backup-core/src/main/java/org/apache/iotdb/backup/core/pipeline/in/source/InSqlDataSource.java [180:198]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    String regx = "^[\\w._:@#{}$\\u2E80-\\u9FFF\"\'*\\\\]+$";
    String regxOnlyNum = "^[0-9]+$";
    char[] arr = sql.toCharArray();
    StringBuilder formatedSql = new StringBuilder();
    StringBuilder buffer = new StringBuilder();
    StringBuilder quoteCounter = new StringBuilder();
    for (int i = 0; i < arr.length; i++) {
      if ('\\' == arr[i] || '\"' == arr[i] || '\'' == arr[i]) {
        if (quoteCounter.length() == 0) {
          quoteCounter.append(arr[i]);
        } else {
          char quote = quoteCounter.charAt(quoteCounter.length() - 1);
          if ("\\".equals(quote)) {
            quoteCounter.deleteCharAt(quoteCounter.length() - 1);
          }
        }
      } else {
        if (quoteCounter.length() != 0) {
          quoteCounter.delete(0, quoteCounter.length());
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



backup-core/src/main/java/org/apache/iotdb/backup/core/service/ExportPipelineService.java [603:621]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    String regx = "^[\\w._:@#{}$\\u2E80-\\u9FFF\"\'*\\\\]+$";
    String regxOnlyNum = "^[0-9]+$";
    char[] arr = sql.toCharArray();
    StringBuilder formatedSql = new StringBuilder();
    StringBuilder buffer = new StringBuilder();
    StringBuilder quoteCounter = new StringBuilder();
    for (int i = 0; i < arr.length; i++) {
      if ('\\' == arr[i] || '\"' == arr[i] || '\'' == arr[i]) {
        if (quoteCounter.length() == 0) {
          quoteCounter.append(arr[i]);
        } else {
          char quote = quoteCounter.charAt(quoteCounter.length() - 1);
          if ("\\".equals(quote)) {
            quoteCounter.deleteCharAt(quoteCounter.length() - 1);
          }
        }
      } else {
        if (quoteCounter.length() != 0) {
          quoteCounter.delete(0, quoteCounter.length());
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -