Restringir a (el complemento de) un valor o un conjunto de valores

atValue(tjsonb,value) → tjsonb

minusValue(tjsonb,value) → tjsonb

atValues(tjsonb,valueset) → tjsonb

minusValues(tjsonb,valueset) → tjsonb

SELECT atValue(tjsonb '[{"vehicleId": 1, "location": "Point(1 1)"}@2001-01-01,
  {"vehicleId": 1, "location": "Point(2 2)"}@2001-01-03]',
  jsonb '{"vehicleId": 1, "location": "Point(2 2)"}');
-- {[{"location": "Point(2 2)", "vehicleId": 1}@2001-01-03]}
SELECT minusValue(tjsonb '[{"vehicleId": 1, "location": "Point(1 1)"}@2001-01-01,
  {"vehicleId": 1, "location": "Point(2 2)"}@2001-01-03]',
  jsonb '{"vehicleId": 1, "location": "Point(2 2)"}');
/* {[{"location": "Point(1 1)", "vehicleId": 1}@2001-01-01,
    {"location": "Point(1 1)", "vehicleId": 1}@2001-01-03)} */