Is there a preferred way to order a varchar column numerically (for those
that are numeric), then alphanumericall y for all others?
I've tried:
ORDER BY CASE WHEN IsNumeric(<colu mn_name>) = 1 THEN CONVERT(Float,
<column_name> ) ELSE 999999999 END;
and
ORDER BY CASE WHEN IsNumeric(<colu mn_name>) = 1 THEN 0 ELSE 1 END, CASE WHEN
IsNumeric(<colu mn_name>) = 1 THEN CONVERT(Float, <column_name> ) ELSE 999999
END, <column_name> ;
Neither of these however give the desired results.
Any ideas?
Thanks,
Frank 4 4765
It would be useful to see some sample data - are your 'numeric' data
integers, decimals, or floats; are there negative numbers in the data,
etc.? Assuming that your data is made up of either positive integers or
strings, then this should work:
select *
from dbo.MyTable
order by case when MyColumn like '%[^0-9]%' then 1 else 0 end, MyColumn
ISNUMERIC() might work, but it considers so many things to be numbers
that you may not get the results you want:
select *
from dbo.MyTable
order by isnumeric(MyCol umn), col1
If this doesn't help, then please post DDL and sample data: http://www.aspfaq.com/etiquette.asp?id=5006
Simon
Assuming your numerics are just positive integers, try:
SELECT col
FROM T1
ORDER BY
CASE WHEN col LIKE '%[^0-9]%'
THEN 9E99
ELSE CAST(col AS INTEGER) END
, col
--
David Portas
SQL Server MVP
--
"Simon Hayes" <sq*@hayes.ch > wrote in message
news:11******** **************@ o13g2000cwo.goo glegroups.com.. . It would be useful to see some sample data - are your 'numeric' data integers, decimals, or floats; are there negative numbers in the data, etc.? Assuming that your data is made up of either positive integers or strings, then this should work:
select * from dbo.MyTable order by case when MyColumn like '%[^0-9]%' then 1 else 0 end, MyColumn
Thank you Simon, the above syntax worked like a charm!
Frank
ISNUMERIC() might work, but it considers so many things to be numbers that you may not get the results you want:
select * from dbo.MyTable order by isnumeric(MyCol umn), col1
If this doesn't help, then please post DDL and sample data:
http://www.aspfaq.com/etiquette.asp?id=5006
Simon
"David Portas" <RE************ *************** *@acm.org> wrote in message
news:11******** **************@ f14g2000cwb.goo glegroups.com.. . Assuming your numerics are just positive integers, try:
SELECT col FROM T1 ORDER BY CASE WHEN col LIKE '%[^0-9]%' THEN 9E99 ELSE CAST(col AS INTEGER) END , col
-- David Portas SQL Server MVP --
Thanks David, this one actually works better. If I use:
order by case when <mycolumn> like '%[^0-9]%' then 1 else 0 end, <mycolumn>
It does not correctly order the integers (i.e. 1,10,11,12,2,3, 4,...), but
does correctly order the alphnumerics. Using your suggestion, it works for
both cases.
Frank This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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