迁移历史sql数据

--select * into Trade2018 from Aozzo_ODS..Trade t1
--where t1.Created<'2019-01-01'
--创建索引
--create index ix_Trade2018_created on Trade2018 (Created)

DECLARE @totalPage int --总页数
DECLARE @pageSize INT=1000
DECLARE @pageIndex INT=1

--var totalPage = (total + pageSize - 1)/pageSize;
select @totalPage=(count(1)+@pageSize-1)/@pageSize from Trade2018
print @totalPage

while (@pageIndex<=@totalPage)
begin

delete  Aozzo_ODS..Trade where tid in (            
SELECT tid FROM
(
    SELECT ROW_NUMBER() OVER (ORDER BY Created ASC) AS 'RowNumber', * FROM dbo.Trade2018
) AS tb
WHERE RowNumber BETWEEN ( ( ( @pageIndex - 1 ) * @pageSize ) + 1 ) AND ( @pageIndex * @pageSize )
)

SET @pageIndex = @pageIndex+1
end



/*
select t1.* into TradeItem2018 from Aozzo_ODS..TradeItem t1
where t1.PayTime<'2019-01-01'

create index ix_TradeItem2018_created on TradeItem2018 (paytime)


select   t1.*  into  TradeItem2018_temp from Aozzo_ODS..TradeItem t1
inner join trade2018 t2
on t1.Tid=t2.tid


*/