module Arel
Public Class Methods
duration(s, expr)
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# File lib/arel_extensions.rb, line 102 def self.duration s, expr ArelExtensions::Nodes::Duration.new(s.to_s+'i',expr) end
false()
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# File lib/arel_extensions.rb, line 110 def self.false Arel::Nodes::Equality.new(1,0) end
json(*expr)
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# File lib/arel_extensions.rb, line 90 def self.json *expr if expr.length == 1 ArelExtensions::Nodes::Json.new(expr.first) else ArelExtensions::Nodes::Json.new(expr) end end
rand()
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# File lib/arel_extensions.rb, line 82 def self.rand ArelExtensions::Nodes::Rand.new end
shorten(s)
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# File lib/arel_extensions.rb, line 86 def self.shorten s Base64.urlsafe_encode64(Digest::MD5.new.digest(s)).tr('=', '').tr('-', '_') end
true()
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# File lib/arel_extensions.rb, line 106 def self.true Arel::Nodes::Equality.new(1,1) end
tuple(*v)
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# File lib/arel_extensions.rb, line 114 def self.tuple *v tmp = Arel::Nodes::Grouping.new(nil) Arel::Nodes::Grouping.new(v.map{|e| tmp.convert_to_node(e)}) end
when(condition)
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# File lib/arel_extensions.rb, line 98 def self.when condition ArelExtensions::Nodes::Case.new.when(condition) end