Package org.apache.drill.exec.expr

Class BasicTypeHelper

java.lang.Object

org.apache.drill.exec.expr.BasicTypeHelper

Direct Known Subclasses:

TypeHelper

public class BasicTypeHelper
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final int	WIDTH_ESTIMATE

Constructor Summary

Constructors

Constructor	Description
BasicTypeHelper()

Method Summary

Modifier and Type	Method	Description
protected static String	buildErrorMessage(String operation, TypeProtos.MajorType type)
protected static String	buildErrorMessage(String operation, TypeProtos.MinorType type, TypeProtos.DataMode mode)
static boolean	compareValues(ValueVector v1, int v1index, ValueVector v2, int v2index)
static ValueHolder	createValueHolder(TypeProtos.MajorType type)	Create a ValueHolder of MajorType.
static ValueHolder	deNullify(ValueHolder holder)
static FieldReader	getHolderReaderImpl(TypeProtos.MajorType type, ValueHolder holder)	Creates and returns FieldReader instance for specified MajorType type using specisied ValueHolder
static Class<?>	getHolderReaderImpl(TypeProtos.MinorType type, TypeProtos.DataMode mode)
static ValueVector	getNewVector(String name, BufferAllocator allocator, TypeProtos.MajorType type, CallBack callback)
static ValueVector	getNewVector(MaterializedField field, TypeProtos.MajorType type, BufferAllocator allocator, CallBack callBack)
static ValueVector	getNewVector(MaterializedField field, BufferAllocator allocator)
static ValueVector	getNewVector(MaterializedField field, BufferAllocator allocator, CallBack callBack)
static Class<?>	getReaderClassName(TypeProtos.MinorType type, TypeProtos.DataMode mode, boolean isSingularRepeated)
static int	getSize(TypeProtos.MajorType major)
static TypeProtos.MajorType	getType(Decimal18Holder holder)
static TypeProtos.MajorType	getType(Decimal28DenseHolder holder)
static TypeProtos.MajorType	getType(Decimal28SparseHolder holder)
static TypeProtos.MajorType	getType(Decimal38DenseHolder holder)
static TypeProtos.MajorType	getType(Decimal38SparseHolder holder)
static TypeProtos.MajorType	getType(Decimal9Holder holder)
static TypeProtos.MajorType	getType(NullableDecimal18Holder holder)
static TypeProtos.MajorType	getType(NullableDecimal28DenseHolder holder)
static TypeProtos.MajorType	getType(NullableDecimal28SparseHolder holder)
static TypeProtos.MajorType	getType(NullableDecimal38DenseHolder holder)
static TypeProtos.MajorType	getType(NullableDecimal38SparseHolder holder)
static TypeProtos.MajorType	getType(NullableDecimal9Holder holder)
static TypeProtos.MajorType	getType(NullableVarDecimalHolder holder)
static TypeProtos.MajorType	getType(RepeatedDecimal18Holder holder)
static TypeProtos.MajorType	getType(RepeatedDecimal28DenseHolder holder)
static TypeProtos.MajorType	getType(RepeatedDecimal28SparseHolder holder)
static TypeProtos.MajorType	getType(RepeatedDecimal38DenseHolder holder)
static TypeProtos.MajorType	getType(RepeatedDecimal38SparseHolder holder)
static TypeProtos.MajorType	getType(RepeatedDecimal9Holder holder)
static TypeProtos.MajorType	getType(RepeatedVarDecimalHolder holder)
static TypeProtos.MajorType	getType(VarDecimalHolder holder)
static ValueHolder	getValue(ValueVector vector, int index)
static TypeProtos.MajorType	getValueHolderType(ValueHolder holder)
static Class<? extends ValueVector>	getValueVectorClass(TypeProtos.MinorType type, TypeProtos.DataMode mode)
static Class<?>	getWriterImpl(TypeProtos.MinorType type, TypeProtos.DataMode mode)
static Class<?>	getWriterInterface(TypeProtos.MinorType type, TypeProtos.DataMode mode)
static boolean	isNull(ValueHolder holder)
static ValueHolder	nullify(ValueHolder holder)
static void	setValue(ValueVector vector, int index, ValueHolder holder)
static void	setValueSafe(ValueVector vector, int index, ValueHolder holder)

Methods inherited from class java.lang.Object

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

Field Details

WIDTH_ESTIMATE

public static final int WIDTH_ESTIMATE

See Also:

• Constant Field Values

Constructor Details

BasicTypeHelper

public BasicTypeHelper()

Method Details

buildErrorMessage

protected static String buildErrorMessage(String operation,
 TypeProtos.MinorType type,
 TypeProtos.DataMode mode)

buildErrorMessage

protected static String buildErrorMessage(String operation,
 TypeProtos.MajorType type)

getSize

public static int getSize(TypeProtos.MajorType major)

getValueVectorClass

public static Class<? extends ValueVector> getValueVectorClass(TypeProtos.MinorType type,
 TypeProtos.DataMode mode)

getReaderClassName

public static Class<?> getReaderClassName(TypeProtos.MinorType type,
 TypeProtos.DataMode mode,
 boolean isSingularRepeated)

getWriterInterface

public static Class<?> getWriterInterface(TypeProtos.MinorType type,
 TypeProtos.DataMode mode)

getWriterImpl

public static Class<?> getWriterImpl(TypeProtos.MinorType type,
 TypeProtos.DataMode mode)

getHolderReaderImpl

public static FieldReader getHolderReaderImpl(TypeProtos.MajorType type,
 ValueHolder holder)

Creates and returns FieldReader instance for specified MajorType type using specisied ValueHolder

Parameters:

type - type of resulting FieldReader instance

holder - value holder for FieldReader creation

Returns:

FieldReader instance

getHolderReaderImpl

public static Class<?> getHolderReaderImpl(TypeProtos.MinorType type,
 TypeProtos.DataMode mode)

getNewVector

public static ValueVector getNewVector(String name,
 BufferAllocator allocator,
 TypeProtos.MajorType type,
 CallBack callback)

getNewVector

public static ValueVector getNewVector(MaterializedField field,
 BufferAllocator allocator)

getNewVector

public static ValueVector getNewVector(MaterializedField field,
 BufferAllocator allocator,
 CallBack callBack)

getNewVector

public static ValueVector getNewVector(MaterializedField field,
 TypeProtos.MajorType type,
 BufferAllocator allocator,
 CallBack callBack)

getValue

public static ValueHolder getValue(ValueVector vector,
 int index)

setValue

public static void setValue(ValueVector vector,
 int index,
 ValueHolder holder)

setValueSafe

public static void setValueSafe(ValueVector vector,
 int index,
 ValueHolder holder)

compareValues

public static boolean compareValues(ValueVector v1,
 int v1index,
 ValueVector v2,
 int v2index)

createValueHolder

public static ValueHolder createValueHolder(TypeProtos.MajorType type)

Create a ValueHolder of MajorType.

Parameters:

type -

Returns:

isNull

public static boolean isNull(ValueHolder holder)

deNullify

public static ValueHolder deNullify(ValueHolder holder)

nullify

public static ValueHolder nullify(ValueHolder holder)

getValueHolderType

public static TypeProtos.MajorType getValueHolderType(ValueHolder holder)

getType

public static TypeProtos.MajorType getType(NullableDecimal9Holder holder)

getType

public static TypeProtos.MajorType getType(Decimal9Holder holder)

getType

public static TypeProtos.MajorType getType(RepeatedDecimal9Holder holder)

getType

public static TypeProtos.MajorType getType(NullableDecimal18Holder holder)

getType

public static TypeProtos.MajorType getType(Decimal18Holder holder)

getType

public static TypeProtos.MajorType getType(RepeatedDecimal18Holder holder)

getType

public static TypeProtos.MajorType getType(NullableDecimal28DenseHolder holder)

getType

public static TypeProtos.MajorType getType(Decimal28DenseHolder holder)

getType

public static TypeProtos.MajorType getType(RepeatedDecimal28DenseHolder holder)

getType

public static TypeProtos.MajorType getType(NullableDecimal38DenseHolder holder)

getType

public static TypeProtos.MajorType getType(Decimal38DenseHolder holder)

getType

public static TypeProtos.MajorType getType(RepeatedDecimal38DenseHolder holder)

getType

public static TypeProtos.MajorType getType(NullableDecimal38SparseHolder holder)

getType

public static TypeProtos.MajorType getType(Decimal38SparseHolder holder)

getType

public static TypeProtos.MajorType getType(RepeatedDecimal38SparseHolder holder)

getType

public static TypeProtos.MajorType getType(NullableDecimal28SparseHolder holder)

getType

public static TypeProtos.MajorType getType(Decimal28SparseHolder holder)

getType

public static TypeProtos.MajorType getType(RepeatedDecimal28SparseHolder holder)

getType

public static TypeProtos.MajorType getType(NullableVarDecimalHolder holder)

getType

public static TypeProtos.MajorType getType(VarDecimalHolder holder)

getType

public static TypeProtos.MajorType getType(RepeatedVarDecimalHolder holder)