fbs

package
v0.0.0-...-790036a Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: May 17, 2019 License: MIT Imports: 1 Imported by: 1

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var EnumNamesEncoding = map[Encoding]string{
	EncodingPLAIN:      "PLAIN",
	EncodingDICTIONARY: "DICTIONARY",
}
View Source 
var EnumNamesTimeUnit = map[TimeUnit]string{
	TimeUnitSECOND:      "SECOND",
	TimeUnitMILLISECOND: "MILLISECOND",
	TimeUnitMICROSECOND: "MICROSECOND",
	TimeUnitNANOSECOND:  "NANOSECOND",
}
View Source 
var EnumNamesTypE = map[TypE]string{
	TypEBOOL:      "BOOL",
	TypEINT8:      "INT8",
	TypEINT16:     "INT16",
	TypEINT32:     "INT32",
	TypEINT64:     "INT64",
	TypEUINT8:     "UINT8",
	TypEUINT16:    "UINT16",
	TypEUINT32:    "UINT32",
	TypEUINT64:    "UINT64",
	TypEFLOAT:     "FLOAT",
	TypEDOUBLE:    "DOUBLE",
	TypEUTF8:      "UTF8",
	TypEBINARY:    "BINARY",
	TypECATEGORY:  "CATEGORY",
	TypETIMESTAMP: "TIMESTAMP",
	TypEDATE:      "DATE",
	TypETIME:      "TIME",
}
View Source 
var EnumNamesTypeMetadata = map[TypeMetadata]string{
	TypeMetadataNONE:              "NONE",
	TypeMetadataCategoryMetadata:  "CategoryMetadata",
	TypeMetadataTimestampMetadata: "TimestampMetadata",
	TypeMetadataDateMetadata:      "DateMetadata",
	TypeMetadataTimeMetadata:      "TimeMetadata",
}

Functions

func CTableAddColumns 

func CTableAddColumns(builder *flatbuffers.Builder, columns flatbuffers.UOffsetT)

func CTableAddDescription 

func CTableAddDescription(builder *flatbuffers.Builder, description flatbuffers.UOffsetT)

func CTableAddMetadata 

func CTableAddMetadata(builder *flatbuffers.Builder, metadata flatbuffers.UOffsetT)

func CTableAddNumRows 

func CTableAddNumRows(builder *flatbuffers.Builder, numRows int64)

func CTableAddVersion 

func CTableAddVersion(builder *flatbuffers.Builder, version int32)

func CTableEnd 

func CTableEnd(builder *flatbuffers.Builder) flatbuffers.UOffsetT

func CTableStart 

func CTableStart(builder *flatbuffers.Builder)

/ Table metadata (likely JSON), not yet used

func CTableStartColumnsVector 

func CTableStartColumnsVector(builder *flatbuffers.Builder, numElems int) flatbuffers.UOffsetT

func CategoryMetadataAddLevels 

func CategoryMetadataAddLevels(builder *flatbuffers.Builder, levels flatbuffers.UOffsetT)

func CategoryMetadataAddOrdered 

func CategoryMetadataAddOrdered(builder *flatbuffers.Builder, ordered bool)

func CategoryMetadataEnd 

func CategoryMetadataEnd(builder *flatbuffers.Builder) flatbuffers.UOffsetT

func CategoryMetadataStart 

func CategoryMetadataStart(builder *flatbuffers.Builder)

func ColumnAddMetadata 

func ColumnAddMetadata(builder *flatbuffers.Builder, metadata flatbuffers.UOffsetT)

func ColumnAddMetadataType 

func ColumnAddMetadataType(builder *flatbuffers.Builder, metadataType byte)

func ColumnAddName 

func ColumnAddName(builder *flatbuffers.Builder, name flatbuffers.UOffsetT)

func ColumnAddUserMetadata 

func ColumnAddUserMetadata(builder *flatbuffers.Builder, userMetadata flatbuffers.UOffsetT)

func ColumnAddValues 

func ColumnAddValues(builder *flatbuffers.Builder, values flatbuffers.UOffsetT)

func ColumnEnd 

func ColumnEnd(builder *flatbuffers.Builder) flatbuffers.UOffsetT

func ColumnStart 

func ColumnStart(builder *flatbuffers.Builder)

/ This should (probably) be JSON

func DateMetadataEnd 

func DateMetadataEnd(builder *flatbuffers.Builder) flatbuffers.UOffsetT

func DateMetadataStart 

func DateMetadataStart(builder *flatbuffers.Builder)

func PrimitiveArrayAddEncoding 

func PrimitiveArrayAddEncoding(builder *flatbuffers.Builder, encoding int8)

func PrimitiveArrayAddLength 

func PrimitiveArrayAddLength(builder *flatbuffers.Builder, length int64)

func PrimitiveArrayAddNullCount 

func PrimitiveArrayAddNullCount(builder *flatbuffers.Builder, nullCount int64)

func PrimitiveArrayAddOffset 

func PrimitiveArrayAddOffset(builder *flatbuffers.Builder, offset int64)

func PrimitiveArrayAddTotalBytes 

func PrimitiveArrayAddTotalBytes(builder *flatbuffers.Builder, totalBytes int64)

func PrimitiveArrayAddTypE 

func PrimitiveArrayAddTypE(builder *flatbuffers.Builder, typE int8)

func PrimitiveArrayEnd 

func PrimitiveArrayEnd(builder *flatbuffers.Builder) flatbuffers.UOffsetT

func PrimitiveArrayStart 

func PrimitiveArrayStart(builder *flatbuffers.Builder)

func TimeMetadataAddUnit 

func TimeMetadataAddUnit(builder *flatbuffers.Builder, unit int8)

func TimeMetadataEnd 

func TimeMetadataEnd(builder *flatbuffers.Builder) flatbuffers.UOffsetT

func TimeMetadataStart 

func TimeMetadataStart(builder *flatbuffers.Builder)

func TimestampMetadataAddTimezone 

func TimestampMetadataAddTimezone(builder *flatbuffers.Builder, timezone flatbuffers.UOffsetT)

func TimestampMetadataAddUnit 

func TimestampMetadataAddUnit(builder *flatbuffers.Builder, unit int8)

func TimestampMetadataEnd 

func TimestampMetadataEnd(builder *flatbuffers.Builder) flatbuffers.UOffsetT

func TimestampMetadataStart 

func TimestampMetadataStart(builder *flatbuffers.Builder)

/ Timestamp data is assumed to be UTC, but the time zone is stored here for / presentation as localized

Types

type CTable 

type CTable struct {
	// contains filtered or unexported fields
}

func GetRootAsCTable 

func GetRootAsCTable(buf []byte, offset flatbuffers.UOffsetT) *CTable

func (*CTable) Columns 

func (rcv *CTable) Columns(obj *Column, j int) bool

func (*CTable) ColumnsLength 

func (rcv *CTable) ColumnsLength() int

func (*CTable) Description 

func (rcv *CTable) Description() []byte

/ Some text (or a name) metadata about what the file is, optional

func (*CTable) Init 

func (rcv *CTable) Init(buf []byte, i flatbuffers.UOffsetT)

func (*CTable) Metadata 

func (rcv *CTable) Metadata() []byte

/ Table metadata (likely JSON), not yet used

func (*CTable) MutateNumRows 

func (rcv *CTable) MutateNumRows(n int64) bool

func (*CTable) MutateVersion 

func (rcv *CTable) MutateVersion(n int32) bool

/ Version number of the Feather format

func (*CTable) NumRows 

func (rcv *CTable) NumRows() int64

/ Some text (or a name) metadata about what the file is, optional

func (*CTable) Table 

func (rcv *CTable) Table() flatbuffers.Table

func (*CTable) Version 

func (rcv *CTable) Version() int32

/ Version number of the Feather format

type CategoryMetadata 

type CategoryMetadata struct {
	// contains filtered or unexported fields
}

func GetRootAsCategoryMetadata 

func GetRootAsCategoryMetadata(buf []byte, offset flatbuffers.UOffsetT) *CategoryMetadata

func (*CategoryMetadata) Init 

func (rcv *CategoryMetadata) Init(buf []byte, i flatbuffers.UOffsetT)

func (*CategoryMetadata) Levels 

func (rcv *CategoryMetadata) Levels(obj *PrimitiveArray) *PrimitiveArray

/ The category codes are presumed to be integers that are valid indexes into / the levels array

func (*CategoryMetadata) MutateOrdered 

func (rcv *CategoryMetadata) MutateOrdered(n bool) bool

func (*CategoryMetadata) Ordered 

func (rcv *CategoryMetadata) Ordered() bool

/ The category codes are presumed to be integers that are valid indexes into / the levels array

func (*CategoryMetadata) Table 

func (rcv *CategoryMetadata) Table() flatbuffers.Table

type Column 

type Column struct {
	// contains filtered or unexported fields
}

func GetRootAsColumn 

func GetRootAsColumn(buf []byte, offset flatbuffers.UOffsetT) *Column

func (*Column) Init 

func (rcv *Column) Init(buf []byte, i flatbuffers.UOffsetT)

func (*Column) Metadata 

func (rcv *Column) Metadata(obj *flatbuffers.Table) bool

func (*Column) MetadataType 

func (rcv *Column) MetadataType() byte

func (*Column) MutateMetadataType 

func (rcv *Column) MutateMetadataType(n byte) bool

func (*Column) Name 

func (rcv *Column) Name() []byte

func (*Column) Table 

func (rcv *Column) Table() flatbuffers.Table

func (*Column) UserMetadata 

func (rcv *Column) UserMetadata() []byte

/ This should (probably) be JSON

func (*Column) Values 

func (rcv *Column) Values(obj *PrimitiveArray) *PrimitiveArray

type DateMetadata 

type DateMetadata struct {
	// contains filtered or unexported fields
}

func GetRootAsDateMetadata 

func GetRootAsDateMetadata(buf []byte, offset flatbuffers.UOffsetT) *DateMetadata

func (*DateMetadata) Init 

func (rcv *DateMetadata) Init(buf []byte, i flatbuffers.UOffsetT)

func (*DateMetadata) Table 

func (rcv *DateMetadata) Table() flatbuffers.Table

type Encoding 

type Encoding = int8
const (
	EncodingPLAIN Encoding = 0
	/// Data is stored dictionary-encoded
	/// dictionary size: <INT32 Dictionary size>
	/// dictionary data: <TYPE primitive array>
	/// dictionary index: <INT32 primitive array>
	///
	/// TODO: do we care about storing the index values in a smaller typeclass
	EncodingDICTIONARY Encoding = 1
)

type PrimitiveArray 

type PrimitiveArray struct {
	// contains filtered or unexported fields
}

func GetRootAsPrimitiveArray 

func GetRootAsPrimitiveArray(buf []byte, offset flatbuffers.UOffsetT) *PrimitiveArray

func (*PrimitiveArray) Encoding 

func (rcv *PrimitiveArray) Encoding() Encoding

func (*PrimitiveArray) Init 

func (rcv *PrimitiveArray) Init(buf []byte, i flatbuffers.UOffsetT)

func (*PrimitiveArray) Length 

func (rcv *PrimitiveArray) Length() int64

/ The number of logical values in the array

func (*PrimitiveArray) MutateEncoding 

func (rcv *PrimitiveArray) MutateEncoding(n Encoding) bool

func (*PrimitiveArray) MutateLength 

func (rcv *PrimitiveArray) MutateLength(n int64) bool

/ The number of logical values in the array

func (*PrimitiveArray) MutateNullCount 

func (rcv *PrimitiveArray) MutateNullCount(n int64) bool

/ The number of observed nulls

func (*PrimitiveArray) MutateOffset 

func (rcv *PrimitiveArray) MutateOffset(n int64) bool

/ Relative memory offset of the start of the array data excluding the size / of the metadata

func (*PrimitiveArray) MutateTotalBytes 

func (rcv *PrimitiveArray) MutateTotalBytes(n int64) bool

/ The total size of the actual data in the file

func (*PrimitiveArray) MutateTypE 

func (rcv *PrimitiveArray) MutateTypE(n TypE) bool

func (*PrimitiveArray) NullCount 

func (rcv *PrimitiveArray) NullCount() int64

/ The number of observed nulls

func (*PrimitiveArray) Offset 

func (rcv *PrimitiveArray) Offset() int64

/ Relative memory offset of the start of the array data excluding the size / of the metadata

func (*PrimitiveArray) Table 

func (rcv *PrimitiveArray) Table() flatbuffers.Table

func (*PrimitiveArray) TotalBytes 

func (rcv *PrimitiveArray) TotalBytes() int64

/ The total size of the actual data in the file

func (*PrimitiveArray) TypE 

func (rcv *PrimitiveArray) TypE() TypE

type TimeMetadata 

type TimeMetadata struct {
	// contains filtered or unexported fields
}

func GetRootAsTimeMetadata 

func GetRootAsTimeMetadata(buf []byte, offset flatbuffers.UOffsetT) *TimeMetadata

func (*TimeMetadata) Init 

func (rcv *TimeMetadata) Init(buf []byte, i flatbuffers.UOffsetT)

func (*TimeMetadata) MutateUnit 

func (rcv *TimeMetadata) MutateUnit(n TimeUnit) bool

func (*TimeMetadata) Table 

func (rcv *TimeMetadata) Table() flatbuffers.Table

func (*TimeMetadata) Unit 

func (rcv *TimeMetadata) Unit() TimeUnit

type TimeUnit 

type TimeUnit = int8
const (
	TimeUnitSECOND      TimeUnit = 0
	TimeUnitMILLISECOND TimeUnit = 1
	TimeUnitMICROSECOND TimeUnit = 2
	TimeUnitNANOSECOND  TimeUnit = 3
)

type TimestampMetadata 

type TimestampMetadata struct {
	// contains filtered or unexported fields
}

func GetRootAsTimestampMetadata 

func GetRootAsTimestampMetadata(buf []byte, offset flatbuffers.UOffsetT) *TimestampMetadata

func (*TimestampMetadata) Init 

func (rcv *TimestampMetadata) Init(buf []byte, i flatbuffers.UOffsetT)

func (*TimestampMetadata) MutateUnit 

func (rcv *TimestampMetadata) MutateUnit(n TimeUnit) bool

func (*TimestampMetadata) Table 

func (rcv *TimestampMetadata) Table() flatbuffers.Table

func (*TimestampMetadata) Timezone 

func (rcv *TimestampMetadata) Timezone() []byte

/ Timestamp data is assumed to be UTC, but the time zone is stored here for / presentation as localized

func (*TimestampMetadata) Unit 

func (rcv *TimestampMetadata) Unit() TimeUnit

type TypE 

type TypE = int8

/ Feather is an experimental serialization format implemented using / techniques from Apache Arrow. It was created as a proof-of-concept of an / interoperable file format for storing data frames originating in Python or / R. It enabled the developers to sidestep some of the open design questions / in Arrow from early 2016 and instead create something simple and useful for / the intended use cases. 

const (
	TypEBOOL      TypE = 0
	TypEINT8      TypE = 1
	TypEINT16     TypE = 2
	TypEINT32     TypE = 3
	TypEINT64     TypE = 4
	TypEUINT8     TypE = 5
	TypEUINT16    TypE = 6
	TypEUINT32    TypE = 7
	TypEUINT64    TypE = 8
	TypEFLOAT     TypE = 9
	TypEDOUBLE    TypE = 10
	TypEUTF8      TypE = 11
	TypEBINARY    TypE = 12
	TypECATEGORY  TypE = 13
	TypETIMESTAMP TypE = 14
	TypEDATE      TypE = 15
	TypETIME      TypE = 16
)

type TypeMetadata 

type TypeMetadata = byte
const (
	TypeMetadataNONE              TypeMetadata = 0
	TypeMetadataCategoryMetadata  TypeMetadata = 1
	TypeMetadataTimestampMetadata TypeMetadata = 2
	TypeMetadataDateMetadata      TypeMetadata = 3
	TypeMetadataTimeMetadata      TypeMetadata = 4
)

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.