--Migration
DROP VIEW IF EXISTS V_ENTITYHISTORYBLOB
GO

CREATE VIEW V_ENTITYHISTORYBLOB AS
SELECT
   e.ID
  ,e.C_ENTITYID
  ,e.C_ENTITYNAME
  ,e.C_ALTERATIONDATE
  ,e.C_REASON
  ,e.C_FELHASZNALOID
  ,e.C_INTEZMENYID
  ,e.C_TANEVID
  ,ev.C_ORIGINALVALUE
  ,ev.C_CURRENTVALUE
  ,ev.C_PROPERTYNAME
  ,COALESCE(f.C_NYOMTATASINEV, u.USERNAME) AS C_FELHASZNALONEV
  ,e.HOSTNAME AS C_HOSTNAME
FROM T_ENTITYHISTORY e WITH(NOLOCK)
INNER JOIN T_ENTITYBLOBVALUES ev WITH(NOLOCK) ON ev.C_ENTITYHISTORYID = e.ID
LEFT JOIN T_FELHASZNALO f WITH(NOLOCK) ON f.ID = e.C_FELHASZNALOID
LEFT JOIN auditlog.Users u WITH(NOLOCK) ON u.USERID = e.C_FELHASZNALOID
GO  

DROP VIEW IF EXISTS V_ENTITYHISTORY
GO

CREATE VIEW V_ENTITYHISTORY AS
-- T_ENTITYBLOBVALUES
SELECT
   e.ID
  ,e.C_ENTITYID
  ,e.C_ENTITYNAME
  ,e.C_ALTERATIONDATE
  ,e.C_REASON
  ,e.C_FELHASZNALOID
  ,e.C_INTEZMENYID
  ,e.C_TANEVID
  ,ev.C_ORIGINALVALUE
  ,ev.C_CURRENTVALUE
  ,ev.C_PROPERTYNAME
  ,COALESCE(f.C_NYOMTATASINEV, u.USERNAME) AS C_FELHASZNALONEV
  ,e.HOSTNAME AS C_HOSTNAME
FROM T_ENTITYHISTORY e WITH(NOLOCK)
INNER JOIN T_ENTITYBLOBVALUES ev WITH(NOLOCK) ON ev.C_ENTITYHISTORYID = e.ID
LEFT JOIN T_FELHASZNALO f WITH(NOLOCK) ON f.ID = e.C_FELHASZNALOID
LEFT JOIN auditlog.Users u WITH(NOLOCK) ON u.USERID = e.C_FELHASZNALOID

UNION ALL

-- T_ENTITYATTRIBUTEHISTORY
SELECT
   e.ID
  ,e.C_ENTITYID
  ,e.C_ENTITYNAME
  ,e.C_ALTERATIONDATE
  ,e.C_REASON
  ,e.C_FELHASZNALOID
  ,e.C_INTEZMENYID
  ,e.C_TANEVID
  ,ea.C_ORIGINALVALUE
  ,ea.C_CURRENTVALUE 
  ,ea.C_PROPERTYNAME
  ,COALESCE(f.C_NYOMTATASINEV, u.USERNAME) AS C_FELHASZNALONEV
  ,e.HOSTNAME AS C_HOSTNAME
FROM dbo.T_ENTITYHISTORY e WITH(NOLOCK)
LEFT JOIN dbo.T_ENTITYATTRIBUTEHISTORY ea WITH(NOLOCK) ON ea.C_ENTITYHISTORYID = e.ID
LEFT JOIN dbo.T_FELHASZNALO f WITH(NOLOCK) ON f.ID = e.C_FELHASZNALOID
LEFT JOIN auditlog.Users u WITH(NOLOCK) ON u.USERID = e.C_FELHASZNALOID
WHERE EXISTS(SELECT * FROM dbo.T_ENTITYATTRIBUTEHISTORY h WITH(NOLOCK) WHERE h.C_ENTITYHISTORYID = e.ID) -- performancia miatt
GO