Process multi-row data with cursor or without cursor[利用游标或者非游标处理多行数据]

Implement functionality using Cusor

/*

decription:

import data from BomIntraplantRoute_Buckets of ofg_response_staging into

ds_in_bom_intraplant_route_bucket of OFG_SLV_DEV

created by: Winstion He on 2008/1/2

*/

create proc [dbo].[Pr_ToSolver_ds_in_bom_intraplant_route_bucket]

as

declare @BomIntraplantRouteId int

declare @BucketId int

declare @Yield float

declare @Tpt int

declare @Mfg float

--clear primitive data

if Exists(select * from OFG_SLV_DEV3.dbo.ds_in_bom_intraplant_route_bucket)

delete from OFG_SLV_DEV3.dbo.ds_in_bom_intraplant_route_bucket

declare c_BomIntraRoute_Buckets cursor for

select BomIntraplantRouteId,BucketId,Yield,Tpt,Mfg

from BomIntraplantRoute_Buckets

open c_BomIntraRoute_Buckets

fetch from c_BomIntraRoute_Buckets into @BomIntraplantRouteId,@BucketId,@Yield,@Tpt,@Mfg

while @@fetch_status=0 begin

--get bom_header_name,intraplant_route_name through @BomIntraplantRouteId

--from BomIntraplantRoute

declare @IntraplantRouteName varchar(128)

declare @BomId varchar(128)

select @BomId=A.BomId,@IntraplantRouteName=B.IntraplantRouteName

from BomIntraplantRoute as A

join IntraplantRoute as B

on A.IntraplantRouteId= B.IntraplantRouteId

where A.BomIntraplantRouteId=@BomIntraplantRouteId

--get bucketname based bucketid using proc

declare @bucketName varchar(6)

exec Pr_ToSolver_PopulateBucketName @BucketId,@bucketName output

--insert value to table

insert into OFG_SLV_DEV3.dbo.ds_in_bom_intraplant_route_bucket

(

bom_header_name,

bucket,

intraplant_route_name,

yield,

tpt,

mfg

)

values

(

@BomId,

@bucketName,

@IntraplantRouteName,

@Yield,

@Tpt,

@Mfg

)

if @@rowcount < 1 goto ErrorHandle

--next row

fetch from c_BomIntraRoute_Buckets into @BomIntraplantRouteId,@BucketId,@Yield,@Tpt,@Mfg

end

ErrorHandle:

print 'BUG!'

close c_BomIntraRoute_Buckets

deallocate c_BomIntraRoute_Buckets

return

implement functionality without using cursor

use ofg_response_staging

if object_id('Pr_ToSolver_ds_in_bom_intraplant_route_bucket') is not null

drop proc Pr_ToSolver_ds_in_bom_intraplant_route_bucket

go

create proc Pr_ToSolver_ds_in_bom_intraplant_route_bucket

as

if exists(select * from OFG_SLV_DEV3.dbo.ds_in_bom_intraplant_route_bucket)

delete from OFG_SLV_DEV3.dbo.ds_in_bom_intraplant_route_bucket

insert into OFG_SLV_DEV3.dbo.ds_in_bom_intraplant_route_bucket

(

bom_header_name

,bucket

,intraplant_route_name

,yield

,tpt

,mfg

)

select

bi.BomId

,ltrim(str(b.YearCode))+ case when b.WorkWeekCode <=9 then '0'+ ltrim(str(b.WorkWeekCode))

when b.WorkWeekCode >9 then ltrim(str(b.workWeekCode))

end as bucketname

,i.IntraplantRouteName

,birb.Yield

, birb.Tpt

,birb.Mfg

from

BomIntraplantRoute bi,

BomIntraplantRoute_Buckets birb,

IntraplantRoute i,

Bucket b

where

bi.BomIntraplantRouteId=birb.BomIntraplantRouteId

and

bi.IntraplantRouteId=i.IntraplantRouteId

and

birb.BucketId=b.BucketId

select

ltrim(str(b.YearCode))+ case when b.WorkWeekCode <=9 then '0'+ ltrim(str(b.WorkWeekCode))

when b.WorkWeekCode >9 then ltrim(str(b.workWeekCode))

end as bucketname

from Bucket b

go