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tcovert/jointest.jl

Created June 10, 2016 15:30
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jointest.jl
using DataFrames
df1 = DataFrame(v1 = rand(Int16, 10000),
v2 = rand(Int8, 10000),
v3 = randn(10000))
df2 = DataFrame(v1 = rand(Int16, 10000),
v2 = rand(Int8, 10000),
v4 = randn(10000))
# this works
df = join(df1, df2, on = [:v1, :v2], kind = :inner)
# this doesn't
pool!(df1, :v1)
pool!(df1, :v2)
pool!(df2, :v1)
pool!(df2, :v2)
df = join(df1, df2, on = [:v1, :v2], kind = :inner)
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