SQLServer LEFT JOIN 表中的第一条

Posted 2022-03-18 xuxuzhaozhao

SELECT  fra.FundsRequestAnswerID , utt.UserTaskID, fra.CreatedBy
FROM    FundsRequestAnswers fra
        LEFT JOIN WorkflowInstances AS wi ON fra.FundsRequestAnswerID = wi.ObjectID AND wi.ObjectType = \'FundsApply\'
        LEFT JOIN ( SELECT  ut.WorkflowInstanceID ,
                            MAX(ut.UserTaskID) AS UserTaskID
                    FROM    dbo.UserTasks ut
                    WHERE   ut.TaskID = \'1021218\'
                            AND ut.UserID = @UserID
                            AND ut.DeletedDate IS NULL
                    GROUP BY ut.WorkflowInstanceID
                  ) utt ON utt.WorkflowInstanceID = wi.WorkflowInstanceID
WHERE   fra.ProposedProjectID = 0 AND fra.FundsTypeCode = \'Verify\';