDEX l1 ON list2(k1, k2);
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CREATE
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test=> create UNIQUE INDEX l2 ON list2(k2, k1);
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CREATE
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test=> insert into list2 select l1.k, l2.k from list as l1, list as l2;
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INSERT 0 36
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test=> select * from list2;
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k1|k2
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--+--
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1| 1
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2| 1
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3| 1
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.
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.
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.
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4| 6
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5| 6
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6| 6
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(36 rows)
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test=> vacuum verbose analyze list2;
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NOTICE: Rel list2: Pages 1: Changed 0, Reapped 0, Empty 0, New 0; Tup
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36: Vac 0, Crash 0, UnUsed 0, MinLen 44, MaxLen 44; Re-using:
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Free/Avail. Space 0/0; EndEmpty/Avail. Pages 0/0. Elapsed 0/0 sec.
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NOTICE: Ind l2: Pages 2; Tuples 36. Elapsed 0/0 sec.
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NOTICE: Ind l1: Pages 2; Tuples 36. Elapsed 0/0 sec.
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VACUUM
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test=> cluster l1 on list2;
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ERROR: Cannot create unique index. Table contains non-unique values
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test=> cluster l2 on list2;
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PQexec() -- Request was sent to backend, but backend closed the channel
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before responding.
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This probably means the backend terminated abnormally before or
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while processing the request.
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From owner-pgsql-ports@hub.org Tue Jun 22 21:03:40 1999
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Received: from hub.org (hub.org [209.167.229.1])
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by candle.pha.pa.us (8.9.0/8.9.0) with ESMTP id VAA00995
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for <maillist@candle.pha.pa.us>; Tue, 22 Jun 1999 21:03:38 -0400 (EDT)
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by hub.org (8.9.3/8.9.3) with ESMTP id VAA24665;
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Tue, 22 Jun 1999 21:00:15 -0400 (EDT)
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(envelope-from owner-pgsql-ports@hub.org)
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Tue, 22 Jun 1999 20:57:21 -0400 (EDT)
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(envelope-from nobody)
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Date: Tue, 22 Jun 1999 20:57:21 -0400 (EDT)
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From: Unprivileged user <nobody@hub.org>
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Message-Id: <199906230057.UAA24081@hub.org>
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To: pgsql-ports@postgreSQL.org
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Reply-to: Vladimir Dobrokhotov <dvs@rybvod.kamchatka.su>
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Subject: [PORTS] Port Bug Report: 1.backend crash when frontend do cluster (sometimes!?), 2.cluster does not work
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Sender: owner-pgsql-ports@postgreSQL.org
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Precedence: bulk
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Status: ROr
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============================================================================
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POSTGRESQL BUG REPORT TEMPLATE
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============================================================================
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Your name : Vladimir Dobrokhotov
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Your email address : dvs@rybvod.kamchatka.su
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Category : runtime: back-end
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Severity : critical
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Summary: 1.backend crash when frontend do cluster (sometimes!?), 2.cluster does not work
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System Configuration
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--------------------
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Operating System : FreeBSD 2.2.5-RELEASE
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PostgreSQL version : 6.5
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Compiler used : gcc 2.7.2.1
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Hardware:
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---------
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Pentium, 32 RAM
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Versions of other tools:
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------------------------
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gmake 3.75, flex 2.5.4
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--------------------------------------------------------------------------
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Problem Description:
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--------------------
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This problem come from pg6.2.
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cluster (unique index btree(4 filelds varchar(4))) not work - "cannot create unique index. Table contains non-unique values."
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In pg6.4.2 command "cluster ind_un.." destroy all indexes on the table but index "ind_un" detroy fields form 2...
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In pg6.5 - random one from:
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1) ERROR: cannot create unique index. Table contains non-unique values.
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2) pgReadData() -- backend closed ... (need restart frontend)
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3) pgReadData() -- backend closed ... (need restart backend, frontend)
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4) pgReadData() -- backend closed ... (need restart backend, frontend, remove file "temp_1ddbc".)
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--------------------------------------------------------------------------
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Test Case:
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----------
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=>create table sns (n1 varchar(4), n2 varchar(4), n3 varchar(4), n4 varchar(4), name text);
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CREATE
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=>insert into sns values ('0','00','','','a');
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INSERT 278624 1
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=>insert into sns values ('0','01','','','b');
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INSERT 278626 1
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=>create unique index sn_b on sns using btree(n1,n2,n3,n4);
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CREATE
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=>cluster sn_b on sns;
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ERROR: Cannot create unique index. Table contains non-unique values
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=>cluster sn_b on sns;
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pgReadData() -- backend closed the channel unexpectedly.
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This probably means the backend terminated abnormally
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before or while processing the request.
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We have lost the connection to backend, so further processing is impossible.
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Terminating.
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#psql dv14
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Connection to database 'dv14' failed.
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connectDB() -- ...
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#su postgres
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$~/rc.local
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postmaster.
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^D#psql dv14
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Welcome to the POSTGRES interactive sql monitor.
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...
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=>cluster sn_b on sns;
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ERROR: cannot create temp_44050
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(rm ~/data/base/dv14/temp_44050)
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=>cluster sn_b on sns;
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ERROR: Cannot create unique index. Table contains non-unique values
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=>cluster sn_b on sns;
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pgReadData() -- backend closed the channel unexpectedly.
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This probably means the backend terminated abnormally
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before or while processing the request.
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We have lost the connection to backend, so further processing is impossible.
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Terminating.
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#psql dv14
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Welcome to the POSTGRES interactive sql monitor.
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...
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=>
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--------------------------------------------------------------------------
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Solution:
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---------
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--------------------------------------------------------------------------
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From owner-pgsql-hackers@hub.org Sun Aug 29 03:58:30 1999
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Received: from renoir.op.net (root@renoir.op.net [209.152.193.4])
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(envelope-from teo@flex.ro)
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for <pgsql-hackers@postgreSQL.org>; Sun, 29 Aug 1999 10:30:47 +0300
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Message-ID: <37C8E2FE.5DBA4389@flex.ro>
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Date: Sun, 29 Aug 1999 07:36:30 +0000
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From: Constantin Teodorescu <teo@flex.ro>
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Organization: FLEX Consulting Braila
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X-Mailer: Mozilla 4.61 [en] (X11; I; Linux 2.2.11 i586)
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MIME-Version: 1.0
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To: "pgsql-hackers@postgreSQL.org" <pgsql-hackers@postgreSQL.org>
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Subject: [HACKERS] Cluster on (index-name) loose NOT NULL properties
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Content-Type: text/plain; charset=us-ascii
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Content-Transfer-Encoding: 7bit
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Sender: owner-pgsql-hackers@postgreSQL.org
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Precedence: bulk
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Status: RO
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Hello all,
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trying the new version of PgAccess (hope tomorrow will be available) I
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discovered that clustering a table on an index loose also the NOT NULL
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attributes from the original table. I know that the permissions are also
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lost but didn't read anywhere about the NOT NULL.
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Best regards,
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Constantin Teodorescu
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FLEX Consulting Braila, ROMANIA
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************
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