+++ /dev/null
-From owner-pgsql-hackers@hub.org Thu Apr 16 15:00:41 1998
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-From: "Jackson, DeJuan" <djackson@cpsgroup.com>
-To: PostgreSQL Hackers Mailing List <pgsql-hackers@hub.org>
-Cc: PostgreSQL Questions Mailing List <pgsql-questions@postgreSQL.org>
-Subject: [HACKERS] Bug or Short between my brain and the keyboard?
-Date: Thu, 16 Apr 1998 13:56:27 -0500
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-
-Just thought I'd try the cluster command. What am I doing wrong.
-ReadHat 5.0
-6.3.1 rpm's
-
-[djackson@www]$ psql template1
-Welcome to the POSTGRESQL interactive sql monitor:
- Please read the file COPYRIGHT for copyright terms of POSTGRESQL
-
- type \? for help on slash commands
- type \q to quit
- type \g or terminate with semicolon to execute query
- You are currently connected to the database: template1
-
-template1=> \d
-Couldn't find any tables, sequences or indices!
-template1=> \l
-datname |datdba|datpath
----------+------+---------
-template1| 100|template1
-postgres | 100|postgres
-(2 rows)
-
-template1=> create database test;
-CREATEDB
-template1=> \connect test
-connecting to new database: test
-test=> create table list (k int2);
-CREATE
-test=> insert into list values (1);
-INSERT 33769 1
-test=> insert into list select max(k)+1;
-.
-.
-.
-test=> select * from list;
-k
--
-1
-2
-3
-4
-5
-6
-(6 rows)
-
-test=> create table list2 (k1 int2 NOT NULL, k2 int2 NOT NULL);
-CREATE
-test=> create UNIQUE INDEX l1 ON list2(k1, k2);
-CREATE
-test=> create UNIQUE INDEX l2 ON list2(k2, k1);
-CREATE
-test=> insert into list2 select l1.k, l2.k from list as l1, list as l2;
-INSERT 0 36
-test=> select * from list2;
-k1|k2
---+--
- 1| 1
- 2| 1
- 3| 1
-.
-.
-.
- 4| 6
- 5| 6
- 6| 6
-(36 rows)
-
-test=> vacuum verbose analyze list2;
-NOTICE: Rel list2: Pages 1: Changed 0, Reapped 0, Empty 0, New 0; Tup
-36: Vac 0, Crash 0, UnUsed 0, MinLen 44, MaxLen 44; Re-using:
-Free/Avail. Space 0/0; EndEmpty/Avail. Pages 0/0. Elapsed 0/0 sec.
-NOTICE: Ind l2: Pages 2; Tuples 36. Elapsed 0/0 sec.
-NOTICE: Ind l1: Pages 2; Tuples 36. Elapsed 0/0 sec.
-VACUUM
-test=> cluster l1 on list2;
-ERROR: Cannot create unique index. Table contains non-unique values
-test=> cluster l2 on list2;
-PQexec() -- Request was sent to backend, but backend closed the channel
-before responding.
- This probably means the backend terminated abnormally before or
-while processing the request.
-
-
-From owner-pgsql-ports@hub.org Tue Jun 22 21:03:40 1999
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-Date: Tue, 22 Jun 1999 20:57:21 -0400 (EDT)
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-Message-Id: <199906230057.UAA24081@hub.org>
-To: pgsql-ports@postgreSQL.org
-Reply-to: Vladimir Dobrokhotov <dvs@rybvod.kamchatka.su>
-Subject: [PORTS] Port Bug Report: 1.backend crash when frontend do cluster (sometimes!?), 2.cluster does not work
-Sender: owner-pgsql-ports@postgreSQL.org
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-Status: ROr
-
-
-============================================================================
- POSTGRESQL BUG REPORT TEMPLATE
-============================================================================
-
-
-Your name : Vladimir Dobrokhotov
-Your email address : dvs@rybvod.kamchatka.su
-
-Category : runtime: back-end
-Severity : critical
-
-Summary: 1.backend crash when frontend do cluster (sometimes!?), 2.cluster does not work
-
-System Configuration
---------------------
- Operating System : FreeBSD 2.2.5-RELEASE
-
- PostgreSQL version : 6.5
-
- Compiler used : gcc 2.7.2.1
-
-Hardware:
----------
-Pentium, 32 RAM
-
-Versions of other tools:
-------------------------
-gmake 3.75, flex 2.5.4
-
---------------------------------------------------------------------------
-
-Problem Description:
---------------------
-This problem come from pg6.2.
-cluster (unique index btree(4 filelds varchar(4))) not work - "cannot create unique index. Table contains non-unique values."
-In pg6.4.2 command "cluster ind_un.." destroy all indexes on the table but index "ind_un" detroy fields form 2...
-In pg6.5 - random one from:
-1) ERROR: cannot create unique index. Table contains non-unique values.
-2) pgReadData() -- backend closed ... (need restart frontend)
-3) pgReadData() -- backend closed ... (need restart backend, frontend)
-4) pgReadData() -- backend closed ... (need restart backend, frontend, remove file "temp_1ddbc".)
-
-
---------------------------------------------------------------------------
-
-Test Case:
-----------
-=>create table sns (n1 varchar(4), n2 varchar(4), n3 varchar(4), n4 varchar(4), name text);
-CREATE
-=>insert into sns values ('0','00','','','a');
-INSERT 278624 1
-=>insert into sns values ('0','01','','','b');
-INSERT 278626 1
-=>create unique index sn_b on sns using btree(n1,n2,n3,n4);
-CREATE
-=>cluster sn_b on sns;
-ERROR: Cannot create unique index. Table contains non-unique values
-=>cluster sn_b on sns;
-pgReadData() -- backend closed the channel unexpectedly.
- This probably means the backend terminated abnormally
- before or while processing the request.
-We have lost the connection to backend, so further processing is impossible.
- Terminating.
-#psql dv14
-Connection to database 'dv14' failed.
-connectDB() -- ...
-#su postgres
-$~/rc.local
- postmaster.
-^D#psql dv14
-Welcome to the POSTGRES interactive sql monitor.
-...
-=>cluster sn_b on sns;
-ERROR: cannot create temp_44050
-(rm ~/data/base/dv14/temp_44050)
-=>cluster sn_b on sns;
-ERROR: Cannot create unique index. Table contains non-unique values
-=>cluster sn_b on sns;
-pgReadData() -- backend closed the channel unexpectedly.
- This probably means the backend terminated abnormally
- before or while processing the request.
-We have lost the connection to backend, so further processing is impossible.
- Terminating.
-#psql dv14
-Welcome to the POSTGRES interactive sql monitor.
-...
-=>
-
-
---------------------------------------------------------------------------
-
-Solution:
----------
-
-
---------------------------------------------------------------------------
-
-
-
-From owner-pgsql-hackers@hub.org Sun Aug 29 03:58:30 1999
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-Message-ID: <37C8E2FE.5DBA4389@flex.ro>
-Date: Sun, 29 Aug 1999 07:36:30 +0000
-From: Constantin Teodorescu <teo@flex.ro>
-Organization: FLEX Consulting Braila
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-To: "pgsql-hackers@postgreSQL.org" <pgsql-hackers@postgreSQL.org>
-Subject: [HACKERS] Cluster on (index-name) loose NOT NULL properties
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-Sender: owner-pgsql-hackers@postgreSQL.org
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-Status: RO
-
-Hello all,
-
-trying the new version of PgAccess (hope tomorrow will be available) I
-discovered that clustering a table on an index loose also the NOT NULL
-attributes from the original table. I know that the permissions are also
-lost but didn't read anywhere about the NOT NULL.
-
-Best regards,
-
-Constantin Teodorescu
-FLEX Consulting Braila, ROMANIA
-
-************
-
-
projects / postgresql / commitdiff