docs: protected void appendExcludeSingleShardColumnEquals(StringBuilder sql, String[] columns, String separator, boolean updatePks, String excludeShardColumn) {
          int size = columns.length;
          for (int i = 0; i < size; i++) {
              // 如果是DRDS数据库, 并且存在拆分键 且 等于当前循环列, 跳过
              if(!updatePks && excludeShardColumn != null && columns[i].equals(excludeShardColumn)){
                  continue;
              }
              sql.append(" ").append(appendEscape(columns[i])).append(" = ").append("? ");
              if (i != size - 1) {
                  sql.append(separator);
              }
          }
      }