Re: [SQL] UNIQUE constraint
От | Mihai Barbos |
---|---|
Тема | Re: [SQL] UNIQUE constraint |
Дата | |
Msg-id | 000201beed47$f7dbf140$4a8823d4@gigell обсуждение исходный текст |
Ответы |
Re: [SQL] UNIQUE constraint
Re: [SQL] UNIQUE constraint |
Список | pgsql-sql |
My fault, the correct situation is create table TEST ( testkey something PRIMARY KEY, testval something UNIQUE, ..................... ); PRIMARY KEY works OK, but UNIQUE is ignored. -----Original Message----- From: Tom Lane <tgl@sss.pgh.pa.us> To: Mihai Barbos <barbos@moon.ro> Cc: pgsql-sql@hub.org <pgsql-sql@hub.org> Date: Thursday, August 12, 1999 4:25 PM Subject: Re: [SQL] UNIQUE constraint >"Mihai Barbos" <barbos@moon.ro> writes: >> Maybe I haven't looked in the roght place but here's my problem: >> I've upgraded to 6.5 and I'm trying to use UNIQUE, something like: >> create table TEST ( >> testval something UNIQUE, >> ....................., >> ); >> In 6.4.2 it worked OK, but now it seems it has no effect. Is there any >> problem with UNIQUE ? > >I don't see any: > >create table TEST ( >testval int4 UNIQUE >); >NOTICE: CREATE TABLE/UNIQUE will create implicit index 'test_testval_key' for table 'test' >CREATE >insert into test values (1); >INSERT 283276 1 >insert into test values (1); >ERROR: Cannot insert a duplicate key into a unique index > >You're going to have to be more specific about what problem you >are observing. > > regards, tom lane >
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