LINQ inner joins and select all in Query.jl

[xiaodai]

@mkarikom

the structured query interface makes my blocks of ugly data-munging code into concise, (often re-useable) statements

I’d say between DataFrames.jl DataFramesMeta.jl Pipe.jl DataConvenience.jl (for it’s export of Lazy.jl’s @> macro), you have everything covered, if I am not wrong the above is just an inner join which is just a one-liner in DataFrames.jl

x = innerjoin(df1, df2, on = [:a => :c, :b => :e])