com.facebook.presto.common.type

Class DistinctType

java.lang.Object

com.facebook.presto.common.type.AbstractType

com.facebook.presto.common.type.DistinctType

All Implemented Interfaces:

Type

@ThreadSafe
public class DistinctType
extends AbstractType

Constructor Summary

Constructors

Constructor and Description
DistinctType(DistinctTypeInfo distinctTypeInfo, Type baseType, Function<QualifiedObjectName,DistinctType> distinctTypeLoader)

Method Summary

Modifier and Type	Method and Description
void	appendTo(Block block, int position, BlockBuilder blockBuilder) Append the value at position in block to blockBuilder.
int	compareTo(Block leftBlock, int leftPosition, Block rightBlock, int rightPosition) Compare the values in the specified block at the specified positions equal.
BlockBuilder	createBlockBuilder(BlockBuilderStatus blockBuilderStatus, int expectedEntries) Creates the preferred block builder for this type.
BlockBuilder	createBlockBuilder(BlockBuilderStatus blockBuilderStatus, int expectedEntries, int expectedBytesPerEntry) Creates the preferred block builder for this type.
boolean	equals(Object obj)
boolean	equalTo(Block leftBlock, int leftPosition, Block rightBlock, int rightPosition) Are the values in the specified blocks at the specified positions equal?
Type	getBaseType()
Block	getBlockUnchecked(Block block, int internalPosition) Gets the value at the block internalPosition - offsetBase as a block without boundary checks.
boolean	getBoolean(Block block, int position) Gets the value at the block position as a boolean.
boolean	getBooleanUnchecked(UncheckedBlock block, int internalPosition) Gets the value at the block internalPosition - offsetBase as a boolean without boundary checks.
String	getDisplayName() Returns the name of this type that should be displayed to end-users.
double	getDouble(Block block, int position) Gets the value at the block position as a double.
double	getDoubleUnchecked(UncheckedBlock block, int internalPosition) Gets the value at the block internalPosition - offsetBase as a double without boundary checks.
long	getLong(Block block, int position) Gets the value at the block position as a long.
long	getLongUnchecked(UncheckedBlock block, int internalPosition) Gets the value at the block internalPosition - offsetBase as a long without boundary checks.
static Optional<DistinctType>	getLowestCommonSuperType(DistinctType firstType, DistinctType secondType)
QualifiedObjectName	getName()
Object	getObject(Block block, int position) Gets the value at the block position as an Object.
Object	getObjectValue(SqlFunctionProperties properties, Block block, int position) Gets an object representation of the type value in the block position.
Optional<DistinctType>	getParentTypeLoadIfNeeded()
Optional<QualifiedObjectName>	getParentTypeName()
io.airlift.slice.Slice	getSlice(Block block, int position) Gets the value at the block position as a Slice.
io.airlift.slice.Slice	getSliceUnchecked(Block block, int internalPosition) Gets the value at the block position as a Slice without boundary checks
List<Type>	getTypeParameters() For parameterized types returns the list of parameters.
TypeSignature	getTypeSignature() Gets the name of this type which must be case insensitive globally unique.
static boolean	hasAncestorRelationship(DistinctType firstType, DistinctType secondType)
long	hash(Block block, int position) Calculates the hash code of the value at the specified position in the specified block.
int	hashCode()
boolean	isComparable() True if the type supports equalTo and hash.
boolean	isOrderable() True if the type supports compareTo.
void	writeBoolean(BlockBuilder blockBuilder, boolean value) Writes the boolean value into the BlockBuilder.
void	writeDouble(BlockBuilder blockBuilder, double value) Writes the double value into the BlockBuilder.
void	writeLong(BlockBuilder blockBuilder, long value) Writes the long value into the BlockBuilder.
void	writeObject(BlockBuilder blockBuilder, Object value) Writes the Object value into the BlockBuilder.
void	writeSlice(BlockBuilder blockBuilder, io.airlift.slice.Slice value) Writes the Slice value into the BlockBuilder.
void	writeSlice(BlockBuilder blockBuilder, io.airlift.slice.Slice value, int offset, int length) Writes the Slice value into the BlockBuilder.

Methods inherited from class com.facebook.presto.common.type.AbstractType

getJavaType, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DistinctType

public DistinctType(DistinctTypeInfo distinctTypeInfo,
                    Type baseType,
                    Function<QualifiedObjectName,DistinctType> distinctTypeLoader)

Method Detail

getName

public QualifiedObjectName getName()

getBaseType

public Type getBaseType()

getParentTypeLoadIfNeeded

public Optional<DistinctType> getParentTypeLoadIfNeeded()

getParentTypeName

public Optional<QualifiedObjectName> getParentTypeName()

hasAncestorRelationship

public static boolean hasAncestorRelationship(DistinctType firstType,
                                              DistinctType secondType)

getLowestCommonSuperType

public static Optional<DistinctType> getLowestCommonSuperType(DistinctType firstType,
                                                              DistinctType secondType)

equals

public boolean equals(Object obj)

Overrides:

equals in class AbstractType

hashCode

public int hashCode()

Overrides:

hashCode in class AbstractType

getTypeSignature

public TypeSignature getTypeSignature()

Description copied from interface: Type

Gets the name of this type which must be case insensitive globally unique. The name of a user defined type must be a legal identifier in Presto.

getDisplayName

public String getDisplayName()

Description copied from interface: Type

Returns the name of this type that should be displayed to end-users.

Specified by:

getDisplayName in interface Type

Overrides:

getDisplayName in class AbstractType

isComparable

public boolean isComparable()

Description copied from interface: Type

True if the type supports equalTo and hash.

Specified by:

isComparable in interface Type

Overrides:

isComparable in class AbstractType

isOrderable

public boolean isOrderable()

Description copied from interface: Type

True if the type supports compareTo.

Specified by:

isOrderable in interface Type

Overrides:

isOrderable in class AbstractType

getTypeParameters

public List<Type> getTypeParameters()

Description copied from interface: Type

For parameterized types returns the list of parameters.

Specified by:

getTypeParameters in interface Type

Overrides:

getTypeParameters in class AbstractType

createBlockBuilder

public BlockBuilder createBlockBuilder(BlockBuilderStatus blockBuilderStatus,
                                       int expectedEntries,
                                       int expectedBytesPerEntry)

Description copied from interface: Type

Creates the preferred block builder for this type. This is the builder used to store values after an expression projection within the query.

createBlockBuilder

public BlockBuilder createBlockBuilder(BlockBuilderStatus blockBuilderStatus,
                                       int expectedEntries)

Description copied from interface: Type

Creates the preferred block builder for this type. This is the builder used to store values after an expression projection within the query.

getObjectValue

public Object getObjectValue(SqlFunctionProperties properties,
                             Block block,
                             int position)

Description copied from interface: Type

Gets an object representation of the type value in the block position. This is the value returned to the user via the REST endpoint and therefore must be JSON serializable.

getBoolean

public boolean getBoolean(Block block,
                          int position)

Description copied from interface: Type

Gets the value at the block position as a boolean.

Specified by:

getBoolean in interface Type

Overrides:

getBoolean in class AbstractType

getBooleanUnchecked

public boolean getBooleanUnchecked(UncheckedBlock block,
                                   int internalPosition)

Description copied from interface: Type

Gets the value at the block internalPosition - offsetBase as a boolean without boundary checks.

Specified by:

getBooleanUnchecked in interface Type

Overrides:

getBooleanUnchecked in class AbstractType

getLong

public long getLong(Block block,
                    int position)

Description copied from interface: Type

Gets the value at the block position as a long.

Specified by:

getLong in interface Type

Overrides:

getLong in class AbstractType

getLongUnchecked

public long getLongUnchecked(UncheckedBlock block,
                             int internalPosition)

Description copied from interface: Type

Gets the value at the block internalPosition - offsetBase as a long without boundary checks.

Specified by:

getLongUnchecked in interface Type

Overrides:

getLongUnchecked in class AbstractType

getDouble

public double getDouble(Block block,
                        int position)

Description copied from interface: Type

Gets the value at the block position as a double.

Specified by:

getDouble in interface Type

Overrides:

getDouble in class AbstractType

getDoubleUnchecked

public double getDoubleUnchecked(UncheckedBlock block,
                                 int internalPosition)

Description copied from interface: Type

Gets the value at the block internalPosition - offsetBase as a double without boundary checks.

Specified by:

getDoubleUnchecked in interface Type

Overrides:

getDoubleUnchecked in class AbstractType

getSlice

public io.airlift.slice.Slice getSlice(Block block,
                                       int position)

Description copied from interface: Type

Gets the value at the block position as a Slice.

Specified by:

getSlice in interface Type

Overrides:

getSlice in class AbstractType

getSliceUnchecked

public io.airlift.slice.Slice getSliceUnchecked(Block block,
                                                int internalPosition)

Description copied from interface: Type

Gets the value at the block position as a Slice without boundary checks

Specified by:

getSliceUnchecked in interface Type

Overrides:

getSliceUnchecked in class AbstractType

getObject

public Object getObject(Block block,
                        int position)

Description copied from interface: Type

Gets the value at the block position as an Object.

Specified by:

getObject in interface Type

Overrides:

getObject in class AbstractType

getBlockUnchecked

public Block getBlockUnchecked(Block block,
                               int internalPosition)

Description copied from interface: Type

Gets the value at the block internalPosition - offsetBase as a block without boundary checks.

Specified by:

getBlockUnchecked in interface Type

Overrides:

getBlockUnchecked in class AbstractType

writeBoolean

public void writeBoolean(BlockBuilder blockBuilder,
                         boolean value)

Description copied from interface: Type

Writes the boolean value into the BlockBuilder.

Specified by:

writeBoolean in interface Type

Overrides:

writeBoolean in class AbstractType

writeLong

public void writeLong(BlockBuilder blockBuilder,
                      long value)

Description copied from interface: Type

Writes the long value into the BlockBuilder.

Specified by:

writeLong in interface Type

Overrides:

writeLong in class AbstractType

writeDouble

public void writeDouble(BlockBuilder blockBuilder,
                        double value)

Description copied from interface: Type

Writes the double value into the BlockBuilder.

Specified by:

writeDouble in interface Type

Overrides:

writeDouble in class AbstractType

writeSlice

public void writeSlice(BlockBuilder blockBuilder,
                       io.airlift.slice.Slice value)

Description copied from interface: Type

Writes the Slice value into the BlockBuilder.

Specified by:

writeSlice in interface Type

Overrides:

writeSlice in class AbstractType

writeSlice

public void writeSlice(BlockBuilder blockBuilder,
                       io.airlift.slice.Slice value,
                       int offset,
                       int length)

Description copied from interface: Type

Writes the Slice value into the BlockBuilder.

Specified by:

writeSlice in interface Type

Overrides:

writeSlice in class AbstractType

writeObject

public void writeObject(BlockBuilder blockBuilder,
                        Object value)

Description copied from interface: Type

Writes the Object value into the BlockBuilder.

Specified by:

writeObject in interface Type

Overrides:

writeObject in class AbstractType

appendTo

public void appendTo(Block block,
                     int position,
                     BlockBuilder blockBuilder)

Description copied from interface: Type

Append the value at position in block to blockBuilder.

equalTo

public boolean equalTo(Block leftBlock,
                       int leftPosition,
                       Block rightBlock,
                       int rightPosition)

Description copied from interface: Type

Are the values in the specified blocks at the specified positions equal?

This method assumes input is not null.

Specified by:

equalTo in interface Type

Overrides:

equalTo in class AbstractType

hash

public long hash(Block block,
                 int position)

Description copied from interface: Type

Calculates the hash code of the value at the specified position in the specified block.

Specified by:

hash in interface Type

Overrides:

hash in class AbstractType

compareTo

public int compareTo(Block leftBlock,
                     int leftPosition,
                     Block rightBlock,
                     int rightPosition)

Description copied from interface: Type

Compare the values in the specified block at the specified positions equal.

Specified by:

compareTo in interface Type

Overrides:

compareTo in class AbstractType