org.apache.hadoop.hive.ql.io.parquet.vector

Interface VectorizedColumnReader

All Known Implementing Classes:

BaseVectorizedColumnReader, VectorizedDummyColumnReader, VectorizedListColumnReader, VectorizedMapColumnReader, VectorizedPrimitiveColumnReader, VectorizedStructColumnReader

public interface VectorizedColumnReader

Method Summary

Modifier and Type	Method and Description
void	readBatch(int total, org.apache.hadoop.hive.ql.exec.vector.ColumnVector column, TypeInfo columnType) read records with specified size and type into the columnVector

Method Detail

readBatch

void readBatch(int total,
               org.apache.hadoop.hive.ql.exec.vector.ColumnVector column,
               TypeInfo columnType)
        throws IOException

read records with specified size and type into the columnVector

Parameters:

total - number of records to read into the column vector

column - column vector where the reader will read data into

columnType - the type of column vector

Throws:

IOException