Class: ConceptQL::Nodes::Before

Inherits:

TemporalNode

• Object
• Node
• BinaryOperatorNode
• TemporalNode
• ConceptQL::Nodes::Before

Defined in:

lib/conceptql/nodes/before.rb

Constant Summary

Constants inherited from Node

Node::KNOWN_TYPES

Instance Attribute Summary

Attributes inherited from Node

#values

Instance Method Summary

• #where_clause ⇒ Object

Methods inherited from TemporalNode

#inclusive?, #query

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

#where_clause ⇒ Object

# File 'lib/conceptql/nodes/before.rb', line 6

def where_clause
  Proc.new { l__end_date < r__start_date }
end