class ArelExtensions::Nodes::Cast
Attributes
as_attr[RW]
Public Class Methods
new(expr)
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Calls superclass method
# File lib/arel_extensions/nodes/cast.rb, line 8 def initialize expr @as_attr = expr[1] case expr[1] when :int, 'bigint', 'int', 'smallint', 'tinyint', 'bit' @return_type = :int when :float, :decimal, 'decimal', 'numeric', 'money', 'smallmoney', 'float', 'real' @return_type = :decimal when :number @return_type = :number when 'char', 'varchar', 'nchar', 'nvarchar' @return_type = :string when 'text', :text, 'ntext', :ntext @as_attr = expr[1].to_sym @return_type = :string when :datetime, 'datetime', 'smalldatetime' @return_type = :datetime when :time, 'time' @return_type = :time when :date, 'date' @return_type = :date when :binary, 'binary', 'varbinary', 'image' @return_type = :binary else @return_type = :string @as_attr = :string end tab = [convert_to_node(expr.first)] return super(tab) end
Public Instance Methods
+(other)
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# File lib/arel_extensions/nodes/cast.rb, line 38 def +(other) case @return_type when :string return ArelExtensions::Nodes::Concat.new [self, other] when :ruby_time ArelExtensions::Nodes::DateAdd.new [self, other] else Arel.grouping(Arel::Nodes::Addition.new self, other) end end
return_type()
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# File lib/arel_extensions/nodes/cast.rb, line 49 def return_type @return_type end