Prendre la structure si disponible dans tbl_workflow sinon prendre structure de l'intervenant

CREATE OR REPLACE FORCE VIEW V_INDICATEUR_420 AS

SELECT DISTINCT

  w.intervenant_id,

  w.structure_id

FROM

  tbl_workflow w

  CASE

    WHEN w.structure_id IS NOT NULL

    THEN w.structure_id

    ELSE i.structure_id

  END structure_id

  FROM tbl_workflow w

  JOIN intervenant  i ON w.intervenant_id = i.id

  JOIN statut      si ON si.id = i.statut_id

  LEFT JOIN contrat c ON c.intervenant_id = w.intervenant_id AND c.histo_destruction IS NULL

CREATE OR REPLACE FORCE VIEW V_INDICATEUR_430 AS

SELECT

  w.intervenant_id,

  w.structure_id

  CASE

    WHEN w.structure_id IS NOT NULL

    THEN w.structure_id

    ELSE i.structure_id

  END structure_id

FROM

  intervenant i

  JOIN tbl_workflow w ON w.intervenant_id = i.id