default index for primary key of a table

Vinita.Bansal@trilogy.com writes:

Postgres automatically creates index for Primary key of a table. I want to
turn this off, so that the default index is not created for primary key.
How can I do this??

Postgres does not support UNIQUE constraints (and PRIMARY KEY implies a UNIQUE
constraint) without an index. In Postgres the index is necessary to implement
the constraint.

In practice this doesn't usually cause any problem. Why do you want to do
this?

--
greg