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我在 TFS 2013 中创建了一个查询,如下所示:

  • 选择“工作项和直接链接”而不是“平面列表”
  • 团队项目 = @Project
  • 删除源工作项的所有其他子句。
  • 删除所有“链接工作项的过滤器”
  • 选择单选按钮“返回所有顶级工作项”
  • 选择单选按钮“返回选定的链接类型”
  • 勾选“父母”

当我在 TFS 中运行此查询时,结果包含所有符合源条件的工作项,无论它们是否具有链接。

以下 WIQL 由上述查询生成(如果我另存为文件):

SELECT [System.Id], [System.Links.LinkType], [System.WorkItemType], [System.Title], [System.AssignedTo], [System.State], [System.Tags] 
FROM WorkItemLinks 
WHERE ([Source].[System.TeamProject] = @project) 
And ([System.Links.LinkType] = 'System.LinkTypes.Hierarchy-Reverse') 
ORDER BY [System.Id] mode(MayContain)

但是,当我运行以下 powershell 时,生成的 sourceIds 仅包含具有父链接的工作项:

$CollectionUrl = "myCollectionUrl"
$ProjectName = "myProjectName"
    'Microsoft.TeamFoundation.Client', 'Microsoft.TeamFoundation.Common', 'Microsoft.TeamFoundation.WorkItemTracking.Client' |
    ForEach-Object {
        Add-Type -AssemblyName "$_, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"
    }        
    [Microsoft.TeamFoundation.Client.TfsTeamProjectCollection] $tfs = [Microsoft.TeamFoundation.Client.TfsTeamProjectCollectionFactory]::GetTeamProjectCollection($CollectionUrl)
    [Microsoft.TeamFoundation.WorkItemTracking.Client.WorkItemStore]$wis = `
        New-Object -TypeName Microsoft.TeamFoundation.WorkItemTracking.Client.WorkItemStore  `
                    -ArgumentList ($tfs, [Microsoft.TeamFoundation.WorkItemTracking.Client.WorkItemStoreFlags]::BypassRules)        
    [string] $WIQL = "SELECT [System.Id], [System.Links.LinkType], [System.WorkItemType], [System.Title], [System.AssignedTo], [System.State], [System.Tags] 
                        FROM WorkItemLinks 
                        WHERE ([Source].[System.TeamProject] = '$projectName') 
                        And ([System.Links.LinkType] = 'System.LinkTypes.Hierarchy-Reverse') 
                        ORDER BY [System.Id] mode(MayContain)"

   $query = New-Object "Microsoft.TeamFoundation.WorkItemTracking.Client.Query" -ArgumentList $wis, $WIQL
    $workItemLinkInfo = $query.RunLinkQuery() 
    $workItemLinkInfo | out-gridview

为什么 WIQL 在通过 API 传递时的行为与通过 UI 执行时不同?或者有人可以看到我要去哪里错了吗?

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