次のクエリでは、同等のものが必要です
GROUP_CONCAT(ctAncestors.ancestor ORDER BY ctAncestors.depth DESC) AS breadcrumbs_id
ファイアーバードで。
これまでのところ私は得た
LIST(ctAncestors.ancestor, ',') AS breadcrumbs_id
list ディレクティブに order by を追加する方法がわかりません。
リスト集計で順序を指定するにはどうすればよいですか?
-- http://www.unlimitedtricks.com/sorting-a-subtree-in-a-closure-table-hierarchical-data-structure/
-- DECLARE @__in_rootnodeId AS bigint
-- SET @__in_rootnodeId = 8
-- SET @__in_rootnodeId = 1
SELECT
COALESCE(ctDescendants.ancestor, 0) AS parent_id
,ctAncestors.descendant AS child_id
,tClosureItemsTable.COM_Id
,tClosureItemsTable.COM_Text
--,'ab' as breadcrumbs
--,LIST(ctAncestors.ancestor ORDER BY ctAncestors.depth DESC) AS breadcrumbs_id
,LIST(ctAncestors.ancestor, ',') AS breadcrumbs_id
--,GROUP_CONCAT(ctAncestors.ancestor ORDER BY ctAncestors.depth DESC) AS breadcrumbs_id
-- ,GROUP_CONCAT(breadcrumb_data.COM_Text ORDER BY ctAncestors.depth DESC) AS breadcrumbs
--,GROUP_CONCAT(breadcrumb_data.COM_Text ORDER BY ctAncestors.depth) AS breadcrumbs
,LIST(breadcrumb_data.COM_Text) AS breadcrumbs
--,GROUP_CONCAT(breadcrumb_data.COM_Text ORDER BY ctAncestors.depth DESC SEPARATOR '-') AS breadcrumbs2
/*
,
SUBSTRING
(
(
SELECT
-- breadcrumb.ancestor AS 'text()' -- Remove substring for this
-- ', ' + CAST(breadcrumb.ancestor AS nvarchar(36)) AS 'text()'
', ' + CAST(breadcrumb_data.comment AS nvarchar(36)) AS 'text()'
FROM T_CommentClosure AS breadcrumb
LEFT JOIN Comments AS breadcrumb_data
ON breadcrumb_data.COM_Id = breadcrumb.ancestor
WHERE (breadcrumb.descendant = ctAncestors.descendant)
ORDER BY breadcrumb.depth DESC
FOR XML PATH('')
)
,2
,8000
) AS breadcrumbs
*/
,
(
SELECT COUNT(*) FROM T_CommentClosure AS tp
WHERE tp.ancestor = tClosureItemsTable.COM_Id AND tp.depth = 1
) AS ChildCount
FROM T_CommentClosure AS ctAncestors
-- Must be left join, for root node
LEFT JOIN T_CommentClosure AS ctDescendants
ON (ctDescendants.descendant = ctAncestors.descendant)
AND (ctDescendants.depth = 1)
-- INNER JOIN just in case item has been somehow deleted when FK disabled
INNER JOIN T_Comments AS tClosureItemsTable
ON (ctAncestors.descendant = tClosureItemsTable.COM_Id)
INNER JOIN T_Comments AS breadcrumb_data
ON breadcrumb_data.COM_Id = ctAncestors.ancestor
WHERE (1=1)
-- AND (ctAncestors.ancestor = @__in_rootnodeId) -- ROOT node id
AND
(
-- ( ctAncestors.ancestor = @__in_rootnodeId) -- ROOT node id
(1=2)
OR
(1=1)
-- (@__in_rootnodeId IS NULL)
)
-- AND tClosureItemsTable.active = 1
GROUP BY
ctAncestors.descendant
,ctDescendants.ancestor
,tClosureItemsTable.COM_Id
,tClosureItemsTable.COM_Text
ORDER BY breadcrumbs ASC -- DESC