com.facebook.presto.spi.type

Interface VariableWidthType

All Superinterfaces:

Type

All Known Implementing Classes:

HyperLogLogType, VarbinaryType, VarcharType

public interface VariableWidthType
extends Type

VariableWidthType is a type that can have a different size for every value.

Method Summary

Methods

Modifier and Type	Method and Description
void	appendTo(io.airlift.slice.Slice slice, int offset, BlockBuilder blockBuilder) Append the value at offset in slice to blockBuilder.
void	appendTo(io.airlift.slice.Slice slice, int offset, io.airlift.slice.SliceOutput sliceOutput) Append the value at offset in slice to sliceOutput.
int	compareTo(io.airlift.slice.Slice leftSlice, int leftOffset, io.airlift.slice.Slice rightSlice, int rightOffset) Compare the values in the specified slices at the specified offsets equal.
boolean	equalTo(io.airlift.slice.Slice leftSlice, int leftOffset, BlockCursor rightCursor) Is the value at the specified offset in the specified slice equal value at the specified cursor?
boolean	equalTo(io.airlift.slice.Slice leftSlice, int leftOffset, io.airlift.slice.Slice rightSlice, int rightOffset) Are the values in the specified slices at the specified offsets equal?
int	getLength(io.airlift.slice.Slice slice, int offset) Gets the length of the value at the specified offset in the specified slice.
Object	getObjectValue(ConnectorSession session, io.airlift.slice.Slice slice, int offset) Gets an object representation of the type encoded in the specified slice at the specified offset.
io.airlift.slice.Slice	getSlice(io.airlift.slice.Slice slice, int offset) Gets the value at the specified offset in the specified slice as a Slice.
int	hash(io.airlift.slice.Slice slice, int offset) Calculates the hash code of the value at the specified offset in the specified slice.
int	writeSlice(io.airlift.slice.SliceOutput sliceOutput, io.airlift.slice.Slice value, int offset, int length) Writes the Slice value into the specified slice output.

Methods inherited from interface com.facebook.presto.spi.type.Type

createBlockBuilder, getJavaType, getName

Method Detail

getObjectValue

Object getObjectValue(ConnectorSession session,
                    io.airlift.slice.Slice slice,
                    int offset)

Gets an object representation of the type encoded in the specified slice at the specified offset. This is the value returned to the user via the REST endpoint and therefore must be JSON serializable.

getLength

int getLength(io.airlift.slice.Slice slice,
            int offset)

Gets the length of the value at the specified offset in the specified slice.

getSlice

io.airlift.slice.Slice getSlice(io.airlift.slice.Slice slice,
                              int offset)

Gets the value at the specified offset in the specified slice as a Slice.

writeSlice

int writeSlice(io.airlift.slice.SliceOutput sliceOutput,
             io.airlift.slice.Slice value,
             int offset,
             int length)

Writes the Slice value into the specified slice output.

equalTo

boolean equalTo(io.airlift.slice.Slice leftSlice,
              int leftOffset,
              io.airlift.slice.Slice rightSlice,
              int rightOffset)

Are the values in the specified slices at the specified offsets equal?

equalTo

boolean equalTo(io.airlift.slice.Slice leftSlice,
              int leftOffset,
              BlockCursor rightCursor)

Is the value at the specified offset in the specified slice equal value at the specified cursor?

hash

int hash(io.airlift.slice.Slice slice,
       int offset)

Calculates the hash code of the value at the specified offset in the specified slice.

compareTo

int compareTo(io.airlift.slice.Slice leftSlice,
            int leftOffset,
            io.airlift.slice.Slice rightSlice,
            int rightOffset)

Compare the values in the specified slices at the specified offsets equal.

appendTo

void appendTo(io.airlift.slice.Slice slice,
            int offset,
            BlockBuilder blockBuilder)

Append the value at offset in slice to blockBuilder.

appendTo

void appendTo(io.airlift.slice.Slice slice,
            int offset,
            io.airlift.slice.SliceOutput sliceOutput)

Append the value at offset in slice to sliceOutput.