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21 lines
542 B
Ruby
21 lines
542 B
Ruby
module Arel
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module Nodes
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class Grouping < Arel::Nodes::Node
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attr_accessor :expr
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def initialize expression
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@expr = expression
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end
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# FIXME: this method should go away. I don't like people calling
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# to_sql on non-head nodes. This forces us to walk the AST until we
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# can find a node that has a "relation" member.
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#
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# Maybe we should just use `Table.engine`? :'(
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def to_sql
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viz = Visitors::ToSql.new Table.engine
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viz.accept self
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end
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end
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end
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end
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