50 lines
951 B
Ruby
50 lines
951 B
Ruby
# frozen_string_literal: true
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module Arel # :nodoc: all
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###
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# Methods for creating various nodes
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module FactoryMethods
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def create_true
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Arel::Nodes::True.new
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end
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def create_false
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Arel::Nodes::False.new
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end
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def create_table_alias(relation, name)
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Nodes::TableAlias.new(relation, name)
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end
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def create_join(to, constraint = nil, klass = Nodes::InnerJoin)
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klass.new(to, constraint)
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end
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def create_string_join(to)
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create_join to, nil, Nodes::StringJoin
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end
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def create_and(clauses)
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Nodes::And.new clauses
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end
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def create_on(expr)
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Nodes::On.new expr
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end
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def grouping(expr)
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Nodes::Grouping.new expr
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end
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###
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# Create a LOWER() function
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def lower(column)
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Nodes::NamedFunction.new "LOWER", [Nodes.build_quoted(column)]
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end
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def coalesce(*exprs)
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Nodes::NamedFunction.new "COALESCE", exprs
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end
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end
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end
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