Describe the bug, including details regarding any error messages, version, and platform.
When trying to use MessageColumnIO to get a record reader, the following error occurs:
Exception in thread "main" java.lang.UnsupportedOperationException
at org.apache.parquet.column.values.ValuesReader.readInteger(ValuesReader.java:178)
at org.apache.parquet.column.impl.ColumnReaderBase$ValuesReaderIntIterator.nextInt(ColumnReaderBase.java:830)
at org.apache.parquet.column.impl.ColumnReaderBase.checkRead(ColumnReaderBase.java:663)
at org.apache.parquet.column.impl.ColumnReaderBase.consume(ColumnReaderBase.java:801)
at org.apache.parquet.column.impl.ColumnReaderImpl.consume(ColumnReaderImpl.java:30)
at org.apache.parquet.column.impl.ColumnReaderImpl.<init>(ColumnReaderImpl.java:43)
at org.apache.parquet.column.impl.ColumnReadStoreImpl.getColumnReader(ColumnReadStoreImpl.java:80)
at org.apache.parquet.io.RecordReaderImplementation.<init>(RecordReaderImplementation.java:282)
at org.apache.parquet.io.MessageColumnIO$1.visit(MessageColumnIO.java:141)
at org.apache.parquet.io.MessageColumnIO$1.visit(MessageColumnIO.java:105)
at org.apache.parquet.filter2.compat.FilterCompat$NoOpFilter.accept(FilterCompat.java:180)
at org.apache.parquet.io.MessageColumnIO.getRecordReader(MessageColumnIO.java:105)
I expected that this would work. Pyarrow for example can read the file.
Describe the bug, including details regarding any error messages, version, and platform.
When trying to use
MessageColumnIO
to get a record reader, the following error occurs:I expected that this would work. Pyarrow for example can read the file.
Sample file can be found here:
mtcars_np.zip
Nanoparquet can be found here:
https://github.com/r-lib/nanoparquet
Version: 1.14.3 Platform: Linux
Component(s)
Core