arrow_flight::sql::metadata

Struct XdbcTypeInfo

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pub struct XdbcTypeInfo {
Show 19 fields pub type_name: String, pub data_type: XdbcDataType, pub column_size: Option<i32>, pub literal_prefix: Option<String>, pub literal_suffix: Option<String>, pub create_params: Option<Vec<String>>, pub nullable: Nullable, pub case_sensitive: bool, pub searchable: Searchable, pub unsigned_attribute: Option<bool>, pub fixed_prec_scale: bool, pub auto_increment: Option<bool>, pub local_type_name: Option<String>, pub minimum_scale: Option<i32>, pub maximum_scale: Option<i32>, pub sql_data_type: XdbcDataType, pub datetime_subcode: Option<XdbcDatetimeSubcode>, pub num_prec_radix: Option<i32>, pub interval_precision: Option<i32>,
}
Expand description

Data structure representing type information for xdbc types.

Fields§

§type_name: String

The name of the type

§data_type: XdbcDataType

The data type of the type

§column_size: Option<i32>

The column size of the type

§literal_prefix: Option<String>

The prefix of the type

§literal_suffix: Option<String>

The suffix of the type

§create_params: Option<Vec<String>>

The create parameters of the type

§nullable: Nullable

The nullability of the type

§case_sensitive: bool

Whether the type is case sensitive

§searchable: Searchable

Whether the type is searchable

§unsigned_attribute: Option<bool>

Whether the type is unsigned

§fixed_prec_scale: bool

Whether the type has fixed precision and scale

§auto_increment: Option<bool>

Whether the type is auto-incrementing

§local_type_name: Option<String>

The local type name of the type

§minimum_scale: Option<i32>

The minimum scale of the type

§maximum_scale: Option<i32>

The maximum scale of the type

§sql_data_type: XdbcDataType

The SQL data type of the type

§datetime_subcode: Option<XdbcDatetimeSubcode>

The optional datetime subcode of the type

§num_prec_radix: Option<i32>

The number precision radix of the type

§interval_precision: Option<i32>

The interval precision of the type

Trait Implementations§

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impl Clone for XdbcTypeInfo

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fn clone(&self) -> XdbcTypeInfo

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
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impl Debug for XdbcTypeInfo

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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 Default for XdbcTypeInfo

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fn default() -> XdbcTypeInfo

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FromRef<T> for T
where T: Clone,

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fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,