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

Class ParquetDataColumnReaderFactory.TypesFromStringPageReader

java.lang.Object

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

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

All Implemented Interfaces:

ParquetDataColumnReader

Enclosing class:

ParquetDataColumnReaderFactory

public static class ParquetDataColumnReaderFactory.TypesFromStringPageReader
extends ParquetDataColumnReaderFactory.DefaultParquetDataColumnReader

The reader who reads from the underlying UTF8 string.

Field Summary

Fields inherited from class org.apache.hadoop.hive.ql.io.parquet.vector.ParquetDataColumnReaderFactory.DefaultParquetDataColumnReader

dict, hiveDecimalWritable, hivePrecision, hiveScale, length, valuesReader

Constructor Summary

Constructors

Constructor and Description
TypesFromStringPageReader(org.apache.parquet.column.Dictionary dict, int length)
TypesFromStringPageReader(org.apache.parquet.column.values.ValuesReader realReader, int length)

Method Summary

Modifier and Type	Method and Description
byte[]	readChar()
byte[]	readChar(int id)
byte[]	readVarchar()
byte[]	readVarchar(int id)

Methods inherited from class org.apache.hadoop.hive.ql.io.parquet.vector.ParquetDataColumnReaderFactory.DefaultParquetDataColumnReader

convertToBytes, enforceMaxLength, getDictionary, getPaddedString, initFromPage, isValid, readBoolean, readBoolean, readBytes, readBytes, readDecimal, readDecimal, readDouble, readDouble, readFloat, readFloat, readInteger, readInteger, readLong, readLong, readSmallInt, readSmallInt, readString, readString, readTimestamp, readTimestamp, readTinyInt, readTinyInt, readValueDictionaryId, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

TypesFromStringPageReader

public TypesFromStringPageReader(org.apache.parquet.column.values.ValuesReader realReader,
                                 int length)

TypesFromStringPageReader

public TypesFromStringPageReader(org.apache.parquet.column.Dictionary dict,
                                 int length)

Method Detail

readVarchar

public byte[] readVarchar()

Specified by:

readVarchar in interface ParquetDataColumnReader

Overrides:

readVarchar in class ParquetDataColumnReaderFactory.DefaultParquetDataColumnReader

Returns:

the next Varchar from the page

readVarchar

public byte[] readVarchar(int id)

Specified by:

readVarchar in interface ParquetDataColumnReader

Overrides:

readVarchar in class ParquetDataColumnReaderFactory.DefaultParquetDataColumnReader

Parameters:

id - in dictionary

Returns:

the Varchar from the dictionary by id

readChar

public byte[] readChar()

Specified by:

readChar in interface ParquetDataColumnReader

Overrides:

readChar in class ParquetDataColumnReaderFactory.DefaultParquetDataColumnReader

Returns:

the next Char from the page

readChar

public byte[] readChar(int id)

Specified by:

readChar in interface ParquetDataColumnReader

Overrides:

readChar in class ParquetDataColumnReaderFactory.DefaultParquetDataColumnReader

Parameters:

id - in dictionary

Returns:

the Char from the dictionary by id