Class: Neo4j::Core::QueryClauses::ReturnClause

Inherits:
Clause
  • Object
show all
Defined in:
lib/neo4j-core/query_clauses.rb

Constant Summary collapse

KEYWORD = 
'RETURN'

Constants inherited from Clause

Clause::AND, Clause::COMMA_SPACE, Clause::UNDERSCORE

Instance Attribute Summary

Attributes inherited from Clause

#arg, #options, #param_vars_added, #params

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Clause

#_nested_value_hash?, #_use_key_for_var?, #add_param, #add_params, #attributes_from_key_and_value, clause_color, clause_string, from_arg, from_args, #from_hash, #from_string, #initialize, keyword, keyword_downcase, #label_from_key_and_value, #node_from_key_and_value, paramaterize_key!, to_cypher, #value, #var_from_key_and_value

Constructor Details

This class inherits a constructor from Neo4j::Core::QueryClauses::Clause

Class Method Details

.clause_join ⇒ Object 



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# File 'lib/neo4j-core/query_clauses.rb', line 704

def clause_join
  Clause::COMMA_SPACE
end

.clause_strings(clauses) ⇒ Object 



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# File 'lib/neo4j-core/query_clauses.rb', line 700

def clause_strings(clauses)
  clauses.map!(&:value)
end

Instance Method Details

#from_key_and_value(key, value) ⇒ Object 



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# File 'lib/neo4j-core/query_clauses.rb', line 682

def from_key_and_value(key, value)
  case value
  when Array
    value.map do |v|
      from_key_and_value(key, v)
    end.join(Clause::COMMA_SPACE)
  when String, Symbol
    if value.to_sym == :neo_id
      "ID(#{key})"
    else
      "#{key}.#{value}"
    end
  else
    fail ArgError, value
  end
end

#from_symbol(value) ⇒ Object 



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# File 'lib/neo4j-core/query_clauses.rb', line 678

def from_symbol(value)
  from_string(value.to_s)
end