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Add multi-key join capability #214

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wesm opened this issue Oct 11, 2011 · 1 comment

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wesm commented Oct 11, 2011

API would look like

a.join(b, on=['foo', 'bar'])

where 'foo', and 'bar' are columns in a and b is indexed by a MultiIndex with 2 levels

I am already working on this...just here so I don't forget

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wesm commented Oct 11, 2011

implemented here, could probably use a bit more testing on heterogeneous dataframes but should be covered by the single-key joins

wesm closed this as completed

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