Cbuffer_cmp Cbuffer_contains Cbuffer_covers Cbuffer_disjoint Cbuffer_dwithin Cbuffer_eq Cbuffer_ge Cbuffer_gt Cbuffer_intersects Cbuffer_le Cbuffer_lt Cbuffer_ne Cbuffer_same Cbuffer_touches

Cbuffer_cmp() Datum Cbuffer_cmp ( PG_FUNCTION_ARGS  ) Return -1, 0, or 1 depending on whether the first circular buffer is less than, equal to, or greater than the second one. Note Function used for B-tree comparison @sqlfn cbuffer_cmp()