Package io.trino.spi.type

Class VarcharType

java.lang.Object

io.trino.spi.type.AbstractType

io.trino.spi.type.AbstractVariableWidthType

io.trino.spi.type.VarcharType

All Implemented Interfaces:

Type, VariableWidthType

public final class VarcharType
extends AbstractVariableWidthType

Nested Class Summary

Nested classes/interfaces inherited from interface io.trino.spi.type.Type

Type.Range

Field Summary

Fields

Modifier and Type	Field	Description
static final int	MAX_LENGTH
static final int	UNBOUNDED_LENGTH
static final VarcharType	VARCHAR

Fields inherited from class io.trino.spi.type.AbstractVariableWidthType

DEFAULT_COMPARABLE_OPERATORS, DEFAULT_ORDERING_OPERATORS, DEFAULT_READ_OPERATORS, EXPECTED_BYTES_PER_ENTRY

Method Summary

Modifier and Type	Method	Description
VariableWidthBlockBuilder	createBlockBuilder(BlockBuilderStatus blockBuilderStatus, int expectedEntries)	Creates the preferred block builder for this type.
static VarcharType	createUnboundedVarcharType()
static VarcharType	createVarcharType(int length)
boolean	equals(Object o)
int	getBoundedLength()
Optional<Integer>	getLength()
Object	getObjectValue(ConnectorSession session, Block block, int position)	Gets an object representation of the type value in the block position.
Optional<Type.Range>	getRange()	Return the range of possible values for this type, if available.
io.airlift.slice.Slice	getSlice(Block block, int position)	Gets the value at the block position as a Slice.
TypeOperatorDeclaration	getTypeOperatorDeclaration(TypeOperators typeOperators)	Gets the declared type specific operators for this type.
int	hashCode()
boolean	isComparable()	True if the type supports equalTo and hash.
boolean	isOrderable()	True if the type supports compareTo.
boolean	isUnbounded()
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.
void	writeString(BlockBuilder blockBuilder, String value)

Methods inherited from class io.trino.spi.type.AbstractVariableWidthType

appendTo, createBlockBuilder, getFlatFixedSize, getFlatVariableWidthSize, isFlatVariableWidth, relocateFlatVariableWidthOffsets

Methods inherited from class io.trino.spi.type.AbstractType

getBoolean, getDisplayName, getDouble, getJavaType, getLong, getObject, getTypeParameters, getTypeSignature, getValueBlockType, toString, writeBoolean, writeDouble, writeLong, writeObject

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.trino.spi.type.Type

getBaseName, getBoolean, getDiscreteValues, getDisplayName, getDouble, getJavaType, getLong, getNextValue, getObject, getPreviousValue, getTypeId, getTypeParameters, getTypeSignature, getValueBlockType, writeBoolean, writeDouble, writeLong, writeObject

Field Details

UNBOUNDED_LENGTH

public static final int UNBOUNDED_LENGTH

See Also:

• Constant Field Values

MAX_LENGTH

public static final int MAX_LENGTH

See Also:

• Constant Field Values

VARCHAR

public static final VarcharType VARCHAR

Method Details

createUnboundedVarcharType

public static VarcharType createUnboundedVarcharType()

createVarcharType

public static VarcharType createVarcharType(int length)

getLength

public Optional<Integer> getLength()

getBoundedLength

public int getBoundedLength()

isUnbounded

public boolean isUnbounded()

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

getTypeOperatorDeclaration

public TypeOperatorDeclaration getTypeOperatorDeclaration(TypeOperators typeOperators)

Description copied from interface: Type

Gets the declared type specific operators for this type.

Specified by:

getTypeOperatorDeclaration in interface Type

Overrides:

getTypeOperatorDeclaration in class AbstractVariableWidthType

getObjectValue

public Object getObjectValue(ConnectorSession session,
 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.

createBlockBuilder

public VariableWidthBlockBuilder 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.

Specified by:

createBlockBuilder in interface Type

Overrides:

createBlockBuilder in class AbstractVariableWidthType

getRange

public Optional<Type.Range> getRange()

Description copied from interface: Type

Return the range of possible values for this type, if available.

The type of the values must match Type.getJavaType()

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

writeString

public void writeString(BlockBuilder blockBuilder,
 String value)

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

equals

public boolean equals(Object o)

Overrides:

equals in class AbstractType

hashCode

public int hashCode()

Overrides:

hashCode in class AbstractType