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

Class ParquetDataColumnReaderFactory.TypesFromDoublePageReader

java.lang.Object

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

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

All Implemented Interfaces:

ParquetDataColumnReader

Enclosing class:

ParquetDataColumnReaderFactory

public static class ParquetDataColumnReaderFactory.TypesFromDoublePageReader
extends ParquetDataColumnReaderFactory.DefaultParquetDataColumnReader

The reader who reads from the underlying double value value.

Field Summary

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

dict, length, valuesReader

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
byte[]	readChar()
byte[]	readChar(int id)
byte[]	readString()
byte[]	readString(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, isValid, isValid, readBoolean, readBoolean, readBytes, readBytes, readDecimal, readDecimal, readDouble, readDouble, readFloat, readFloat, readInteger, readInteger, readLong, readLong, readTimestamp, readTimestamp, readValueDictionaryId, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

TypesFromDoublePageReader

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

TypesFromDoublePageReader

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

Method Detail

readString

public byte[] readString()

Specified by:

readString in interface ParquetDataColumnReader

Overrides:

readString in class ParquetDataColumnReaderFactory.DefaultParquetDataColumnReader

Returns:

the next String from the page

readString

public byte[] readString(int id)

Specified by:

readString in interface ParquetDataColumnReader

Overrides:

readString in class ParquetDataColumnReaderFactory.DefaultParquetDataColumnReader

Parameters:

id - in dictionary

Returns:

the String from the dictionary by id

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