Comparaciones tradicionales

tnpoint {=, <>, <, >, <=, >=} tnpoint → boolean

SELECT tnpoint '{[NPoint(1, 0.1)@2001-01-01, NPoint(1, 0.3)@2001-01-02),
  [NPoint(1, 0.3)@2001-01-02, NPoint(1, 0.5)@2001-01-03]}' =
  tnpoint '[NPoint(1, 0.1)@2001-01-01, NPoint(1, 0.5)@2001-01-03]';
-- true
SELECT tnpoint '{[NPoint(1, 0.1)@2001-01-01, NPoint(1, 0.5)@2001-01-03]}' <>
  tnpoint '[NPoint(1, 0.1)@2001-01-01, NPoint(1, 0.5)@2001-01-03]';
-- false
SELECT tnpoint '[NPoint(1, 0.1)@2001-01-01, NPoint(1, 0.5)@2001-01-03]' <
  tnpoint '[NPoint(1, 0.1)@2001-01-01, NPoint(1, 0.6)@2001-01-03]';
-- true

Comparaciones alguna vez y siempre

{npoint,tnpoint} {?=, %=} {npoint,tnpoint} → boolean

SELECT tnpoint '[Npoint(1, 0.2)@2001-01-01, Npoint(1, 0.4)@2001-01-04)' ?= Npoint(1, 0.3);
-- true
SELECT tnpoint '[Npoint(1, 0.2)@2001-01-01, Npoint(1, 0.2)@2001-01-04)' &= Npoint(1, 0.2);
-- true

Comparaciones temporales

{npoint,tnpoint} {#=, #<>} {npoint,tnpoint} → tbool

SELECT tnpoint '[NPoint(1, 0.2)@2001-01-01, NPoint(1, 0.4)@2001-01-03)' #=
  npoint 'NPoint(1, 0.3)';
-- {[f@2001-01-01, t@2001-01-02], (f@2001-01-02, f@2001-01-03)}
SELECT tnpoint '[NPoint(1, 0.2)@2001-01-01, NPoint(1, 0.8)@2001-01-03)' #<>
  tnpoint '[NPoint(1, 0.3)@2001-01-01, NPoint(1, 0.7)@2001-01-03)';
-- {[t@2001-01-01, f@2001-01-02], (t@2001-01-02, t@2001-01-03)}