Class: Daru::Core::MergeFrame
Defined Under Namespace
Classes: NilSorter
Instance Method Summary collapse
-
#initialize(left_df, right_df, opts = {}) ⇒ MergeFrame
constructor
A new instance of MergeFrame.
- #join ⇒ Object
Constructor Details
#initialize(left_df, right_df, opts = {}) ⇒ MergeFrame
Returns a new instance of MergeFrame.
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# File 'lib/daru/core/merge.rb', line 20 def initialize left_df, right_df, opts={} init_opts(opts) validate_on!(left_df, right_df) key_sanitizer = ->(h) { sanitize_merge_keys(h.values_at(*on)) } @left = df_to_a(left_df) @left.sort_by!(&key_sanitizer) @left_key_values = @left.map(&key_sanitizer) @right = df_to_a(right_df) @right.sort_by!(&key_sanitizer) @right_key_values = @right.map(&key_sanitizer) @left_keys, @right_keys = merge_keys(left_df, right_df, on) end |