Class: NilClass

Inherits:

Object

• Object
• NilClass

Defined in:

lib/sequel/extensions/blank.rb,
lib/sequel/extensions/sql_expr.rb

Instance Method Summary

• #blank? ⇒ Boolean

  nil is always blank.

• #sql_expr ⇒ Object

  Returns a copy of the object wrapped in a Sequel::SQL::BooleanExpression, allowing easy use of Sequel’s DSL:.

Instance Method Details

#blank? ⇒ Boolean

nil is always blank

Returns:

• (Boolean)

# File 'lib/sequel/extensions/blank.rb', line 19

def blank?
  true
end

#sql_expr ⇒ Object

Returns a copy of the object wrapped in a Sequel::SQL::BooleanExpression, allowing easy use of Sequel’s DSL:

~nil.sql_expr  # NOT NULL

# File 'lib/sequel/extensions/sql_expr.rb', line 63

def sql_expr
  Sequel::SQL::BooleanExpression.new(:NOOP, self)
end