SQL再帰 - 親子 - 複数のレベル

Question

I持ってOutputTemplates - > OutputBookmarks - > OutputNodes - > OutputTemplates - > OutputBookmarks - > OutputNodes ...等私は、既知のトップレベルのOutputNodesのセットで始めています

OutputTemplate - > OutputBookmarks

すべての子OutputNodeIDを取得し、パフォーマンスを向上させるために、以下のクエリを簡略化したいと思います。

ALTER PROCEDURE [推進] AS [Promote_Outputs_Delete_Output_Nodes_Not_In_Source]（promotionIDはUNIQUEIDENTIFIER @） は

WITH 
      CTE_OutputOptions 
      AS (
      SELECT t.p.value('@OutputOptionID', 'uniqueidentifier') AS OutputOptionID, 
       t.p.value('@TemplateID', 'uniqueidentifier') AS OutputTemplateID 
      FROM [Promotion].Promotions AS p 
       CROSS APPLY p.OutputsXml.nodes('/Data/dbo.OutputOptions/dbo.OutputOptions') t(p) 
      INNER JOIN [dbo].[OutputOptions] oo 
      ON oo.OutputOptionID = t.p.value('@OutputOptionID', 'uniqueidentifier') 
      WHERE p.PromotionID = @promotionID) 

      ,CTE_AllSourceOutputTemplates 
      AS (
      SELECT t.p.value('@OutputTemplateID', 'uniqueidentifier') AS OutputTemplateID, 
       t.p.value('@TemplateFileName', 'nvarchar(200)') AS TemplateFileName, 
       t.p.value('@CreatedDate', 'datetime') AS CreatedDate, 
       coalesce(t.p.value('@CreatedByUserID', 'uniqueidentifier'), '00000000-0000-0000-0000-000000000000') AS CreatedByUserID, 
       t.p.value('@DeletedDate', 'datetime') AS DeletedDate, 
       t.p.value('@DeletedByUserID', 'uniqueidentifier') AS DeletedByUserID, 
       t.p.value('@ModifiedByUserID', 'uniqueidentifier') AS ModifiedByUserID, 
       t.p.value('@ModifiedDate', 'datetime') AS ModifiedDate, 
       t.p.value('@IOFileName', 'nvarchar(100)') AS IOFileName 
      FROM [Promotion].Promotions AS p 
       CROSS APPLY p.OutputsXml.nodes('/Data/Outputs.OutputTemplates/Outputs.OutputTemplates') t(p) 
      WHERE p.PromotionID = @promotionID) 

      ,CTE_AllSourceBookmarks 
      AS (
      SELECT t.p.value('@OutputDocTemplateBookmarkID', 'uniqueidentifier') AS OutputDocTemplateBookmarkID, 
       t.p.value('@OutputTemplateID', 'uniqueidentifier') AS OutputTemplateID, 
       t.p.value('@OutputDocBookmarkTypeID', 'int') AS OutputDocBookmarkTypeID, 
       t.p.value('@Name', 'nvarchar(200)') AS Name, 
       t.p.value('@DisplayOrder', 'int') AS DisplayOrder, 
       t.p.value('@DoPageBreakBefore', 'bit') AS DoPageBreakBefore, 
       t.p.value('@DoPageBreakAfter', 'bit') AS DoPageBreakAfter, 
       t.p.value('@SoftName', 'nvarchar(100)') AS SoftName, 
       t.p.value('@ShowOnOverridePage', 'bit') AS ShowOnOverridePage, 
       t.p.value('@AllowVisibilityOverride', 'bit') AS AllowVisibilityOverride, 
       t.p.value('@AllowForcePageBreak', 'bit') AS AllowForcePageBreak, 
       t.p.value('@ShowOnAllVersions', 'bit') AS ShowOnAllVersions, 
       t.p.value('@DefaultToHidden', 'bit') AS DefaultToHidden 
      FROM [Promotion].Promotions AS p 
       CROSS APPLY p.OutputsXml.nodes('/Data/Outputs.OutputDocTemplateBookmarks/Outputs.OutputDocTemplateBookmarks') t(p) 
      WHERE p.PromotionID = @promotionID) 

      ,CTE_AllSourceOutputNodes 
      AS (
      SELECT t.p.value('@OutputNodeID', 'uniqueidentifier') AS OutputNodeID, 
       t.p.value('@OutputNodeTypeID', 'int') AS OutputNodeTypeID, 
       t.p.value('@OutputTemplateID', 'uniqueidentifier') AS OutputTemplateID, 
       t.p.value('@OutputTemplateBookmarkID', 'uniqueidentifier') AS OutputDocTemplateBookmarkID, 
       t.p.value('@LinkedToNodeID', 'uniqueidentifier') AS LinkedToNodeID 
      FROM [Promotion].Promotions AS p 
       CROSS APPLY p.OutputsXml.nodes('/Data/Outputs.OutputNodes/Outputs.OutputNodes') t(p) 
      WHERE 
      p.PromotionID = @promotionID) 

      ,CTE_TopSourceOutputTemplates 
      AS (
      SELECT aot.OutputTemplateID, 
       TemplateFileName, 
       CreatedDate, 
       CreatedByUserID, 
       DeletedDate, 
       DeletedByUserID, 
       ModifiedByUserID, 
       ModifiedDate, 
       IOFileName 
      FROM CTE_AllSourceOutputTemplates aot 
      INNER JOIN CTE_OutputOptions opts 
      ON opts.OutputTemplateID = aot.OutputTemplateID 
     ) 

      ,CTE_TopSourceBookmarks 
      AS (
      SELECT OutputDocTemplateBookmarkID, 
       ab.OutputTemplateID, 
       OutputDocBookmarkTypeID, 
       Name, 
       DisplayOrder, 
       DoPageBreakBefore, 
       DoPageBreakAfter, 
       SoftName, 
       ShowOnOverridePage, 
       AllowVisibilityOverride, 
       AllowForcePageBreak, 
       ShowOnAllVersions, 
       DefaultToHidden 
      FROM CTE_AllSourceBookmarks ab 
      INNER JOIN CTE_TopSourceOutputTemplates toptemplates 
      ON ab.OutputTemplateID = toptemplates.OutputTemplateID 
     ) 

      ,CTE_TopSourceOutputNodes 
      AS (
      SELECT allsourcenodes.OutputNodeID, 
        allsourcenodes.OutputNodeTypeID, 
        allsourcenodes.OutputTemplateID, 
        allsourcenodes.OutputDocTemplateBookmarkID, 
        allsourcenodes.LinkedToNodeID 
      FROM CTE_AllSourceOutputNodes allsourcenodes 
      INNER JOIN CTE_TopSourceBookmarks topbookmarks 
      ON allsourcenodes.OutputDocTemplateBookmarkID = topbookmarks.OutputDocTemplateBookmarkID 
     ) 

      ,CTE_NextOutputTemplates1 
      AS (
      SELECT aot.OutputTemplateID, 
       TemplateFileName, 
       CreatedDate, 
       CreatedByUserID, 
       DeletedDate, 
       DeletedByUserID, 
       ModifiedByUserID, 
       ModifiedDate, 
       IOFileName 
      FROM CTE_AllSourceOutputTemplates aot 
      INNER JOIN CTE_TopSourceOutputNodes topnodes 
      ON topnodes.OutputTemplateID = aot.OutputTemplateID 
     ), 

      CTE_NextOutputBookmarks1 
      AS (
      SELECT OutputDocTemplateBookmarkID, 
       ab.OutputTemplateID, 
       OutputDocBookmarkTypeID, 
       Name, 
       DisplayOrder, 
       DoPageBreakBefore, 
       DoPageBreakAfter, 
       SoftName, 
       ShowOnOverridePage, 
       AllowVisibilityOverride, 
       AllowForcePageBreak, 
       ShowOnAllVersions, 
       DefaultToHidden 
      FROM CTE_AllSourceBookmarks ab 
      INNER JOIN CTE_NextOutputTemplates1 nexttemplates 
      ON ab.OutputTemplateID = nexttemplates.OutputTemplateID 
     ), 

      CTE_NextOutputNodes1 
      AS (
      SELECT allsourcenodes.OutputNodeID, 
        allsourcenodes.OutputNodeTypeID, 
        allsourcenodes.OutputTemplateID, 
        allsourcenodes.OutputDocTemplateBookmarkID, 
        allsourcenodes.LinkedToNodeID 
      FROM CTE_AllSourceOutputNodes allsourcenodes 
      INNER JOIN CTE_NextOutputBookmarks1 nextbookmarks 
      ON allsourcenodes.OutputDocTemplateBookmarkID = nextbookmarks.OutputDocTemplateBookmarkID 
     ) 

      -------- 

      ,CTE_NextOutputTemplates2 
      AS (
      SELECT aot.OutputTemplateID, 
       TemplateFileName, 
       CreatedDate, 
       CreatedByUserID, 
       DeletedDate, 
       DeletedByUserID, 
       ModifiedByUserID, 
       ModifiedDate, 
       IOFileName 
      FROM CTE_AllSourceOutputTemplates aot 
      INNER JOIN CTE_NextOutputNodes1 nextnodes 
      ON nextnodes.OutputTemplateID = aot.OutputTemplateID 
     ), 

      CTE_NextOutputBookmarks2 
      AS (
      SELECT OutputDocTemplateBookmarkID, 
       ab.OutputTemplateID, 
       OutputDocBookmarkTypeID, 
       Name, 
       DisplayOrder, 
       DoPageBreakBefore, 
       DoPageBreakAfter, 
       SoftName, 
       ShowOnOverridePage, 
       AllowVisibilityOverride, 
       AllowForcePageBreak, 
       ShowOnAllVersions, 
       DefaultToHidden 
      FROM CTE_AllSourceBookmarks ab 
      INNER JOIN CTE_NextOutputTemplates2 nexttemplates 
      ON ab.OutputTemplateID = nexttemplates.OutputTemplateID 
     ), 

      CTE_NextOutputNodes2 
      AS (
      SELECT allsourcenodes.OutputNodeID, 
        allsourcenodes.OutputNodeTypeID, 
        allsourcenodes.OutputTemplateID, 
        allsourcenodes.OutputDocTemplateBookmarkID, 
        allsourcenodes.LinkedToNodeID 
      FROM CTE_AllSourceOutputNodes allsourcenodes 
      INNER JOIN CTE_NextOutputBookmarks2 nextbookmarks 
      ON allsourcenodes.OutputDocTemplateBookmarkID = nextbookmarks.OutputDocTemplateBookmarkID 
     ) 

      ---------------------- 

      ,CTE_NextOutputTemplates3 
      AS (
      SELECT aot.OutputTemplateID, 
       TemplateFileName, 
       CreatedDate, 
       CreatedByUserID, 
       DeletedDate, 
       DeletedByUserID, 
       ModifiedByUserID, 
       ModifiedDate, 
       IOFileName 
      FROM CTE_AllSourceOutputTemplates aot 
      INNER JOIN CTE_NextOutputNodes2 nextnodes 
      ON nextnodes.OutputTemplateID = aot.OutputTemplateID 
     ), 

      CTE_NextOutputBookmarks3 
      AS (
      SELECT OutputDocTemplateBookmarkID, 
       ab.OutputTemplateID, 
       OutputDocBookmarkTypeID, 
       Name, 
       DisplayOrder, 
       DoPageBreakBefore, 
       DoPageBreakAfter, 
       SoftName, 
       ShowOnOverridePage, 
       AllowVisibilityOverride, 
       AllowForcePageBreak, 
       ShowOnAllVersions, 
       DefaultToHidden 
      FROM CTE_AllSourceBookmarks ab 
      INNER JOIN CTE_NextOutputTemplates3 nexttemplates 
      ON ab.OutputTemplateID = nexttemplates.OutputTemplateID 
     ), 

      CTE_NextOutputNodes3 
      AS (
      SELECT allsourcenodes.OutputNodeID, 
        allsourcenodes.OutputNodeTypeID, 
        allsourcenodes.OutputTemplateID, 
        allsourcenodes.OutputDocTemplateBookmarkID, 
        allsourcenodes.LinkedToNodeID 
      FROM CTE_AllSourceOutputNodes allsourcenodes 
      INNER JOIN CTE_NextOutputBookmarks3 nextbookmarks 
      ON allsourcenodes.OutputDocTemplateBookmarkID = nextbookmarks.OutputDocTemplateBookmarkID 
     ) 

    ------------------------------------- 

        ,CTE_NextOutputTemplates4 
      AS (
      SELECT aot.OutputTemplateID, 
       TemplateFileName, 
       CreatedDate, 
       CreatedByUserID, 
       DeletedDate, 
       DeletedByUserID, 
       ModifiedByUserID, 
       ModifiedDate, 
       IOFileName 
      FROM CTE_AllSourceOutputTemplates aot 
      INNER JOIN CTE_NextOutputNodes3 nextnodes 
      ON nextnodes.OutputTemplateID = aot.OutputTemplateID 
     ), 

      CTE_NextOutputBookmarks4 
      AS (
      SELECT OutputDocTemplateBookmarkID, 
       ab.OutputTemplateID, 
       OutputDocBookmarkTypeID, 
       Name, 
       DisplayOrder, 
       DoPageBreakBefore, 
       DoPageBreakAfter, 
       SoftName, 
       ShowOnOverridePage, 
       AllowVisibilityOverride, 
       AllowForcePageBreak, 
       ShowOnAllVersions, 
       DefaultToHidden 
      FROM CTE_AllSourceBookmarks ab 
      INNER JOIN CTE_NextOutputTemplates4 nexttemplates 
      ON ab.OutputTemplateID = nexttemplates.OutputTemplateID 
     ), 

      CTE_NextOutputNodes4 
      AS (
      SELECT allsourcenodes.OutputNodeID, 
        allsourcenodes.OutputNodeTypeID, 
        allsourcenodes.OutputTemplateID, 
        allsourcenodes.OutputDocTemplateBookmarkID, 
        allsourcenodes.LinkedToNodeID 
      FROM CTE_AllSourceOutputNodes allsourcenodes 
      INNER JOIN CTE_NextOutputBookmarks4 nextbookmarks 
      ON allsourcenodes.OutputDocTemplateBookmarkID = nextbookmarks.OutputDocTemplateBookmarkID 
     ) 

      ------------------------------ 

       ,CTE_NextOutputTemplates5 
      AS (
      SELECT aot.OutputTemplateID, 
       TemplateFileName, 
       CreatedDate, 
       CreatedByUserID, 
       DeletedDate, 
       DeletedByUserID, 
       ModifiedByUserID, 
       ModifiedDate, 
       IOFileName 
      FROM CTE_AllSourceOutputTemplates aot 
      INNER JOIN CTE_NextOutputNodes4 nextnodes 
      ON nextnodes.OutputTemplateID = aot.OutputTemplateID 
     ), 

      CTE_NextOutputBookmarks5 
      AS (
      SELECT OutputDocTemplateBookmarkID, 
       ab.OutputTemplateID, 
       OutputDocBookmarkTypeID, 
       Name, 
       DisplayOrder, 
       DoPageBreakBefore, 
       DoPageBreakAfter, 
       SoftName, 
       ShowOnOverridePage, 
       AllowVisibilityOverride, 
       AllowForcePageBreak, 
       ShowOnAllVersions, 
       DefaultToHidden 
      FROM CTE_AllSourceBookmarks ab 
      INNER JOIN CTE_NextOutputTemplates5 nexttemplates 
      ON ab.OutputTemplateID = nexttemplates.OutputTemplateID 
     ), 

      CTE_NextOutputNodes5 
      AS (
      SELECT allsourcenodes.OutputNodeID, 
        allsourcenodes.OutputNodeTypeID, 
        allsourcenodes.OutputTemplateID, 
        allsourcenodes.OutputDocTemplateBookmarkID, 
        allsourcenodes.LinkedToNodeID 
      FROM CTE_AllSourceOutputNodes allsourcenodes 
      INNER JOIN CTE_NextOutputBookmarks5 nextbookmarks 
      ON allsourcenodes.OutputDocTemplateBookmarkID = nextbookmarks.OutputDocTemplateBookmarkID 
     ) 

select * from CTE_NextOutputNodes5 --where outputtemplateid is not null 
UNION 
SELECT * from CTE_NextOutputNodes4 
UNION 
SELECT * from CTE_NextOutputNodes3 
UNION 
SELECT * from CTE_NextOutputNodes2 
UNION 
SELECT * from CTE_NextOutputNodes1 
UNION 
SELECT * from CTE_TopSourceOutputNodes 

END --Ultimately

BEGIN - 。これは以下

WITH 
CTE_RecursiveTemplateBookmarkNodes AS 
(
select t.outputtemplateid, b.outputdoctemplatebookmarkid, n.outputnodeid, n.outputtemplateid as nodetemplateid 
from outputs.outputtemplates t 
inner join outputs.OutputDocTemplateBookmarks b 
on t.outputtemplateid = b.outputtemplateid 
inner join outputs.outputnodes n 
on b.outputdoctemplatebookmarkid = n.outputtemplatebookmarkid 
UNION ALL 
select t.outputtemplateid, b.outputdoctemplatebookmarkid, n.outputnodeid, n.outputtemplateid as nodetemplateid 
from CTE_RecursiveTemplateBookmarkNodes cte 
inner join outputs.outputtemplates t 
on t.outputtemplateid = cte.nodetemplateid 
inner join outputs.outputdoctemplatebookmarks b 
on b.OutputTemplateID = t.outputtemplateid 
inner join outputs.outputnodes n 
on b.outputdoctemplatebookmarkid = n.outputtemplatebookmarkid 
) 
select distinct * from CTE_RecursiveTemplateBookmarkNodes 

Answer 1

で働いたがあなたの問題に適用することができるアイデアを持つサンプルデータとクエリを含むスクリプト。スクリプトはそのまま実行できます。必要に応じて、問題の正確なクエリーを作成することができますが、クエリーが動作するXMLの例が必要です。

-- sample data 

declare @templates xml = '<root> 
    <template id="1"></template> 
    <template id="2"></template> 
    <template id="3"></template> 
    <template id="4"></template> 
    <template id="5"></template> 
</root>' 
declare @bookmarks xml = '<root> 
    <bookmark id="1" templateId="1"></bookmark> 
    <bookmark id="2" templateId="2"></bookmark> 
    <bookmark id="3" templateId="3"></bookmark> 
    <bookmark id="4" templateId="4"></bookmark> 
    <bookmark id="5" templateId="5"></bookmark> 
</root>' 
declare @nodes xml = '<root> 
    <node id="1" bookmarkId="1" templateId="2"></node> 
    <node id="2" bookmarkId="1" templateId="3"></node> 
    <node id="3" bookmarkId="2" templateId="4"></node> 
    <node id="4" bookmarkId="3" templateId="5"></node> 
    <node id="5" bookmarkId="4"></node> 
    <node id="6" bookmarkId="5"></node> 
</root>' 

-- query 

;with alltemplates as (
    select id = a.value('@id', 'int') from @templates.nodes('/root/template') a(a) 
),allbookmarks as (
    select id = a.value('@id', 'int'), templateId = a.value('@templateId', 'int') from @bookmarks.nodes('/root/bookmark') a(a) 
),allnodes as (
    select id = a.value('@id', 'int'), bookmarkId = a.value('@bookmarkId', 'int'), templateId = a.value('@templateId', 'int') from @nodes.nodes('/root/node') a(a) 
), cte as (
    select nodeId = allnodes.id, allnodes.templateId from alltemplates 
    join allbookmarks on alltemplates.id = allbookmarks.templateId 
    join allnodes on allbookmarks.id = allnodes.bookmarkId 
    where alltemplates.id = 1 -- join on options instead 
    union all 
    select allnodes.id, allnodes.templateId from cte 
    join allbookmarks on cte.templateId = allbookmarks.templateId 
    join allnodes on allbookmarks.id = allnodes.bookmarkId 
) 

select nodeId from cte