class Neo4j::Cypher::RootClause
Public Class Methods
new()
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Calls superclass method
Neo4j::Cypher::Clause::new
# File lib/neo4j-cypher/root.rb 6 def initialize 7 super(ClauseList.new, :root, EvalContext) 8 end
Public Instance Methods
create_returns(last_result)
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# File lib/neo4j-cypher/root.rb 23 def create_returns(last_result) 24 if last_result.is_a?(Array) 25 eval_context.ret(*last_result) 26 elsif last_result.nil? 27 eval_context.ret(clause_list.last.eval_context) unless clause_list.empty? 28 else 29 eval_context.ret(last_result) 30 end 31 end
execute(args, &cypher_dsl)
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# File lib/neo4j-cypher/root.rb 10 def execute(args, &cypher_dsl) 11 result = eval_context.instance_exec(*args, &cypher_dsl) 12 13 if ![Array, Symbol].include?(result.class) 14 return if clause_list.include?(:return) 15 return if clause_list.include?(:with) 16 return if clause_list.include?(:delete) 17 return if clause_list.include?(:set) 18 return if clause_list.include?(:remove) 19 end 20 create_returns(result) 21 end
return_names()
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# File lib/neo4j-cypher/root.rb 37 def return_names 38 ret = clause_list.return_clause 39 ret ? ret.return_items.map { |ri| (ri.alias_name || ri.return_value).to_sym } : [] 40 end
return_value()
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# File lib/neo4j-cypher/root.rb 33 def return_value 34 clause_list.to_cypher 35 end