org.apache.paimon.format.parquet.reader

Class ParquetDataColumnReaderFactory

java.lang.Object

org.apache.paimon.format.parquet.reader.ParquetDataColumnReaderFactory

public final class ParquetDataColumnReaderFactory
extends Object

Parquet file has self-describing schema which may differ from the user required schema (e.g. schema evolution). This factory is used to retrieve user required typed data via corresponding reader which reads the underlying data. Part of the code is referred from Apache Hive.

Method Summary

Modifier and Type	Method and Description
static ParquetDataColumnReader	getDataColumnReaderByType(org.apache.parquet.column.values.ValuesReader realReader, boolean isUtcTimestamp)
static ParquetDataColumnReader	getDataColumnReaderByTypeOnDictionary(org.apache.parquet.column.Dictionary realReader, boolean isUtcTimestamp)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getDataColumnReaderByTypeOnDictionary

public static ParquetDataColumnReader getDataColumnReaderByTypeOnDictionary(org.apache.parquet.column.Dictionary realReader,
                                                                            boolean isUtcTimestamp)

getDataColumnReaderByType

public static ParquetDataColumnReader getDataColumnReaderByType(org.apache.parquet.column.values.ValuesReader realReader,
                                                                boolean isUtcTimestamp)