Le 15/01/2010 17:13, Seb a écrit : > On Fri, 15 Jan 2010 07:35:17 +0100, > Guillaume Lelarge <guilla...@lelarge.info> wrote: > > [...] > >> Primary keys are constraints. They are enforced with an index, but >> actually they are constraints. So we put them on the constraints >> nodes. > >> There is the same behaviour for unique constraints. > > Thanks. Would there be any problem with listing the index used to > enforce the primary key constraint in the Indexes node to let us know of > its existence? In fact, psql does report it with the meta-command \d. > It was somewhat confusing to see Indexes(0), and then having to rename > an index to rename a primary key constraint. >
Sorry, forgot to answer this mail. It was asked a few times before, and AFAICT the answer is still the same. It is a constraint before being an index. The fact that it is also an index is an implementation detail. I understand this is confusing. -- Guillaume. http://www.postgresqlfr.org http://dalibo.com -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql