Insert a temporal cell into another one, or update one with another

insert(tcell,tcell,connect boolean=true) → tcell
update(tcell,tcell,connect boolean=true) → tcell

SELECT insert(th3index '[871fa4418ffffff@2001-01-01,
  871fa4418ffffff@2001-01-02]', th3index '[871fa44a8ffffff@2001-01-03,
  871fa44a8ffffff@2001-01-04]');
-- [871fa4418ffffff@2001-01-01, 871fa44a8ffffff@2001-01-03, 871fa44a8ffffff@2001-01-04]
SELECT insert(tquadbin '[48a6227affffffff@2001-01-01,
  48a6227affffffff@2001-01-02]', tquadbin '[485623ffffffffff@2001-01-03,
  485623ffffffffff@2001-01-04]');
/* [48a6227affffffff@2001-01-01, 485623ffffffffff@2001-01-03,
   485623ffffffffff@2001-01-04] */
SELECT insert(ts2cell '47c3c@2001-01-01', ts2cell '47c4@2001-01-02');
-- {47c3c@2001-01-01, 47c4@2001-01-02}

Delete a time value from a temporal cell

deleteTime(tcell,time,connect boolean=true) → tcell

SELECT deleteTime(th3index '[871fa4418ffffff@2001-01-01,
  871fa4418ffffff@2001-01-04]', tstzspan '[2001-01-02, 2001-01-03]');
-- [871fa4418ffffff@2001-01-01, 871fa4418ffffff@2001-01-04]
SELECT deleteTime(tquadbin '[48a6227affffffff@2001-01-01,
  48a6227affffffff@2001-01-04]', tstzspan '[2001-01-02, 2001-01-03]');
-- [48a6227affffffff@2001-01-01, 48a6227affffffff@2001-01-04]
SELECT deleteTime(ts2cell '47c3c@2001-01-01', tstzspan '[2001-01-02, 2001-01-03]');
-- 47c3c@2001-01-01