Class: ConceptQL::Nodes::Except

Inherits:
BinaryOperatorNode show all
Defined in:
lib/conceptql/nodes/except.rb

Constant Summary

Constants inherited from Node

Node::KNOWN_TYPES

Instance Attribute Summary

Attributes inherited from Node

#values

Instance Method Summary collapse

Methods inherited from BinaryOperatorNode

#children, #display_name, #graph_it

Methods inherited from Node

#arguments, #children, #columns, #date_columns, #evaluate, #initialize, #select_it, #stream, #types

Constructor Details

This class inherits a constructor from ConceptQL::Nodes::Node

Instance Method Details

#query(db) ⇒ Object 



6
7
8
 
# File 'lib/conceptql/nodes/except.rb', line 6

def query(db)
  left.evaluate(db).except(right.evaluate(db))
end