Class: Neo4j::Core::QueryClauses::CreateClause

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

Direct Known Subclasses

CreateUniqueClause, MergeClause

Constant Summary

Constants included from CypherTranslator

CypherTranslator::SANITIZE_ESCAPED_REGEXP

Instance Attribute Summary

Attributes inherited from Clause

#params

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Clause

from_args, #initialize, #node_from_key_and_value, to_cypher, #value

Methods included from CypherTranslator

#cypher_prop_list, #escape_quotes, #escape_value, #sanitize_escape_sequences, sanitized_column_names, translate_response

Constructor Details

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

Class Method Details

.clause_string(clauses) ⇒ Object 



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# File 'lib/neo4j-core/query_clauses.rb', line 277

def clause_string(clauses)
  clauses.map(&:value).join(', ')
end

Instance Method Details

#from_hash(hash) ⇒ Object 



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# File 'lib/neo4j-core/query_clauses.rb', line 262

def from_hash(hash)
  if hash.values.any? {|value| value.is_a?(Hash) }
    hash.map do |key, value|
      from_key_and_value(key, value)
    end
  else
    "(#{attributes_string(hash)})"
  end
end

#from_key_and_value(key, value) ⇒ Object 



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# File 'lib/neo4j-core/query_clauses.rb', line 272

def from_key_and_value(key, value)
  self.node_from_key_and_value(key, value, prefer: :label)
end

#from_string(value) ⇒ Object 



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# File 'lib/neo4j-core/query_clauses.rb', line 254

def from_string(value)
  value
end

#from_symbol(value) ⇒ Object 



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# File 'lib/neo4j-core/query_clauses.rb', line 258

def from_symbol(value)
  "(:#{value})"
end