in backup-core/src/main/java/org/apache/iotdb/backup/core/service/CsvFileValidationService.java [204:240]
private void getTimeseries(
CsvFileTransParser parser,
CSVRecord record,
List<String> timeseries,
Map<String, String> headMap) {
List<String> headerNames = parser.csvParser.getHeaderNames();
HashMap<String, TSDataType> headerTypeMap = new HashMap<>();
HashMap<String, String> headerNameMap = new HashMap<>();
parser.parseHeaders(headerNames, headerTypeMap, headerNameMap);
String timeSerie = null;
if (!headerNames.contains("Device")) {
String s = headerNameMap.get(headerNames.get(1));
timeSerie = s.substring(0, s.lastIndexOf("."));
}
if (headerNames.contains("Device")) {
timeSerie = record.get("Device") + ".";
}
for (String headerNameFull : headerNames) {
String headerName = headerNameMap.get(headerNameFull);
if (headerNameFull.equals("Device")) {
continue;
}
if (!headerNameFull.equals("Time")) {
String buff =
timeSerie
+ headerName.substring(
headerName.lastIndexOf(".") == -1 ? 0 : headerName.lastIndexOf("."),
headerName.length());
timeseries.add(buff);
headMap.put(buff, headerNameFull);
}
}
}