huaxingao commented on code in PR #395: URL: https://github.com/apache/datafusion-comet/pull/395#discussion_r1595033087
########## 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: Spark doesn't support uuid data type. Can we create a table with uuid column? -- 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