Class: ActiveRecord::Refined::AST::Extract

Inherits:

Node

• Object
• Node
• ActiveRecord::Refined::AST::Extract

Includes:

Arithmetics, Predications

Defined in:

lib/active_record/refined/ast.rb

Overview

EXTRACT(field FROM expr). The field is grammar rather than a value -- a keyword the adapter reads bare -- so it has to be a plain name, which Arel upcases on the way out.

Instance Method Summary

• #initialize(field, operand) ⇒ Extract constructor

  A new instance of Extract.

Methods included from Arithmetics

#&, #*, #+, #-, #/, #<<, #>>, #^, #bitwise_and, #bitwise_not, #bitwise_or, #bitwise_xor, #|, #~

Methods included from Predications

#!=, #!~, #<, #<=, #==, #=~, #>, #>=, #between?, #bury, #casecmp?, #contains?, #dig, #dig_text, #distinct_from?, #end_with?, #except, #false?, #ilike?, #in?, #include?, #intersect?, #key?, #keys, #like?, #member?, #not_between?, #not_distinct_from?, #not_false?, #not_ilike?, #not_in?, #not_like?, #not_null?, #not_true?, #null?, #start_with?, #subset?, #superset?, #true?, #when

Methods inherited from Node

#as, #asc, #collate, #desc

Constructor Details

#initialize(field, operand) ⇒ Extract

Returns a new instance of Extract.

# File 'lib/active_record/refined/ast.rb', line 2175

def initialize(field, operand)
  @field = AST.check_name(field, ALIAS_NAME, "extract field")
  @operand = operand
end