Hi,
I wanted to create an exclusion constraint like
EXCLUDE (c1 WITH =, c2 with <>)
This gives an error:
operator <>(integer,integer) is not a member of operator family "integer_ops"
I can resolve that by using gist and the btree_gist extension.
My question is can I somehow express something like
EXCLUDE (c1 WITH =, c2 with NOT =)
It seems that's not possible at the moment. But is there any obstacle in principle or is it just not implemented?
We have a ton of overlap operators (geometric, ranges, arrays) but none for the opposite. Sometimes that's useful for exclusion constraints.
Thanks,
Torsten
