| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | marie(dot)tuite(at)edisonaffiliates(dot)com |
| Cc: | "Pgsql-Sql(at)Postgresql(dot) Org" <pgsql-sql(at)postgresql(dot)org> |
| Subject: | Re: drop constraint primary key |
| Date: | 2002-10-03 17:09:38 |
| Message-ID: | 10247.1033664978@sss.pgh.pa.us |
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| Lists: | pgsql-sql |
"Marie G. Tuite" <marie(dot)tuite(at)edisonaffiliates(dot)com> writes:
> Running above, am trying to drop the primary key, but get the follwing
> error.
> project=# alter table class_teacher_rlt drop constraint
> class_teacher_rlt_pkey restrict;
> ERROR: ALTER TABLE / DROP CONSTRAINT: class_teacher_rlt_pkey does not exist
In 7.2 DROP CONSTRAINT only works for CHECK-type constraints; you'll
have to drop the underlying index directly to get rid of a
primary-key-type constraint.
7.3 does allow DROP CONSTRAINT for this.
regards, tom lane
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