org.apache.paimon.format.parquet.reader

Interface ColumnReader<VECTOR extends WritableColumnVector>

All Known Implementing Classes:

AbstractColumnReader, BooleanColumnReader, ByteColumnReader, BytesColumnReader, DoubleColumnReader, FixedLenBytesColumnReader, FloatColumnReader, IntColumnReader, LongColumnReader, NestedColumnReader, NestedPrimitiveColumnReader, RowColumnReader, ShortColumnReader, TimestampColumnReader

public interface ColumnReader<VECTOR extends WritableColumnVector>

Read a batch of records for a column to WritableColumnVector from parquet data file.

Method Summary

Modifier and Type	Method and Description
void	readToVector(int readNumber, VECTOR vector)

Method Detail

readToVector

void readToVector(int readNumber,
                  VECTOR vector)
           throws IOException

Parameters:

readNumber - number to read.

vector - vector to write.

Throws:

IOException