Constructor para puntos de red temporales con valor constante

tnpoint(npoint,timestamptz) → tnpointInst

tnpoint(npoint,tstzset) → tnpointDiscSeq

tnpoint(npoint,tstzspan,interp='linear') → tnpointContSeq

tnpoint(npoint,tstzspanset,interp='linear') → tnpointSeqSet

SELECT tnpoint('Npoint(1, 0.5)', timestamptz '2001-01-01');
-- NPoint(1,0.5)@2001-01-01
SELECT tnpoint('Npoint(1, 0.3)', tstzset '{2001-01-01, 2001-01-03, 2001-01-05}');
-- {NPoint(1,0.3)@2001-01-01, NPoint(1,0.3)@2001-01-03, NPoint(1,0.3)@2001-01-05}
SELECT tnpoint('Npoint(1, 0.5)', tstzspan '[2001-01-01, 2001-01-02]');
-- [NPoint(1,0.5)@2001-01-01, NPoint(1,0.5)@2001-01-02]
SELECT tnpoint('Npoint(1, 0.2)', tstzspanset '{[2001-01-01, 2001-01-03]}', 'step');
-- Interp=Step;{[NPoint(1,0.2)@2001-01-01, NPoint(1,0.2)@2001-01-03]}

Constructor para puntos de red temporal de subtipo secuencia

tnpointSeq(tnpointInst[],interp={'step','linear'},leftInc bool=true,

rightInc bool=true) → tnpointSeq

SELECT tnpointSeq(ARRAY[tnpoint 'Npoint(1, 0.3)@2001-01-01',
  'Npoint(1, 0.5)@2001-01-02', 'Npoint(1, 0.5)@2001-01-03']);
-- {NPoint(1,0.3)@2001-01-01, NPoint(1,0.5)@2001-01-02, NPoint(1,0.5)@2001-01-03}
SELECT tnpointSeq(ARRAY[tnpoint 'Npoint(1, 0.2)@2001-01-01',
  'Npoint(1, 0.4)@2001-01-02', 'Npoint(1, 0.5)@2001-01-03']);
-- [NPoint(1,0.2)@2001-01-01, NPoint(1,0.4)@2001-01-02, NPoint(1,0.5)@2001-01-03]

Constructor para puntos de red temporal de subtipo conjunto de secuencias

tnpointSeqSet(tnpoint[]) → tnpointSeqSet

tnpointSeqSetGaps(tnpointInst[],maxt=NULL,maxdist=NULL,interp='linear') →

tnpointSeqSet

SELECT tnpointSeqSet(ARRAY[tnpoint '[Npoint(1,0.2)@2001-01-01, Npoint(1,0.4)@2001-01-02,
  Npoint(1,0.5)@2001-01-03]', '[Npoint(2,0.6)@2001-01-04, Npoint(2,0.6)@2001-01-05]']);
/* {[NPoint(1,0.2)@2001-01-01, NPoint(1,0.4)@2001-01-02, NPoint(1,0.5)@2001-01-03],
   [NPoint(2,0.6)@2001-01-04, NPoint(2,0.6)@2001-01-05]} */
SELECT tnpointSeqSetGaps(ARRAY[tnpoint 'NPoint(1,0.1)@2001-01-01',
  'NPoint(1,0.3)@2001-01-03', 'NPoint(1,0.5)@2001-01-05'], '1 day');
-- {[NPoint(1,0.1)@2001-01-01], [NPoint(1,0.3)@2001-01-03], [NPoint(1,0.5)@2001-01-05]}