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Arel::Expressions

Public Instance Methods

average() click to toggle source
    # File lib/arel/expressions.rb, line 19
19:     def average
20:       Nodes::Avg.new [self], Nodes::SqlLiteral.new('avg_id')
21:     end
count(distinct = false) click to toggle source
   # File lib/arel/expressions.rb, line 3
3:     def count distinct = false
4:       Nodes::Count.new [self], distinct
5:     end
maximum() click to toggle source
    # File lib/arel/expressions.rb, line 11
11:     def maximum
12:       Nodes::Max.new [self], Nodes::SqlLiteral.new('max_id')
13:     end
minimum() click to toggle source
    # File lib/arel/expressions.rb, line 15
15:     def minimum
16:       Nodes::Min.new [self], Nodes::SqlLiteral.new('min_id')
17:     end
sum() click to toggle source
   # File lib/arel/expressions.rb, line 7
7:     def sum
8:       Nodes::Sum.new [self], Nodes::SqlLiteral.new('sum_id')
9:     end

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