Re: [PR] Load: auto detect TsFile's model (tree/table) [iotdb]

["DanielWang2035 (via GitHub)" <gi...@apache.org>]

DanielWang2035 commented on code in PR #14751:
URL: https://github.com/apache/iotdb/pull/14751#discussion_r1952262363


##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/analyze/load/LoadTsFileAnalyzer.java:
##########
@@ -175,10 +252,154 @@ protected boolean doAnalyzeFileByFile(IAnalysis analysis) {
     return true;
   }
 
-  protected abstract void analyzeSingleTsFile(final File tsFile)
-      throws IOException, AuthException, LoadAnalyzeException;
+  private void analyzeSingleTsFile(final File tsFile, int i)
+      throws IOException, AuthException, LoadAnalyzeException {
+    try (final TsFileSequenceReader reader = new TsFileSequenceReader(tsFile.getAbsolutePath())) {
+      // can be reused when constructing tsfile resource
+      final TsFileSequenceReaderTimeseriesMetadataIterator timeseriesMetadataIterator =
+          new TsFileSequenceReaderTimeseriesMetadataIterator(reader, true, 1);
+
+      // check if the tsfile is empty
+      if (!timeseriesMetadataIterator.hasNext()) {
+        throw new LoadEmptyFileException(tsFile.getAbsolutePath());
+      }
+
+      // check whether the encrypt type of the tsfile is supported
+      final EncryptParameter param = reader.getEncryptParam();
+      if (!Objects.equals(param.getType(), EncryptUtils.encryptParam.getType())
+          || !Arrays.equals(param.getKey(), EncryptUtils.encryptParam.getKey())) {
+        throw new SemanticException("The encryption way of the TsFile is not supported.");
+      }
+
+      // check whether the tsfile is tree-model or not
+      final Map<String, TableSchema> tableSchemaMap = reader.getTableSchemaMap();
+      final boolean isTableModelFile = Objects.nonNull(tableSchemaMap) && !tableSchemaMap.isEmpty();

Review Comment:
   gettableschema v3?



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