Class: ArelExtensions::Nodes::LevenshteinDistance

Inherits:

Function

• Object
• Arel::Nodes::Function
• Function
• ArelExtensions::Nodes::LevenshteinDistance

Defined in:

lib/arel_extensions/nodes/levenshtein_distance.rb

Constant Summary

RETURN_TYPE =

:number

Instance Method Summary

• #initialize(expr) ⇒ LevenshteinDistance constructor

  A new instance of LevenshteinDistance.

Methods inherited from Function

#!=, #==, #as, #convert_to_date_node, #convert_to_datetime_node, #convert_to_node, #convert_to_number, #convert_to_string_node, #expr, #left, #return_type, #right, #type_of_attribute

Methods included from Predications

#cast, #convert_to_node, #imatches, #in, #matches, #not_in, #when

Constructor Details

#initialize(expr) ⇒ LevenshteinDistance

Returns a new instance of LevenshteinDistance.

# File 'lib/arel_extensions/nodes/levenshtein_distance.rb', line 6

def initialize expr
  super [convert_to_node(expr.first), Arel::Nodes.build_quoted(expr[1])]
end