Enum ConcreteDataType

pub enum ConcreteDataType {
Show 25 variants    Null(NullType),
    Boolean(BooleanType),
    Int8(Int8Type),
    Int16(Int16Type),
    Int32(Int32Type),
    Int64(Int64Type),
    UInt8(UInt8Type),
    UInt16(UInt16Type),
    UInt32(UInt32Type),
    UInt64(UInt64Type),
    Float32(Float32Type),
    Float64(Float64Type),
    Decimal128(Decimal128Type),
    Binary(BinaryType),
    String(StringType),
    Date(DateType),
    DateTime(DateTimeType),
    Timestamp(TimestampType),
    Time(TimeType),
    Duration(DurationType),
    Interval(IntervalType),
    List(ListType),
    Dictionary(DictionaryType),
    Json(JsonType),
    Vector(VectorType),
}

Variants§

§

Vector(VectorType)

Implementations§

§

impl ConcreteDataType

pub fn is_float(&self) -> bool

pub fn is_boolean(&self) -> bool

pub fn is_string(&self) -> bool

pub fn is_stringifiable(&self) -> bool

pub fn is_signed(&self) -> bool

pub fn is_unsigned(&self) -> bool

pub fn is_numeric(&self) -> bool

pub fn is_timestamp(&self) -> bool

pub fn is_decimal(&self) -> bool

pub fn is_json(&self) -> bool

pub fn is_vector(&self) -> bool

pub fn numerics() -> Vec<ConcreteDataType>

pub fn unsigned_integers() -> Vec<ConcreteDataType>

pub fn timestamps() -> Vec<ConcreteDataType>

pub fn from_arrow_type(dt: &DataType) -> ConcreteDataType

Convert arrow data type to ConcreteDataType.

§Panics

Panic if given arrow data type is not supported.

pub fn is_null(&self) -> bool

pub fn as_list(&self) -> Option<&ListType>

Try to cast the type as a [ListType].

pub fn as_timestamp(&self) -> Option<TimestampType>

Try to cast data type as a [TimestampType].

pub fn numeric_precision(&self) -> Option<u8>

Try to get numeric precision, returns None if it’s not numeric type

pub fn numeric_scale(&self) -> Option<i8>

Try to get numeric scale, returns None if it’s float or not numeric type

pub fn as_time(&self) -> Option<TimeType>

Try to cast data type as a [TimeType].

pub fn as_decimal128(&self) -> Option<Decimal128Type>

pub fn as_json(&self) -> Option<JsonType>

pub fn as_vector(&self) -> Option<VectorType>

pub fn can_arrow_type_cast_to(&self, to_type: &ConcreteDataType) -> bool

Checks if the data type can cast to another data type.

pub fn as_duration(&self) -> Option<DurationType>

Try to cast data type as a [DurationType].

§

impl ConcreteDataType

pub fn null_datatype() -> ConcreteDataType

pub fn boolean_datatype() -> ConcreteDataType

pub fn uint8_datatype() -> ConcreteDataType

pub fn uint16_datatype() -> ConcreteDataType

pub fn uint32_datatype() -> ConcreteDataType

pub fn uint64_datatype() -> ConcreteDataType

pub fn int8_datatype() -> ConcreteDataType

pub fn int16_datatype() -> ConcreteDataType

pub fn int32_datatype() -> ConcreteDataType

pub fn int64_datatype() -> ConcreteDataType

pub fn float32_datatype() -> ConcreteDataType

pub fn float64_datatype() -> ConcreteDataType

pub fn binary_datatype() -> ConcreteDataType

pub fn date_datatype() -> ConcreteDataType

pub fn datetime_datatype() -> ConcreteDataType

pub fn string_datatype() -> ConcreteDataType

pub fn json_datatype() -> ConcreteDataType

§

impl ConcreteDataType

pub fn timestamp_second_datatype() -> ConcreteDataType

pub fn timestamp_millisecond_datatype() -> ConcreteDataType

pub fn timestamp_microsecond_datatype() -> ConcreteDataType

pub fn timestamp_nanosecond_datatype() -> ConcreteDataType

pub fn time_datatype(unit: TimeUnit) -> ConcreteDataType

Returns the time data type with TimeUnit.

pub fn time_second_datatype() -> ConcreteDataType

Creates a [Time(TimeSecondType)] datatype.

pub fn time_millisecond_datatype() -> ConcreteDataType

Creates a [Time(TimeMillisecondType)] datatype.

pub fn time_microsecond_datatype() -> ConcreteDataType

Creates a [Time(TimeMicrosecond)] datatype.

pub fn time_nanosecond_datatype() -> ConcreteDataType

Creates a [Time(TimeNanosecond)] datatype.

pub fn duration_second_datatype() -> ConcreteDataType

Creates a [Duration(DurationSecondType)] datatype.

pub fn duration_millisecond_datatype() -> ConcreteDataType

Creates a [Duration(DurationMillisecondType)] datatype.

pub fn duration_microsecond_datatype() -> ConcreteDataType

Creates a [Duration(DurationMicrosecondType)] datatype.

pub fn duration_nanosecond_datatype() -> ConcreteDataType

Creates a [Duration(DurationNanosecondType)] datatype.

pub fn interval_month_day_nano_datatype() -> ConcreteDataType

Creates a [Interval(IntervalMonthDayNanoType)] datatype.

pub fn interval_year_month_datatype() -> ConcreteDataType

Creates a [Interval(IntervalYearMonthType)] datatype.

pub fn interval_day_time_datatype() -> ConcreteDataType

Creates a [Interval(IntervalDayTimeType)] datatype.

pub fn timestamp_datatype(unit: TimeUnit) -> ConcreteDataType

pub fn from_arrow_time_unit(t: &TimeUnit) -> ConcreteDataType

Converts from arrow timestamp unit to

pub fn duration_datatype(unit: TimeUnit) -> ConcreteDataType

pub fn interval_datatype(unit: IntervalUnit) -> ConcreteDataType

pub fn from_arrow_interval_unit(u: &IntervalUnit) -> ConcreteDataType

pub fn list_datatype(item_type: ConcreteDataType) -> ConcreteDataType

pub fn dictionary_datatype( key_type: ConcreteDataType, value_type: ConcreteDataType, ) -> ConcreteDataType

pub fn decimal128_datatype(precision: u8, scale: i8) -> ConcreteDataType

pub fn decimal128_default_datatype() -> ConcreteDataType

pub fn vector_datatype(dim: u32) -> ConcreteDataType

pub fn vector_default_datatype() -> ConcreteDataType

Trait Implementations§

§

impl Clone for ConcreteDataType

§

fn clone(&self) -> ConcreteDataType

Returns a copy of the value. Read more

1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

§

impl DataType for ConcreteDataType

§

fn name(&self) -> String

Name of this data type.

§

fn logical_type_id(&self) -> LogicalTypeId

Returns id of the Logical data type.

§

fn default_value(&self) -> Value

Returns the default value of this type.

§

fn as_arrow_type(&self) -> DataType

Convert this type as [arrow::datatypes::DataType].

§

fn create_mutable_vector( &self, __enum_dispatch_arg_0: usize, ) -> Box<dyn MutableVector>

Creates a mutable vector with given capacity of this type.

§

fn try_cast(&self, __enum_dispatch_arg_0: Value) -> Option<Value>

Casts the value to specific DataType. Return None if cast failed.

§

impl Debug for ConcreteDataType

§

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

§

impl<'de> Deserialize<'de> for ConcreteDataType

§

fn deserialize<D>( deserializer: D, ) -> Result<ConcreteDataType, <D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

§

impl Display for ConcreteDataType

§

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

§