This query produces a SQL of the Parts Tree. It can be used as is, but it is often useful as a basis for other Parts based SQL's where the data should be displayed in tree format.

Notes

None. This is a selection query and no data is modified in the running of it.

DECLARE @ShowInactive bit;
--SET @ShowInActive = ;
SET @ShowInactive = 1;
DECLARE @Spacing INT;
SET @Spacing = 4;
SELECT
  ROW_NUMBER() OVER(ORDER BY FormattedPath) AS ROW,
  SPACE(@Spacing * (Depth-1)) + NodeName AS FormattedName,
  *
FROM
    ( SELECT
          COALESCE(Part.ID,          Level5.ID,          Level4.ID,          Level3.ID,          Level2.ID,          Level1.ID         ) AS NodeID,
          COALESCE(Part.ClassTypeID, Level5.ClassTypeID, Level4.ClassTypeID, Level3.ClassTypeID, Level2.ClassTypeID, Level1.ClassTypeID) AS NodeClassTypeID,
          COALESCE(Part.IsActive,    Level5.IsActive,    Level4.IsActive,    Level3.IsActive,    Level2.IsActive,    Level1.IsActive   ) AS IsActive,
          IsCategory,
          COALESCE(Level5.ID - Level5.ID + 5, Level4.ID - Level4.ID + 4, Level3.ID - Level3.ID + 3, Level2.ID - Level2.ID + 2, Level1.ID - Level1.ID + 1, 0)
           + COALESCE(Part.ID - Part.ID + 1, 0) AS Depth,  -- Depth is equal to the tree level + 1 for the Part
          COALESCE(Part.ItemName,    Level5.ElementName, Level4.ElementName, Level3.ElementName, Level2.ElementName, Level1.ElementName) AS NodeName,
          COALESCE(Part.CategoryID,  Level5.ParentID,     Level4.ParentID,    Level3.ParentID,    Level2.ParentID,    Level1.ParentID   ) AS ParentID,
          COALESCE(Part.CategoryClassTypeID, Level5.ParentClassTypeID, Level4.ParentClassTypeID, Level3.ParentClassTypeID, Level2.ParentClassTypeID, Level1.ParentClassTypeID) AS ParentClassTypeID,
          Level1.ElementName AS LevelName,
          Level2.ElementName AS Level2Name,
          Level3.ElementName AS Level3Name,
          Level4.ElementName AS Level4Name,
          Level5.ElementName AS Level5Name,
          Part.ItemName AS PartCode,
          Level1.ID AS Level1ID,
          Level2.ID AS Level2ID,
          Level3.ID AS Level3ID,
          Level4.ID AS Level4ID,
          Level5.ID AS Level5ID,
          Part.ID AS PartID,
          COALESCE(Level1.ElementName + '\', '') +
            coalesce(Level2.ElementName + '\', '') +
            coalesce(Level3.ElementName + '\', '') +
            coalesce(Level4.ElementName + '\', '') +
            coalesce(Level5.ElementName + '\', '') +
            coalesce(' '+Part.ItemName, '')
            as FormattedPath
        from PricingElement as Level1
        JOIN (SELECT 1 AS IsLevel1 UNION SELECT 0) Temp1 ON 1=1 -- create two rows for each of the above
        left join PricingElement as Level2 on Level2.ParentID = Level1.ID and Level2.ClassTypeID = 12035 and IsLevel1 = 0
        JOIN (SELECT 1 AS IsLevel2 UNION SELECT 0) Temp2 ON 1=1
        left join PricingElement as Level3 on Level3.ParentID = Level2.ID and Level3.ClassTypeID = 12035 and IsLevel1 = 0 and IsLevel2 = 0
        JOIN (SELECT 1 AS IsLevel3 UNION SELECT 0) Temp3 ON 1=1
        left join PricingElement as Level4 on Level4.ParentID = Level3.ID and Level4.ClassTypeID = 12035 and IsLevel1 = 0 and IsLevel2 = 0 and IsLevel3 = 0
        JOIN (SELECT 1 AS IsLevel4 UNION SELECT 0) Temp4 ON 1=1
        left join PricingElement as Level5 on Level5.ParentID = Level4.ID and Level5.ClassTypeID = 12035 and IsLevel1 = 0 and IsLevel2 = 0 and IsLevel3 = 0 and IsLevel4 = 0
        JOIN (SELECT 1 AS IsLevel5 UNION SELECT 0) Temp5 ON 1=1
        JOIN (SELECT 1 AS IsCategory UNION SELECT 0) Temp6 ON 1=1
        left join Part on Part.CategoryID = coalesce(Level5.ID, Level4.ID, Level3.ID, Level2.ID, Level1.ID)
                                          and Part.ID > 0
                                          and IsCategory = 0
        where Level1.ClassTypeID = 12035 and Level1.ParentID IS NULL and Level1.ID > 0
              and (IsLevel1 + IsLevel2 + IsLevel3 +IsLevel4 + IsLevel5 = 1)
              and (   (IsLevel1=1 and Level1.ID is not NULL and Level2.ID is NULL)
                   or (IsLevel2=1 and Level2.ID is not null and Level3.ID is NULL)
                   or (IsLevel3=1 and Level3.ID is not null and Level4.ID is NULL)
                   or (IsLevel4=1 and Level4.ID is not null and Level5.ID is NULL)
                   or (IsLevel5=1 and Level5.ID is not null )
                  )
              and (   (IsCategory = 1 and Part.ID IS NULL)
                   or (IsCategory = 0 and Part.ID IS NOT NULL)
                   )
    ) PartTree
Where ((@ShowInActive = 1) or (@ShowInactive = 0 and PartTree.IsActive = 1))
order by Row
  • Entered : 1/8/2010
  • Version : Control 4.4+
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