Class: ArelExtensions::Nodes::Blank

Inherits:

Arel::Nodes::Unary

• Object
• Arel::Nodes::Unary
• ArelExtensions::Nodes::Blank

Includes:

BooleanFunctions

Defined in:

lib/arel_extensions/nodes/blank.rb

Constant Summary

RETURN_TYPE =

:boolean

Instance Method Summary

• #initialize(expr) ⇒ Blank constructor

  A new instance of Blank.

Methods included from BooleanFunctions

#and, #or, #then, #⋀, #⋁

Methods inherited from Arel::Nodes::Unary

#eql?

Methods included from Predications

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

Methods included from Comparators

#!~, #<, #<=, #=~, #>, #>=

Methods included from MathFunctions

#*, #/, #abs, #ceil, #floor, #format_number, #log10, #pow, #power, #round, #std, #sum, #variance

Methods included from Attributes

#!=, #==

Methods included from StringFunctions

#&, #[], #ai_collate, #ai_imatches, #ai_matches, #blank, #byte_length, #char_length, #ci_collate, #collate, #concat, #downcase, #edit_distance, #group_concat, #idoes_not_match, #idoes_not_match_all, #idoes_not_match_any, #imatches, #imatches_all, #imatches_any, #length, #levenshtein_distance, #locate, #ltrim, #md5, #not_blank, #regexp_replace, #repeat, #replace, #rtrim, #smatches, #soundex, #substring, #trim, #upcase

Methods included from ArelExtensions::NullFunctions

#coalesce, #coalesce_blank, #if_present, #is_not_null, #is_null

Methods included from DateDuration

#day, #format, #format_date, #hour, #minute, #month, #second, #wday, #week, #year

Methods included from Math

#+, #-

Methods included from Aliases

#xas

Constructor Details

#initialize(expr) ⇒ Blank

Returns a new instance of Blank.

# File 'lib/arel_extensions/nodes/blank.rb', line 9

def initialize expr
  super expr.first
end