PARQUET-2297: Skip delta problem check

Kyligence · May 9, 2023 · 728c1cb · 728c1cb
1 parent 5b62b43
commit 728c1cb
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetRecordReader.java b/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetRecordReader.java
@@ -173,7 +173,10 @@ private void initializeInternalReader(ParquetInputSplit split, Configuration con
       }
     }
 
-    if (!reader.getRowGroups().isEmpty()) {
+    if (!reader.getRowGroups().isEmpty() &&
+      // Encrypted files (parquet-mr 1.12+) can't have the delta encoding problem (resolved in parquet-mr 1.8)
+      reader.getFileMetaData().getEncryptionType() != FileMetaData.EncryptionType.ENCRYPTED_FOOTER &&
+      reader.getFileMetaData().getEncryptionType() != FileMetaData.EncryptionType.PLAINTEXT_FOOTER) {
       checkDeltaByteArrayProblem(
           reader.getFooter().getFileMetaData(), configuration,
           reader.getRowGroups().get(0));