Class: JDBCHelper::SQL::NotNullExpression

Inherits:
Expression
  • Object
show all
Defined in:
lib/jdbc-helper/sql/expression.rb

Overview

Since:

  • 0.7.0

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Expression

#==, #eql?, #hash

Constructor Details

#initialize ⇒ NotNullExpression

Returns a new instance of NotNullExpression.

Since:

  • 0.7.0



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# File 'lib/jdbc-helper/sql/expression.rb', line 116

def initialize
end

Class Method Details

.singleton ⇒ Object

Since:

  • 0.7.0



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# File 'lib/jdbc-helper/sql/expression.rb', line 112

def self.singleton
  @@singleton ||= NotNullExpression.new
end

Instance Method Details

#to_bind ⇒ Object

Since:

  • 0.7.0



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# File 'lib/jdbc-helper/sql/expression.rb', line 123

def to_bind
  ["is not null", []]
end

#to_s ⇒ Object

Since:

  • 0.7.0



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# File 'lib/jdbc-helper/sql/expression.rb', line 119

def to_s
  "is not null"
end