Github user QiangCai commented on a diff in the pull request: https://github.com/apache/carbondata/pull/3001#discussion_r245915288 --- Diff: integration/presto/src/main/java/org/apache/carbondata/presto/CarbondataPageSourceProvider.java --- @@ -79,13 +80,31 @@ @Override public ConnectorPageSource createPageSource(ConnectorTransactionHandle transactionHandle, ConnectorSession session, ConnectorSplit split, List<ColumnHandle> columns) { - this.queryId = ((CarbondataSplit)split).getQueryId(); + CarbondataSplit carbondataSplit = (CarbondataSplit) split; --- End diff -- already reverted the modification. but it is difficult to reuse PrestoCarbonVectorizedRecordReader for streaming file.
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