43 lines
869 B
Ruby
43 lines
869 B
Ruby
# frozen_string_literal: true
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module Arel
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class InsertManager < Arel::TreeManager
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def initialize
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super
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@ast = Nodes::InsertStatement.new
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end
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def into table
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@ast.relation = table
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self
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end
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def columns; @ast.columns end
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def values= val; @ast.values = val; end
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def select select
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@ast.select = select
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end
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def insert fields
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return if fields.empty?
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if String === fields
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@ast.values = Nodes::SqlLiteral.new(fields)
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else
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@ast.relation ||= fields.first.first.relation
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values = []
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fields.each do |column, value|
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@ast.columns << column
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values << value
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end
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@ast.values = create_values values, @ast.columns
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end
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end
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def create_values values, columns
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Nodes::Values.new values, columns
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end
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end
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end
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