code: public int updateRaw(DatabaseConnection connection, String statement, String[] arguments) throws SQLException {
  		logger.debug("running raw update statement: {}", statement);
  		if (arguments.length > 0) {
  			// need to do the (Object) cast to force args to be a single object
  			logger.trace("update arguments: {}", (Object) arguments);
  		}
  		CompiledStatement compiledStatement = connection.compileStatement(statement, StatementType.UPDATE, noFieldTypes,
  				DatabaseConnection.DEFAULT_RESULT_FLAGS, false);
  		try {
  			assignStatementArguments(compiledStatement, arguments);
  			return compiledStatement.runUpdate();
  		} finally {
  			IOUtils.closeThrowSqlException(compiledStatement, "compiled statement");
  		}
  	}
docs: Return the number of rows affected.