mito wrote:
Hi,
is it possible to create reference constraint only on defined subset
of data?
Reference can be defined on column which has unique constraint. It is
also possible to create partial unique index. So it should by possible
to reference this column. But postgres can not see this
Hi,
is it possible to create reference constraint only on defined subset of
data?
Reference can be defined on column which has unique constraint. It is
also possible to create partial unique index. So it should by possible
to reference this column. But postgres can not see this constraint and