badgers

package module
v0.0.0-...-645c863 Latest Latest
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 Go to latest Published: Mar 17, 2025 License: Apache-2.0 Imports: 6 Imported by: 0

README

badgers

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func IsFloat 

func IsFloat(dt DataType) bool

func IsInteger 

func IsInteger(dt DataType) bool

func IsKnown 

func IsKnown(dt DataType) bool

func IsLogical 

func IsLogical(dt DataType) bool

func IsNumeric 

func IsNumeric(dt DataType) bool

func IsSignedInteger 

func IsSignedInteger(dt DataType) bool

func IsTemporal 

func IsTemporal(dt DataType) bool

func IsUnsignedInteger 

func IsUnsignedInteger(dt DataType) bool

Types

type Allocator 

type Allocator = memory.Allocator

type Array 

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

func (Array) ArrayType 

func (a Array) ArrayType() arrow.DataType

func (Array) Clone 

func (a Array) Clone() DataType

func (Array) Elem 

func (a Array) Elem() DataType

func (Array) Size 

func (a Array) Size() int

func (Array) ValueWithinRange 

func (a Array) ValueWithinRange(any) bool

type BadgersDataType 

type BadgersDataType interface {
	bool | PrimitiveType | string | []byte
}

type Binary 

type Binary struct{}

func (Binary) ArrayType 

func (Binary) ArrayType() arrow.DataType

func (Binary) Clone 

func (Binary) Clone() DataType

func (Binary) String 

func (Binary) String() string

func (Binary) ValueWithinRange 

func (Binary) ValueWithinRange(v any) bool

type Boolean 

type Boolean struct{}

func (Boolean) ArrayType 

func (Boolean) ArrayType() arrow.DataType

func (Boolean) Clone 

func (Boolean) Clone() DataType

func (Boolean) String 

func (Boolean) String() string

func (Boolean) ValueWithinRange 

func (Boolean) ValueWithinRange(any) bool

type Categorical 

type Categorical struct {
	Mapping  RevMapping
	Ordering CategoricalOrdering
}

func (Categorical) ArrayType 

func (Categorical) ArrayType() arrow.DataType

func (Categorical) Clone 

func (d Categorical) Clone() DataType

func (Categorical) ValueWithinRange 

func (Categorical) ValueWithinRange(any) bool

type CategoricalOrdering 

type CategoricalOrdering int8
const (
	Physical CategoricalOrdering = iota
	Lexical
)

type DataType 

type DataType interface {
	ValueWithinRange(any) bool
	Clone() DataType
	ArrayType() arrow.DataType
}

func FromArrowType 

func FromArrowType(dt arrow.DataType) DataType

func InnerDtype 

func InnerDtype(dt DataType) DataType

func ToDataType 

func ToDataType[T BadgersDataType]() DataType

func ToPhysical 

func ToPhysical(dt DataType) DataType

type Date 

type Date struct{}

func (Date) ArrayType 

func (Date) ArrayType() arrow.DataType

func (Date) Clone 

func (Date) Clone() DataType

func (Date) String 

func (Date) String() string

func (Date) ValueWithinRange 

func (Date) ValueWithinRange(v any) bool

type DateTime 

type DateTime struct {
	Unit TimeUnit
	Zone string
}

func (DateTime) ArrayType 

func (d DateTime) ArrayType() arrow.DataType

func (DateTime) Clone 

func (d DateTime) Clone() DataType

func (DateTime) String 

func (d DateTime) String() string

func (DateTime) ValueWithinRange 

func (DateTime) ValueWithinRange(v any) bool

type Decimal 

type Decimal struct {
	Precision, Scale uint32
}

func (Decimal) ArrayType 

func (d Decimal) ArrayType() arrow.DataType

func (Decimal) Clone 

func (d Decimal) Clone() DataType

func (Decimal) ValueWithinRange 

func (Decimal) ValueWithinRange(v any) bool

type Duration 

type Duration struct {
	Unit TimeUnit
}

func (Duration) ArrayType 

func (d Duration) ArrayType() arrow.DataType

func (Duration) Clone 

func (d Duration) Clone() DataType

func (Duration) String 

func (d Duration) String() string

func (Duration) ValueWithinRange 

func (Duration) ValueWithinRange(v any) bool

type Enum 

type Enum struct {
	Mapping  RevMapping
	Ordering CategoricalOrdering
}

func (Enum) ArrayType 

func (Enum) ArrayType() arrow.DataType

func (Enum) Clone 

func (d Enum) Clone() DataType

func (Enum) ValueWithinRange 

func (Enum) ValueWithinRange(any) bool

type Field 

type Field struct {
	Name string
	Type DataType
}

type Float32 

type Float32 = primitiveType[float32]

type Float64 

type Float64 = primitiveType[float64]

type FloatType 

type FloatType interface {
	float32 | float64
}

type Int16 

type Int16 = primitiveType[int16]

type Int32 

type Int32 = primitiveType[int32]

type Int64 

type Int64 = primitiveType[int64]

type Int8 

type Int8 = primitiveType[int8]

type IntegerType 

type IntegerType interface {
	SignedIntegerType | UnsignedIntegerType
}

type List 

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

func (List) ArrayType 

func (l List) ArrayType() arrow.DataType

func (List) Child 

func (l List) Child() DataType

func (List) Clone 

func (l List) Clone() DataType

func (List) ValueWithinRange 

func (l List) ValueWithinRange(any) bool

type Null 

type Null struct{}

func (Null) ArrayType 

func (Null) ArrayType() arrow.DataType

func (Null) Clone 

func (Null) Clone() DataType

func (Null) String 

func (Null) String() string

func (Null) ValueWithinRange 

func (Null) ValueWithinRange(v any) bool

type NumericType 

type NumericType interface {
	IntegerType | FloatType
}

type PrimitiveType 

type PrimitiveType interface {
	NumericType | TemporalType
}

type RevMapping 

type RevMapping interface {
	IsGlobal() bool
	IsLocal() bool
	GetCategories() []string
	BuildLocal(categories []string) RevMapping
	Len() uint
	Get(idx uint32) (string, bool)
	SameSrc(other RevMapping) bool
	Find(value string) (uint32, bool)
}

type SignedIntegerType 

type SignedIntegerType interface {
	int8 | int16 | int32 | int64
}

type SimpleType 

type SimpleType interface {
	bool | PrimitiveType | string
}

type String 

type String struct{}

func (String) ArrayType 

func (String) ArrayType() arrow.DataType

func (String) Clone 

func (String) Clone() DataType

func (String) String 

func (String) String() string

func (String) ValueWithinRange 

func (String) ValueWithinRange(v any) bool

type Struct 

type Struct []Field

func (Struct) ArrayType 

func (s Struct) ArrayType() arrow.DataType

func (Struct) Clone 

func (s Struct) Clone() DataType

func (Struct) NumFields 

func (s Struct) NumFields() int

func (Struct) ValueWithinRange 

func (s Struct) ValueWithinRange(any) bool

type TemporalType 

type TemporalType interface {
	arrow.Time64 | arrow.Date32 | arrow.Timestamp
}

type Time 

type Time struct{}

func (Time) ArrayType 

func (Time) ArrayType() arrow.DataType

func (Time) Clone 

func (Time) Clone() DataType

func (Time) String 

func (Time) String() string

func (Time) ValueWithinRange 

func (Time) ValueWithinRange(v any) bool

type TimeUnit 

type TimeUnit int8
const (
	Nanoseconds TimeUnit = iota
	Microseconds
	Milliseconds
)

func (TimeUnit) String 

func (i TimeUnit) String() string

func (TimeUnit) ToArrow 

func (t TimeUnit) ToArrow() arrow.TimeUnit

type Uint16 

type Uint16 = primitiveType[uint16]

type Uint32 

type Uint32 = primitiveType[uint32]

type Uint64 

type Uint64 = primitiveType[uint64]

type Uint8 

type Uint8 = primitiveType[uint8]

type Unknown 

type Unknown struct{}

func (Unknown) ArrayType 

func (Unknown) ArrayType() arrow.DataType

func (Unknown) Clone 

func (Unknown) Clone() DataType

func (Unknown) String 

func (Unknown) String() string

func (Unknown) ValueWithinRange 

func (Unknown) ValueWithinRange(any) bool

type UnsignedIntegerType 

type UnsignedIntegerType interface {
	uint8 | uint16 | uint32 | uint64
}

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