backup-core/src/main/java/org/apache/iotdb/backup/core/pipeline/in/source/InSqlDataSource.java [203:227]:
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        if (buffer.length() != 0) {
          // quote 引用处理
          if ('\"' == buffer.charAt(0) || '\'' == buffer.charAt(0)) {
            char pre = buffer.charAt(buffer.length() - 1);
            buffer.append(arr[i]);
            if (pre == buffer.charAt(0) && quoteCounter.length() == 0) {
              formatedSql.append(buffer);
              buffer.delete(0, buffer.length());
            }
          } else {
            // 特殊字符处理 iotdb 系统关键字处理
            if (i == arr.length - 1) {
              buffer.append(arr[i]);
            }
            if (!Pattern.matches(regx, buffer.toString())
                || IotDBKeyWords.validateKeyWords(buffer.toString().toUpperCase())
                || Pattern.matches(regxOnlyNum, buffer.toString())) {
              if (i == arr.length - 1) {
                if (buffer.toString().startsWith("`") && buffer.toString().endsWith("`")) {
                  formatedSql.append(buffer);
                } else {
                  formatedSql.append("`").append(buffer).append("`");
                }
              } else {
                if (buffer.toString().startsWith("`") && buffer.toString().endsWith("`")) {
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backup-core/src/main/java/org/apache/iotdb/backup/core/service/ExportPipelineService.java [626:650]:
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        if (buffer.length() != 0) {
          // quote 引用处理
          if ('\"' == buffer.charAt(0) || '\'' == buffer.charAt(0)) {
            char pre = buffer.charAt(buffer.length() - 1);
            buffer.append(arr[i]);
            if (pre == buffer.charAt(0) && quoteCounter.length() == 0) {
              formatedSql.append(buffer);
              buffer.delete(0, buffer.length());
            }
          } else {
            // 特殊字符处理 iotdb 系统关键字处理
            if (i == arr.length - 1) {
              buffer.append(arr[i]);
            }
            if (!Pattern.matches(regx, buffer.toString())
                || IotDBKeyWords.validateKeyWords(buffer.toString().toUpperCase())
                || Pattern.matches(regxOnlyNum, buffer.toString())) {
              if (i == arr.length - 1) {
                if (buffer.toString().startsWith("`") && buffer.toString().endsWith("`")) {
                  formatedSql.append(buffer);
                } else {
                  formatedSql.append("`").append(buffer).append("`");
                }
              } else {
                if (buffer.toString().startsWith("`") && buffer.toString().endsWith("`")) {
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