日期:2014-05-18 浏览次数:20627 次
Select top 5 vol_ArcType,vol_QZH,Vol_DH,Vol_AJBT,Vol_YS,Vol_BGQX, ( case when charindex('-',Vol_Date)>0 then case when len( substring(Vol_Date,1,charindex('-',Vol_Date)-1))=4 then convert(datetime, substring(Vol_Date,1,charindex('-',Vol_Date)-1)+'.01.01',120) when len( substring(Vol_Date,1,charindex('-',Vol_Date)-1))=7 then convert(datetime, substring(Vol_Date,1,charindex('-',Vol_Date)-1)+'.01',120) else convert(datetime, substring(Vol_Date,1,charindex('-',Vol_Date)-1),120) when charindex('-',Vol_Date) <1 then case when len(Vol_Date)=4 then convert(datetime,Vol_Date+'.01.01',120) when len(Vol_Date)=7 then convert(datetime,Vol_Date+'.01',120) else convert(datetime,Vol_Date,120) end ) as Vol_BZQSRQ From Table
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这样试试 Select top 5 vol_ArcType,vol_QZH,Vol_DH,Vol_AJBT,Vol_YS,Vol_BGQX, ( case when (charindex('-',Vol_Date)>0) then case when len( substring(Vol_Date,1,charindex('-',Vol_Date)-1))=4 then convert(datetime, substring(Vol_Date,1,charindex('-',Vol_Date)-1)+'.01.01',120) when len( substring(Vol_Date,1,charindex('-',Vol_Date)-1))=7 then convert(datetime, substring(Vol_Date,1,charindex('-',Vol_Date)-1)+'.01',120) else convert(datetime, substring(Vol_Date,1,charindex('-',Vol_Date)-1),120) end when (charindex('-',Vol_Date) <1) then case when len(Vol_Date)=4 then convert(datetime,Vol_Date+'.01.01',120) when len(Vol_Date)=7 then convert(datetime,Vol_Date+'.01',120) else convert(datetime,Vol_Date,120) end end) as Vol_BZQSRQ From Table