arithmetic operators dont support where condition include string

[huhongbo]

select net/10 from sysmon where time > now() -1m
is working
but
select net/10 from sysmon where time > now() -1m and hostname='demo' no result
and select net/10 from sysmon where hostname='demo' no result

[huhongbo]

I 'd like to know this is bug or not support ?
thx
in the mail list paul said this looks like a bug.

[huhongbo]

I check the log
[2014/05/15 21:30:03 CST] EROR Error in arithmetic computation: Invalid column name net
[2014/05/15 21:30:03 CST] EROR Invalid column name net

[jvshahid]

it's definitely a bug, we'll work on a fix in the next release

[huhongbo]

got it .thx

[jvshahid]

This is also true for join queries, e.g. select a.a / b.a from a inner join b where b.a <> 0 return unknown column a.a