tsql - Natural order by on period-delimited string in MSSQL server 2005 -


i've been working on producing period-delimited hierarchy of integers performs 'natural' order on select query. i've had go , query below touted solution decimal ordering:

select id tablenm order     case isnumeric(id + 'e0')          when 1 0          else 1      end,     id

however, i'm not technically working decimal in cases have limited success. please note, there may multiple levels in hierarchy - i've shown 3 in example brevity.

the sql above produces following output:

id 1 1.1 5 5.1 5.10 5.2 1.5.1 4.2.1 1.3.1 3.2.1

i need like:

id 1 1.1 1.3.1 1.5.1 3.2.1 4.2.1 5 5.1 5.2 5.10

thanks insight you're able give.

i try following answer https://stackoverflow.com/a/6541020/638400

note can't take credit answer - sql quite exceptional


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