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Problem creating UNIQUE constraint

From: "Oliver Elphick" <olly(at)lfix(dot)co(dot)uk>
To: "pgsql-hackers" <pgsql-hackers(at)postgreSQL(dot)org>
Subject: Problem creating UNIQUE constraint
Date: 2000-06-28 15:55:10
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
Version: 7.0.2

There seems to be a problem with creating a unique constraint, like this:

bray=# CREATE TABLE supplier ( terms      CHAR(2) ,ac_code   CHAR(5)      
UNIQUE)  INHERITS (organisation);
NOTICE:  CREATE TABLE/UNIQUE will create implicit index 'supplier_ac_code_key' 
for table 'supplier'
ERROR:  RelationClearRelation: relation 2951924 modified while in use

but without UNIQUE:

bray=# create table supplier (terms char(2), acs_code char(5)) inherits 

bray=# \d organisation
            Table "organisation"
 Attribute  |   Type   |      Modifier      
 ptype      | smallint | 
 id         | char(10) | not null
 name       | text     | not null
 address    | integer  | 
 salutation | text     | default 'Dear Sir'
 envelope   | text     | 
 email      | text     | 
 www        | text     | 
 contact    | char(10) | 
 structure  | char(1)  | 
 department | text     | 
 parent_id  | char(10) | 
Constraints: (((department ISNULL) AND (parent_id ISNULL)) OR ((department > 
''::text) AND (parent_id > ''::bpchar)))
             ((((structure = 'L'::bpchar) OR (structure = 'C'::bpchar)) OR 
(structure = 'U'::bpchar)) OR (structure = 'O'::bpchar))
Rules: organisation_type_ins_rule,
Triggers: RI_ConstraintTrigger_2950794,


Oliver Elphick                                Oliver(dot)Elphick(at)lfix(dot)co(dot)uk
Isle of Wight                    
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     "The Spirit of the Lord is upon me, because he hath 
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      sent me to heal the brokenhearted, to preach  
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      to the blind, to set at liberty them that are  
      bruised..."         Luke 4:18 

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