org.apache.drill.exec.store.parquet.columnreaders

Class ParquetColumnMetadata

java.lang.Object

org.apache.drill.exec.store.parquet.columnreaders.ParquetColumnMetadata

public class ParquetColumnMetadata
extends Object

Represents a single column read from the Parquet file by the record reader.

Field Summary

Fields

Modifier and Type	Field and Description
static int	UNDEFINED_LENGTH

Constructor Summary

Constructors

Constructor and Description
ParquetColumnMetadata(org.apache.parquet.column.ColumnDescriptor column)

Method Summary

Methods

Modifier and Type	Method and Description
static int	getTypeLengthInBits(org.apache.parquet.schema.PrimitiveType.PrimitiveTypeName type)
boolean	isFixedLength()
boolean	isRepeated()
void	resolveDrillType(Map<String,org.apache.parquet.format.SchemaElement> schemaElements, OptionManager options)

Methods inherited from class java.lang.Object

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

Field Detail

UNDEFINED_LENGTH

public static final int UNDEFINED_LENGTH

See Also:

Constant Field Values

Constructor Detail

ParquetColumnMetadata

public ParquetColumnMetadata(org.apache.parquet.column.ColumnDescriptor column)

Method Detail

resolveDrillType

public void resolveDrillType(Map<String,org.apache.parquet.format.SchemaElement> schemaElements,
                    OptionManager options)

getTypeLengthInBits

public static int getTypeLengthInBits(org.apache.parquet.schema.PrimitiveType.PrimitiveTypeName type)

Parameters:

type -

type - a fixed length type from the parquet library enum

Returns:

the length in pageDataByteArray of the type

isFixedLength

public boolean isFixedLength()

isRepeated

public boolean isRepeated()