org.apache.drill.exec.record

Class TypedFieldId

java.lang.Object

org.apache.drill.exec.record.TypedFieldId

public class TypedFieldId
extends Object

Declares a value vector field, providing metadata about the field. Drives code generation by providing type and other structural information that determine code structure.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TypedFieldId.Builder

Method Summary

Modifier and Type	Method and Description
TypedFieldId	cloneWithChild(int id)
TypedFieldId	cloneWithRemainder(PathSegment remainder)
boolean	equals(Object obj)
int[]	getFieldIds()
TypeProtos.MajorType	getFinalType()
Class<? extends ValueVector>	getIntermediateClass() Return the class for the value vector (type, mode).
TypeProtos.MajorType	getIntermediateType()
PathSegment	getLastSegment()
static String	getPath(TypedFieldId typeFieldId, RecordBatch recordBatch) Generates the full path to a field from the typefield ids
PathSegment	getRemainder()
TypeProtos.MajorType	getSecondaryFinal()
int	hashCode()
boolean	hasRemainder()
boolean	isDict(int depth) Check if it is a TypeProtos.MinorType.DICT type at a given segment's depth
boolean	isHyperReader()
boolean	isListVector()
static TypedFieldId.Builder	newBuilder()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

cloneWithChild

public TypedFieldId cloneWithChild(int id)

getLastSegment

public PathSegment getLastSegment()

cloneWithRemainder

public TypedFieldId cloneWithRemainder(PathSegment remainder)

hasRemainder

public boolean hasRemainder()

getRemainder

public PathSegment getRemainder()

isHyperReader

public boolean isHyperReader()

isListVector

public boolean isListVector()

getIntermediateType

public TypeProtos.MajorType getIntermediateType()

isDict

public boolean isDict(int depth)

Check if it is a TypeProtos.MinorType.DICT type at a given segment's depth

Parameters:

depth - depth of interest starting with 0

Returns:

true if it is DICT, false otherwise

getIntermediateClass

public Class<? extends ValueVector> getIntermediateClass()

Return the class for the value vector (type, mode).

Returns:

the specific, generated ValueVector subclass that stores values of the given (type, mode) combination

getFinalType

public TypeProtos.MajorType getFinalType()

getFieldIds

public int[] getFieldIds()

getSecondaryFinal

public TypeProtos.MajorType getSecondaryFinal()

newBuilder

public static TypedFieldId.Builder newBuilder()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

getPath

public static String getPath(TypedFieldId typeFieldId,
                             RecordBatch recordBatch)

Generates the full path to a field from the typefield ids

Parameters:

typeFieldId -

recordBatch -

Returns: