alter view dbo.View_HJGL_WeldingTask as
    SELECT T.WeldTaskId,
           T.WeldJointId,
           T.CoverWelderId,
           T.BackingWelderId,
           cov.WelderCode                                                                             AS CoverWelderCode,
           back.WelderCode                                                                            AS BackingWelderCode,
           case when jot.JointAttribute is not null then jot.JointAttribute else T.JointAttribute end as JointAttribute,
           T.WeldingMode,
           T.ProjectId,
           T.UnitWorkId,
           T.UnitId,
           T.TaskDate,
           T.Tabler,
           T.TableDate,
           jot.WeldJointCode,
           jot.Dia,
           jot.DNDia,
           jot.Thickness,
           jot.Size,
           jot.WeldingLocationId,
           jot.Specification,
           CASE WHEN jot.WeldingDailyId IS NULL THEN '·ٌ' ELSE 'تا' END                               AS IsWelding,
           P.PipelineCode,
           p.PipelineId,
           B.WeldTypeCode,
           M.WeldingMethodCode,
           L.WeldingLocationCode,
           t.CanWelderCode,
           t.CanWelderId,
           rod.ConsumablesName                                                                        AS WeldingRodCode,
           T.CanWeldingRodName,
           T.CanWeldingWireName,
           wire.ConsumablesName                                                                       AS WeldingWireCode,
           jot.WeldingDailyId,
           p.PipeArea,
           mater.MaterialCode,
           (case
                when charindex('/', jot.WeldJointCode) > 0
                    then RIGHT(jot.WeldJointCode, CHARINDEX('/', REVERSE(jot.WeldJointCode)) - 1)
                else jot.WeldJointCode end)                                                           as WeldJointNum
    from HJGL_WeldTask T
             left join HJGL_WeldJoint jot on T.WeldJointId = jot.WeldJointId
             LEFT JOIN dbo.SitePerson_Person cov ON cov.PersonId = t.CoverWelderId and cov.ProjectId = t.ProjectId
             LEFT JOIN dbo.SitePerson_Person back ON back.PersonId = t.BackingWelderId and back.ProjectId = t.ProjectId
             LEFT join HJGL_Pipeline P on jot.PipelineId = P.PipelineId
             left join Base_WeldType B on jot.WeldTypeId = B.WeldTypeId
             LEFT join Base_WeldingMethod M on jot.WeldingMethodId = M.WeldingMethodId
             left join Base_WeldingLocation L on jot.WeldingLocationId = L.WeldingLocationId
             LEFT JOIN Base_Consumables AS wire ON wire.ConsumablesId = jot.WeldingWire
             LEFT JOIN Base_Consumables AS rod ON rod.ConsumablesId = jot.WeldingRod
             left join Base_Material as mater on jot.Material1Id = mater.MaterialId
go