value

package
v3.25.0 Latest Latest
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 Go to latest Published: May 6, 2022 License: Apache-2.0 Imports: 5 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source 
var VoidValue = Value{
	// contains filtered or unexported fields
}

Functions

func BigEndianUint128 

func BigEndianUint128(hi, lo uint64) (v [16]byte)

BigEndianUint128 builds a big-endian uint128 value.

func PrimitiveFromYDB 

func PrimitiveFromYDB(x *Ydb.Value) (v interface{})

PrimitiveFromYDB returns a primitive value stored in x. Currently it may return one of this types: 

bool
int32
uint32
int64
uint64
float32
float64
[]byte
string
[16]byte

Or nil.

func ToYDB 

func ToYDB(v V) *Ydb.TypedValue

func TypeToYDB 

func TypeToYDB(t T) *Ydb.Type

func TypesEqual 

func TypesEqual(a, b T) bool

func WriteTypeStringTo 

func WriteTypeStringTo(buf *bytes.Buffer, t T)

func WriteValueStringTo 

func WriteValueStringTo(buf *bytes.Buffer, v V)

Types

type DecimalType 

type DecimalType struct {
	Precision uint32
	Scale     uint32
}

func (DecimalType) String 

func (d DecimalType) String() string

type DictType 

type DictType struct {
	Key     T
	Payload T
}

func (DictType) String 

func (d DictType) String() string

type ListType 

type ListType struct {
	T T
}

ListType wraps proto message List TODO prepare toYDB() calls in constructors as an optimization. nolint:godox

func (ListType) String 

func (l ListType) String() string

type OptionalType 

type OptionalType struct {
	T T
}

func (OptionalType) String 

func (opt OptionalType) String() string

type PrimitiveType 

type PrimitiveType int
const (
	TypeUnknown PrimitiveType = iota
	TypeBool
	TypeInt8
	TypeUint8
	TypeInt16
	TypeUint16
	TypeInt32
	TypeUint32
	TypeInt64
	TypeUint64
	TypeFloat
	TypeDouble
	TypeDate
	TypeDatetime
	TypeTimestamp
	TypeInterval
	TypeTzDate
	TypeTzDatetime
	TypeTzTimestamp
	TypeString
	TypeUTF8
	TypeYSON
	TypeJSON
	TypeUUID
	TypeJSONDocument
	TypeDyNumber
)

Primitive TypesFromYDB known by YDB.

func (PrimitiveType) String 

func (t PrimitiveType) String() string

type StructField 

type StructField struct {
	Name string
	Type T
}

func StructFields 

func StructFields(ms []*Ydb.StructMember) []StructField

type StructType 

type StructType struct {
	Fields []StructField
}

func (StructType) Empty 

func (s StructType) Empty() bool

func (StructType) Members 

func (s StructType) Members() []*Ydb.StructMember

func (StructType) String 

func (s StructType) String() string

type StructValueProto 

type StructValueProto struct {
	Fields []StructField
	Values []*Ydb.Value
}

func (*StructValueProto) Add 

func (s *StructValueProto) Add(name string, value V)

type T 

type T interface {
	String() string
	// contains filtered or unexported methods
}

func Dict 

func Dict(key, payload T) T

func TypeFromYDB 

func TypeFromYDB(x *Ydb.Type) T

func TypesFromYDB 

func TypesFromYDB(es []*Ydb.Type) []T

type TupleType 

type TupleType struct {
	Elems []T
}

func (TupleType) Elements 

func (t TupleType) Elements() []*Ydb.Type

func (TupleType) Empty 

func (t TupleType) Empty() bool

func (TupleType) String 

func (t TupleType) String() string

type V 

type V interface {
	ToYDB() *Ydb.TypedValue
	String() string
	// contains filtered or unexported methods
}

func FromYDB 

func FromYDB(t *Ydb.Type, v *Ydb.Value) V

type Value 

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

func BoolValue 

func BoolValue(v bool) Value

func DateValue 

func DateValue(v uint32) Value

func DatetimeValue 

func DatetimeValue(v uint32) Value

func DecimalValue 

func DecimalValue(t T, v [16]byte) Value

func DictValue 

func DictValue(n int, it func(int) V) Value

func DoubleValue 

func DoubleValue(v float64) Value

func DyNumberValue 

func DyNumberValue(v string) Value

func FloatValue 

func FloatValue(v float32) Value

func Int16Value 

func Int16Value(v int16) Value

func Int32Value 

func Int32Value(v int32) Value

func Int64Value 

func Int64Value(v int64) Value

func Int8Value 

func Int8Value(v int8) Value

func IntervalValue 

func IntervalValue(v int64) Value

func JSONDocumentValue 

func JSONDocumentValue(v string) Value

func JSONValue 

func JSONValue(v string) Value

func ListValue 

func ListValue(n int, it func(int) V) Value

It panics if vs is empty or contains not equal types.

func NullValue 

func NullValue(t T) Value

NullValue returns NULL value of given types T.

For example, if T is Int32Type, then NullValue(Int32Type) will return value of types Optional<Int32Type> with NULL value.

Nested optional types are handled also.

func OptionalValue 

func OptionalValue(v V) Value

func StringValue 

func StringValue(v []byte) Value

func StructValue 

func StructValue(p *StructValueProto) Value

func TimestampValue 

func TimestampValue(v uint64) Value

func TupleValue 

func TupleValue(n int, it func(int) V) Value

func TzDateValue 

func TzDateValue(v string) Value

func TzDatetimeValue 

func TzDatetimeValue(v string) Value

func TzTimestampValue 

func TzTimestampValue(v string) Value

func UTF8Value 

func UTF8Value(v string) Value

func UUIDValue 

func UUIDValue(v [16]byte) Value

func Uint16Value 

func Uint16Value(v uint16) Value

func Uint32Value 

func Uint32Value(v uint32) Value

func Uint64Value 

func Uint64Value(v uint64) Value

func Uint8Value 

func Uint8Value(v uint8) Value

func VariantValue 

func VariantValue(x V, i uint32, t T) Value

func YSONValue 

func YSONValue(v string) Value

func ZeroValue 

func ZeroValue(t T) Value

func (Value) String 

func (v Value) String() string

func (Value) ToYDB 

func (v Value) ToYDB() *Ydb.TypedValue

type VariantType 

type VariantType struct {
	S StructType
	T TupleType
}

func (VariantType) String 

func (v VariantType) String() string

type VoidType 

type VoidType struct{}

func (VoidType) String 

func (v VoidType) String() string

Source Files

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