viirya commented on code in PR #395: URL: https://github.com/apache/datafusion-comet/pull/395#discussion_r1603743733
########## common/src/main/java/org/apache/comet/vector/CometPlainVector.java: ########## @@ -111,7 +115,12 @@ public UTF8String getUTF8String(int rowId) { byte[] result = new byte[length]; Platform.copyMemory( null, valueBufferAddress + offset, result, Platform.BYTE_ARRAY_OFFSET, length); - return UTF8String.fromBytes(result); + + if (!isUuid) { + return UTF8String.fromBytes(result); + } else { + return UTF8String.fromString(convertToUuid(result).toString()); + } Review Comment: The failed one is Spark reads Parquet file using its data source. Can you try to read it with Comet? If Comet scan doesn't use `ParquetToSparkSchemaConverter`, I think we won't hit the above error? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For additional commands, e-mail: github-h...@datafusion.apache.org