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# Rename Rename attributes ## Signature rename(operand: Relation, renaming: Renaming) -> Relation ## Examples rename(suppliers, :sid => :supplier_id, :city => :lives_in) ## Description Computes the same relation as `operand` expect that some attributes have been renamed. ## Implementation notes As of current version, renamings can only be expressed through a Hash mapping input to output attribute names. Other ways of specifying renamining will be added in future versions, such as prefixing, postfixing, renaming through a Proc, etc. Any patch towards these improvements is welcome.
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6 entries across 6 versions & 1 rubygems