Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> writes:
> gist__int_ops | 1007
> gist__intbig_ops | 1007
> we want gist__int_ops to be default index opclass.
> If we delete gist__intbig_ops entry from opclass, then we couldn't use
> gist__intbig_ops !
Put in gist__intbig_ops with zero for the default type. You should
never have more than one entry in pg_opclass claiming to be the default
for a given type OID.
regards, tom lane