create function f_checkIP(@IP varchar(20),@IP_ST varchar(20),@IP_ED varchar(20))
returns bit as begin
select @IP = right(\'00\'+ParseName(@IP,4),3)+\'.\'+
right(\'00\'+ParseName(@IP,3),3)+\'.\'+
right(\'00\'+ParseName(@IP,2),3)+\'.\'+
right(\'00\'+ParseName(@IP,1),3),
@IP_ST = right(\'00\'+ParseName(@IP_ST,4),3)+\'.\'+
right(\'00\'+ParseName(@IP_ST,3),3)+\'.\'+
right(\'00\'+ParseName(@IP_ST,2),3)+\'.\'+
right(\'00\'+ParseName(@IP_ST,1),3),
@IP_ED = right(\'00\'+ParseName(@IP_ED,4),3)+\'.\'+
right(\'00\'+ParseName(@IP_ED,3),3)+\'.\'+
right(\'00\'+ParseName(@IP_ED,2),3)+\'.\'+
right(\'00\'+ParseName(@IP_ED,1),3)
if (@IP between @IP_ST and @IP_ED)
return 1
return 0
end
go
select dbo.f_checkIP(\'4.208.48.215\',\'4.43.69.96\',\'4.208.48.255\')
select dbo.f_checkIP(\'4.43.69.95\' ,\'4.43.69.96\',\'4.208.48.255\')
drop function f_checkIPgo
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