[−][src]Enum amadeus::data::Decimal
Rust representation for Decimal values.
This is not a representation of Parquet physical type, but rather a wrapper for DECIMAL logical type, and serves as container for raw parts of decimal values: unscaled value in bytes, precision and scale.
Variants
Decimal backed by i32
.
Decimal backed by i64
.
Decimal backed by byte array.
Implementations
impl Decimal
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pub fn from_bytes(value: Vec<u8>, precision: i32, scale: i32) -> Decimal
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Creates new decimal value from Vec<u8>
.
pub fn data(&self) -> &[u8]ⓘ
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Returns bytes of unscaled value.
pub fn precision(&self) -> i32
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Returns decimal precision.
pub fn scale(&self) -> i32
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Returns decimal scale.
Trait Implementations
impl AmadeusOrd for Decimal
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fn amadeus_cmp(&self, other: &Decimal) -> Ordering
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impl Clone for Decimal
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impl Data for Decimal
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type Vec = Vec<Decimal>
type DynamicType = ()
fn new_vec(_type: <Decimal as Data>::DynamicType) -> <Decimal as Data>::Vec
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impl Data for Decimal
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fn cast<D: Data>(self) -> Result<D, CastError>
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fn eq<D: Data>(self, other: D) -> bool
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fn partial_cmp<D: Data>(self, other: D) -> Option<Ordering>
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fn hash<H: Hasher>(self, state: &mut H)
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impl Debug for Decimal
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impl<'de> Deserialize<'de> for Decimal
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fn deserialize<__D>(
__deserializer: __D
) -> Result<Decimal, <__D as Deserializer<'de>>::Error> where
__D: Deserializer<'de>,
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__deserializer: __D
) -> Result<Decimal, <__D as Deserializer<'de>>::Error> where
__D: Deserializer<'de>,
impl Display for Decimal
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impl DowncastFrom<Value> for Decimal
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fn downcast_from(self_: Value) -> Result<Decimal, DowncastError>
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impl Eq for Decimal
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impl From<Decimal> for Value
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impl FromStr for Decimal
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type Err = ParseDecimalError
The associated error which can be returned from parsing.
fn from_str(_s: &str) -> Result<Decimal, <Decimal as FromStr>::Err>
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impl Hash for Decimal
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fn hash<__H>(&self, state: &mut __H) where
__H: Hasher,
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__H: Hasher,
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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H: Hasher,
impl Ord for Decimal
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fn cmp(&self, other: &Decimal) -> Ordering
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#[must_use]fn max(self, other: Self) -> Self
1.21.0[src]
#[must_use]fn min(self, other: Self) -> Self
1.21.0[src]
#[must_use]fn clamp(self, min: Self, max: Self) -> Self
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impl ParquetData for Decimal
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type Schema = DecimalSchema
type Reader = impl Reader<Item = Decimal>
type Predicate = Predicate
fn parse(
schema: &Type,
_predicate: Option<&<Decimal as ParquetData>::Predicate>,
repetition: Option<Repetition>
) -> Result<(String, <Decimal as ParquetData>::Schema), ParquetError>
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schema: &Type,
_predicate: Option<&<Decimal as ParquetData>::Predicate>,
repetition: Option<Repetition>
) -> Result<(String, <Decimal as ParquetData>::Schema), ParquetError>
fn reader(
schema: &<Decimal as ParquetData>::Schema,
path: &mut Vec<String>,
def_level: i16,
rep_level: i16,
paths: &mut HashMap<ColumnPath, ColumnReader, RandomState>,
batch_size: usize
) -> <Decimal as ParquetData>::Reader
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schema: &<Decimal as ParquetData>::Schema,
path: &mut Vec<String>,
def_level: i16,
rep_level: i16,
paths: &mut HashMap<ColumnPath, ColumnReader, RandomState>,
batch_size: usize
) -> <Decimal as ParquetData>::Reader
impl PartialEq<Decimal> for Decimal
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impl PartialEq<Decimal> for Value
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impl PartialOrd<Decimal> for Decimal
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fn partial_cmp(&self, other: &Decimal) -> Option<Ordering>
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fn lt(&self, other: &Decimal) -> bool
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fn le(&self, other: &Decimal) -> bool
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fn gt(&self, other: &Decimal) -> bool
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fn ge(&self, other: &Decimal) -> bool
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impl PostgresData for Decimal
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fn query(f: &mut Formatter, name: Option<&Names>) -> Result<(), Error>
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fn decode(
_type_: &Type,
_buf: Option<&[u8]>
) -> Result<Decimal, Box<dyn Error + 'static + Sync + Send>>
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_type_: &Type,
_buf: Option<&[u8]>
) -> Result<Decimal, Box<dyn Error + 'static + Sync + Send>>
impl SerdeData for Decimal
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fn serialize<S>(
&self,
serializer: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where
S: Serializer,
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&self,
serializer: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where
S: Serializer,
fn deserialize<'de, D>(
deserializer: D,
_schema: Option<SchemaIncomplete>
) -> Result<Decimal, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,
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deserializer: D,
_schema: Option<SchemaIncomplete>
) -> Result<Decimal, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,
impl Serialize for Decimal
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fn serialize<__S>(
&self,
__serializer: __S
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error> where
__S: Serializer,
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&self,
__serializer: __S
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error> where
__S: Serializer,
Auto Trait Implementations
impl RefUnwindSafe for Decimal
impl Send for Decimal
impl Sync for Decimal
impl Unpin for Decimal
impl UnwindSafe for Decimal
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Any for T where
T: Any + Serialize + Deserialize,
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T: Any + Serialize + Deserialize,
fn as_any(&self) -> &(dyn Any + 'static)
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
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fn into_any(self: Box<T>) -> Box<dyn Any + 'static>
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Debug for T where
T: Debug + Serialize + Deserialize + ?Sized,
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T: Debug + Serialize + Deserialize + ?Sized,
impl<T> Deserialize for T where
T: DeserializeOwned,
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T: DeserializeOwned,
impl<T> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,
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T: for<'de> Deserialize<'de>,
impl<T> Display for T where
T: Display + Serialize + Deserialize + ?Sized,
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T: Display + Serialize + Deserialize + ?Sized,
impl<A, B> Downcast<A> for B where
A: DowncastFrom<B>,
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A: DowncastFrom<B>,
fn downcast(self) -> Result<A, DowncastError>
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impl<Q, K> Equivalent<K> for Q where
K: Borrow<Q> + ?Sized,
Q: Eq + ?Sized,
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K: Borrow<Q> + ?Sized,
Q: Eq + ?Sized,
fn equivalent(&self, key: &K) -> bool
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ProcessSend for T where
T: Send + Serialize + for<'de> Deserialize<'de> + ?Sized,
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T: Send + Serialize + for<'de> Deserialize<'de> + ?Sized,
impl<T> Same<T> for T
type Output = T
Should always be Self
impl<T> Sealed<T> for T where
T: ?Sized,
T: ?Sized,
impl<T> Serialize for T where
T: Serialize + ?Sized,
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T: Serialize + ?Sized,
impl<T> Serialize for T where
T: Serialize + ?Sized,
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T: Serialize + ?Sized,
fn erased_serialize(&self, serializer: &mut dyn Serializer) -> Result<Ok, Error>
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Type for T where
T: ?Sized,
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T: ?Sized,
default fn meta(self: *const T) -> <T as Type>::Meta
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default fn data(self: *const T) -> *const ()
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default fn data_mut(self: *mut T) -> *mut ()
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default fn dangling(t: <T as Type>::Meta) -> NonNull<T>
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default fn fatten(thin: *mut (), t: <T as Type>::Meta) -> *mut T
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const METATYPE: MetaType
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type Meta: 'static
fn meta_type(self: *const Self) -> MetaType
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impl<T> Type for T
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const METATYPE: MetaType
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type Meta = Concrete
Type of metadata for type.
fn meta(self: *const T) -> <T as Type>::Meta
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fn data(self: *const T) -> *const ()
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fn data_mut(self: *mut T) -> *mut ()
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fn dangling(_t: <T as Type>::Meta) -> NonNull<T>
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fn fatten(thin: *mut (), _t: <T as Type>::Meta) -> *mut T
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fn meta_type(self: *const Self) -> MetaType
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,