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23 lines
428 B
Ruby
23 lines
428 B
Ruby
module Arel
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module Nodes
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class Function
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include Arel::Expression
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attr_accessor :expressions, :alias
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def initialize expr, aliaz = nil
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@expressions = expr
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@alias = aliaz
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end
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def as aliaz
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self.alias = SqlLiteral.new(aliaz)
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self
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end
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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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