Class DataType<TType, TChildren>`Abstract`

An abstract base class for classes that encapsulate metadata about each of the logical types that Arrow can represent.

Type Parameters

TType extends Type = Type
TChildren extends TypeMap = any

Hierarchy

DataType

Index

Constructors

Properties

ArrayType TArray TChildren TType TValue [toStringTag] children

Accessors

Constructors

constructor

new DataType<TType, TChildren>(): DataType<TType, TChildren>
Type Parameters
- TType extends Type = Type
- TChildren extends TypeMap = any
Returns DataType<TType, TChildren>

Properties

`Readonly` ArrayType

ArrayType: any

`Readonly` TArray

TArray: any

TChildren

TChildren: TChildren

TType

TType: TType

`Readonly` TValue

TValue: any

[toStringTag]

[toStringTag]: string

`Readonly` children

children: Field<TChildren[keyof TChildren]>[]

Accessors

typeId

get typeId(): TType
Returns TType
- Defined in type.ts:78

Methods

`Static` isBinary

isBinary(x: any): x is Binary
Nocollapse
Parameters
- x: any
Returns x is Binary
- Defined in type.ts:59

`Static` isBool

isBool(x: any): x is Bool
Nocollapse
Parameters
- x: any
Returns x is Bool
- Defined in type.ts:61

`Static` isDate

isDate(x: any): x is Date_<Dates>
Nocollapse
Parameters
- x: any
Returns x is Date_<Dates>
- Defined in type.ts:63

`Static` isDecimal

isDecimal(x: any): x is Decimal
Nocollapse
Parameters
- x: any
Returns x is Decimal
- Defined in type.ts:62

`Static` isDenseUnion

isDenseUnion(x: any): x is DenseUnion
Nocollapse
Parameters
- x: any
Returns x is DenseUnion
- Defined in type.ts:75

`Static` isDictionary

isDictionary(x: any): x is Dictionary<any, TKeys>
Nocollapse
Parameters
- x: any
Returns x is Dictionary<any, TKeys>
- Defined in type.ts:73

`Static` isFixedSizeBinary

isFixedSizeBinary(x: any): x is FixedSizeBinary
Nocollapse
Parameters
- x: any
Returns x is FixedSizeBinary
- Defined in type.ts:70

`Static` isFixedSizeList

isFixedSizeList(x: any): x is FixedSizeList<any>
Nocollapse
Parameters
- x: any
Returns x is FixedSizeList<any>
- Defined in type.ts:71

`Static` isFloat

isFloat(x: any): x is Float<Floats>
Nocollapse
Parameters
- x: any
Returns x is Float<Floats>
- Defined in type.ts:58

`Static` isInt

isInt(x: any): x is Int_<Ints>
Nocollapse
Parameters
- x: any
Returns x is Int_<Ints>
- Defined in type.ts:57

`Static` isInterval

isInterval(x: any): x is Interval_<Intervals>
Nocollapse
Parameters
- x: any
Returns x is Interval_<Intervals>
- Defined in type.ts:66

`Static` isList

isList(x: any): x is List<any>
Nocollapse
Parameters
- x: any
Returns x is List<any>
- Defined in type.ts:67

`Static` isMap

isMap(x: any): x is Map_<any, any>
Nocollapse
Parameters
- x: any
Returns x is Map_<any, any>
- Defined in type.ts:72

`Static` isNull

isNull(x: any): x is Null
Nocollapse
Parameters
- x: any
Returns x is Null
- Defined in type.ts:56

`Static` isSparseUnion

isSparseUnion(x: any): x is SparseUnion
Nocollapse
Parameters
- x: any
Returns x is SparseUnion
- Defined in type.ts:76

`Static` isStruct

isStruct(x: any): x is Struct<any>
Nocollapse
Parameters
- x: any
Returns x is Struct<any>
- Defined in type.ts:68

`Static` isTime

isTime(x: any): x is Time_<Times>
Nocollapse
Parameters
- x: any
Returns x is Time_<Times>
- Defined in type.ts:64

`Static` isTimestamp

isTimestamp(x: any): x is Timestamp_<Timestamps>
Nocollapse
Parameters
- x: any
Returns x is Timestamp_<Timestamps>
- Defined in type.ts:65

`Static` isUnion

isUnion(x: any): x is Union_<Unions>
Nocollapse
Parameters
- x: any
Returns x is Union_<Unions>
- Defined in type.ts:69

`Static` isUtf8

isUtf8(x: any): x is Utf8
Nocollapse
Parameters
- x: any
Returns x is Utf8
- Defined in type.ts:60

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