"Marie G. Tuite" <[EMAIL PROTECTED]> 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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