Class: Groonga::ExpressionBuildable::BinaryExpressionBuilder

Inherits:

ExpressionBuilder

• Object
• ExpressionBuilder
• Groonga::ExpressionBuildable::BinaryExpressionBuilder

Defined in:

lib/groonga/expression-builder.rb

Overview

:nodoc:

Direct Known Subclasses

EqualExpressionBuilder, GreaterEqualExpressionBuilder, GreaterExpressionBuilder, LessEqualExpressionBuilder, LessExpressionBuilder, MatchExpressionBuilder

Instance Method Summary

• #build(expression, variable) ⇒ Object
• #initialize(operation, column, value) ⇒ BinaryExpressionBuilder constructor

  A new instance of BinaryExpressionBuilder.

Methods inherited from ExpressionBuilder

#&, #|

Constructor Details

#initialize(operation, column, value) ⇒ BinaryExpressionBuilder

Returns a new instance of BinaryExpressionBuilder.

# File 'lib/groonga/expression-builder.rb', line 126

def initialize(operation, column, value)
  super()
  @operation = operation
  @default_column = column
  @value = value
end

Instance Method Details

#build(expression, variable) ⇒ Object

# File 'lib/groonga/expression-builder.rb', line 133

def build(expression, variable)
  expression.append_object(variable)
  if @default_column.is_a?(String)
    expression.append_constant(@default_column)
  else
    expression.append_object(@default_column)
  end
  expression.append_operation(Groonga::Operation::GET_VALUE, 2)
  expression.append_constant(@value)
  expression.append_operation(@operation, 2)
end