docs: public static CallableStatement prepareCall(Connection conn, String sql, Object... params) throws SQLException {
  		Assert.notBlank(sql, "Sql String must be not blank!");
  
  		sql = sql.trim();
  		SqlLog.INSTASNCE.log(sql, params);
  		final CallableStatement call = conn.prepareCall(sql);
  		fillParams(call, params);
  		return call;
  	}