[datatable-help] Running latest SVN version gives me too much spam in verbose mode

[Matthew Dowle]

Good point. Ok switched off now and committed. Will reinstate another
time if get() is actually called by j. 

On Tue, 2012-05-29 at 15:43 -0400, Chris Neff wrote:
> I run with verbose comments from data.table, and I don't mind some
> spam, but when I use := I get:
> 
> 
> Detected that j uses these columns (the rest, if any, are ignored for
> efficiency):
> No columns have been detected as used by j. So no column variables
> will be available to j. This will be correct in queries such as
> DT[i,V1:=i] and DT[,groupsize:=.N,by=colA], but may be confusing you
> if you wrote DT[,get('colB')+1,by=colA]. Set .SDcols=TRUE and all
> columns will be available to j, even using get(), but this is not
> recommended and may be very slower. Use eval(quote()) or paste0()
> idioms to construct queries that dynamically select columns.
> 
> 
> I am using the "correct" type of query.  Is there a way that warning
> can just not print out on those?
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