api::helper

Struct ColumnDataTypeWrapper

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pub struct ColumnDataTypeWrapper {
    datatype: ColumnDataType,
    datatype_ext: Option<ColumnDataTypeExtension>,
}
Expand description

ColumnDataTypeWrapper is a wrapper of ColumnDataType and ColumnDataTypeExtension. It could be used to convert with ConcreteDataType.

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§datatype: ColumnDataType§datatype_ext: Option<ColumnDataTypeExtension>

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impl ColumnDataTypeWrapper

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pub fn try_new( datatype: i32, datatype_ext: Option<ColumnDataTypeExtension>, ) -> Result<Self>

Try to create a ColumnDataTypeWrapper from i32(ColumnDataType) and ColumnDataTypeExtension.

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pub fn new( datatype: ColumnDataType, datatype_ext: Option<ColumnDataTypeExtension>, ) -> Self

Create a ColumnDataTypeWrapper from ColumnDataType and ColumnDataTypeExtension.

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pub fn datatype(&self) -> ColumnDataType

Get the ColumnDataType.

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pub fn to_parts(&self) -> (ColumnDataType, Option<ColumnDataTypeExtension>)

Get a tuple of ColumnDataType and ColumnDataTypeExtension.

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impl ColumnDataTypeWrapper

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pub fn boolean_datatype() -> ColumnDataTypeWrapper

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pub fn uint8_datatype() -> ColumnDataTypeWrapper

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pub fn uint16_datatype() -> ColumnDataTypeWrapper

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pub fn uint32_datatype() -> ColumnDataTypeWrapper

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pub fn uint64_datatype() -> ColumnDataTypeWrapper

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pub fn int8_datatype() -> ColumnDataTypeWrapper

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pub fn int16_datatype() -> ColumnDataTypeWrapper

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pub fn int32_datatype() -> ColumnDataTypeWrapper

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pub fn int64_datatype() -> ColumnDataTypeWrapper

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pub fn float32_datatype() -> ColumnDataTypeWrapper

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pub fn float64_datatype() -> ColumnDataTypeWrapper

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pub fn binary_datatype() -> ColumnDataTypeWrapper

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pub fn date_datatype() -> ColumnDataTypeWrapper

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pub fn datetime_datatype() -> ColumnDataTypeWrapper

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pub fn string_datatype() -> ColumnDataTypeWrapper

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impl ColumnDataTypeWrapper

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pub fn timestamp_second_datatype() -> ColumnDataTypeWrapper

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pub fn timestamp_millisecond_datatype() -> ColumnDataTypeWrapper

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pub fn timestamp_microsecond_datatype() -> ColumnDataTypeWrapper

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pub fn timestamp_nanosecond_datatype() -> ColumnDataTypeWrapper

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pub fn time_second_datatype() -> ColumnDataTypeWrapper

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pub fn time_millisecond_datatype() -> ColumnDataTypeWrapper

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pub fn time_microsecond_datatype() -> ColumnDataTypeWrapper

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pub fn time_nanosecond_datatype() -> ColumnDataTypeWrapper

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pub fn interval_year_month_datatype() -> ColumnDataTypeWrapper

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pub fn interval_day_time_datatype() -> ColumnDataTypeWrapper

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pub fn interval_month_day_nano_datatype() -> ColumnDataTypeWrapper

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impl ColumnDataTypeWrapper

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pub fn decimal128_datatype(precision: i32, scale: i32) -> Self

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pub fn vector_datatype(dim: u32) -> Self

Trait Implementations§

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impl Debug for ColumnDataTypeWrapper

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

Formats the value using the given formatter. Read more
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impl From<ColumnDataTypeWrapper> for ConcreteDataType

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fn from(datatype_wrapper: ColumnDataTypeWrapper) -> Self

Converts to this type from the input type.
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impl PartialEq for ColumnDataTypeWrapper

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fn eq(&self, other: &ColumnDataTypeWrapper) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl TryFrom<ConcreteDataType> for ColumnDataTypeWrapper

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(datatype: ConcreteDataType) -> Result<Self>

Performs the conversion.
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impl StructuralPartialEq for ColumnDataTypeWrapper

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