30 lines
431 B
Ruby
30 lines
431 B
Ruby
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# frozen_string_literal: true
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module Arel
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module Expressions
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def count distinct = false
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Nodes::Count.new [self], distinct
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end
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def sum
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Nodes::Sum.new [self]
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end
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def maximum
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Nodes::Max.new [self]
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end
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def minimum
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Nodes::Min.new [self]
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end
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def average
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Nodes::Avg.new [self]
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end
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def extract field
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Nodes::Extract.new [self], field
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end
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end
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end
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