2014-03-23, Andreas Joseph Krogh <andr...@officenet.no>:
> I'm trying to define the following exclusion-constraint > > > *alter table *my_table *add EXCLUDE USING gist *(is_default *WITH *=, > *daterange*(valid_from, valid_to, *'[)'*) *WITH *&&) *WHERE *(is_default = > *true*); > > is_default should not be in the index as only one value filtered on the WHERE clause.