select LN(100)
select LN(1.5)
select LN(100)
select LN(100) + 1
select LN(100) - 1
select LN(100) * 1
select LN(100) / 1
select LN(100) from ts_4893.meters limit 5
select LN(100) + 1 from ts_4893.meters limit 1
select LN(100) - 1 from ts_4893.meters limit 1
select LN(100) * 2 from ts_4893.meters limit 1
select LN(100) / 2 from ts_4893.meters limit 1
select LN(2) + LN(100) from ts_4893.meters limit 1
select LN(2) - LN(100) from ts_4893.meters limit 1
select LN(2) * LN(100) from ts_4893.meters limit 1
select LN(2) / LN(100) from ts_4893.meters limit 1
select LN(100) + id from ts_4893.meters order by ts limit 5
select LN(id + 1) + id from ts_4893.meters order by ts limit 5
select ln(null)
select ln(0)
select ln(-5)
select abs(LN(10))
select pow(LN(10), 2)
select sqrt(LN(10))
select cast(LN(10) as int)
select LN(sqrt(id) + 1) from ts_4893.meters order by ts limit 5
select LN(LN(LN(LN(10000))))
select LN(EXP(2))
select ln(10)
select ln(pi())
select ln(current) from ts_4893.d0 order by ts limit 10
select ln(current) from ts_4893.meters order by ts limit 10
select ln(1)
select ln(20)
select ln(100)
select ln(99999999999999)
select ln(0.1)
select ln(2.718)
select ln(exp(1))
select ln(voltage) from ts_4893.meters where voltage > 0 limit 1
select ln(current) from ts_4893.meters where current > 0 limit 1
select ln(phase) from ts_4893.meters where phase > 0 limit 1
select ln(exp(voltage)) from ts_4893.meters where voltage > 0 limit 1
select ln(abs(current)) from ts_4893.meters where current != 0 limit 1
select ln(sqrt(phase)) from ts_4893.meters where phase >= 0 limit 1
select ln(log(current)) from ts_4893.meters where current > 1 limit 1
