Class: ConceptQL::Operators::Concept

Inherits:
Operator
  • Object
show all
Defined in:
lib/conceptql/operators/concept.rb

Constant Summary

Constants inherited from Operator

Operator::COLUMNS

Instance Attribute Summary collapse

Attributes inherited from Operator

#arguments, #options, #values

Instance Method Summary collapse

Methods inherited from Operator

#columns, #evaluate, #initialize, #label, #select_it, #set_values, #sql, #stream, #types

Methods included from Metadatable

#allows_many_upstreams, #allows_one_upstream, #argument, #category, #desc, #humanized_class_name, #inherited, #just_class_name, #option, #predominant_types, #preferred_name, #reset_categories, #to_metadata, #types

Constructor Details

This class inherits a constructor from ConceptQL::Operators::Operator

Instance Attribute Details

#cql_query ⇒ Object (readonly)

Returns the value of attribute cql_query.



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# File 'lib/conceptql/operators/concept.rb', line 8

def cql_query
  @cql_query
end

Instance Method Details

#build_temp_tables(db) ⇒ Object 



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# File 'lib/conceptql/operators/concept.rb', line 33

def build_temp_tables(db)
  set_cql_query(db)
  super
end

#ensure_temp_tables(db) ⇒ Object 



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# File 'lib/conceptql/operators/concept.rb', line 28

def ensure_temp_tables(db)
  set_cql_query(db)
  super
end

#graph_prep(db) ⇒ Object 



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# File 'lib/conceptql/operators/concept.rb', line 18

def graph_prep(db)
  set_cql_query(db)
  puts statement.inspect
  @arguments = [description(db)]
end

#print_prep(db) ⇒ Object 



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# File 'lib/conceptql/operators/concept.rb', line 24

def print_prep(db)
  set_cql_query(db)
end

#query(db) ⇒ Object 



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# File 'lib/conceptql/operators/concept.rb', line 9

def query(db)
  set_cql_query(db)
  db.from(cql_query.query.from_self)
end

#upstreams ⇒ Object 



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# File 'lib/conceptql/operators/concept.rb', line 14

def upstreams
  @upstreams ||= cql_query.operators
end