code: private static String initUpdateEmbeddedNodeQuery(EntityKeyMetadata entityKeyMetadata) {
  		StringBuilder queryBuilder = new StringBuilder( "MERGE " );
  		appendEntityNode( "owner", entityKeyMetadata, queryBuilder );
  		queryBuilder.append( " MERGE (owner)" );
  		return queryBuilder.toString();
  	}
docs: /*
  This is only the first part of the query, the one related to the owner of the embedded. We need to know the
  embedded columns to create the whole query. Example: MERGE (owner:ENTITY:Example {id: {0}}) MERGE (owner)