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Param

Enum Param 

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pub enum Param {
Show 23 variants Null, Bool(bool), I16(i16), I32(i32), I64(i64), F32(f32), F64(f64), Text(String), Uuid(String), Timestamp(String), NaiveTimestamp(String), Date(String), Time(String), Json(Value), Numeric(String), Bytes(Vec<u8>), TextArray(Vec<Option<String>>), UuidArray(Vec<Option<String>>), I32Array(Vec<Option<i32>>), I64Array(Vec<Option<i64>>), BoolArray(Vec<Option<bool>>), F64Array(Vec<Option<f64>>), NumericArray(Vec<Option<String>>),
}
Expand description

A bound parameter. Serializes as {"t": <tag>, "v": <value>}; Null carries no v, Bytes is base64 and non-finite floats are the strings "NaN", "Infinity" and "-Infinity".

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Null

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Bool(bool)

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I16(i16)

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I32(i32)

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I64(i64)

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F32(f32)

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F64(f64)

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Text(String)

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Uuid(String)

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Timestamp(String)

RFC 3339 with an offset.

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NaiveTimestamp(String)

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Date(String)

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Time(String)

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Json(Value)

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Numeric(String)

Exact decimal text.

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Bytes(Vec<u8>)

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TextArray(Vec<Option<String>>)

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UuidArray(Vec<Option<String>>)

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I32Array(Vec<Option<i32>>)

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I64Array(Vec<Option<i64>>)

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BoolArray(Vec<Option<bool>>)

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F64Array(Vec<Option<f64>>)

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NumericArray(Vec<Option<String>>)

Implementations§

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impl Param

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pub fn tag(&self) -> &'static str

The wire tag, which names the parameter’s kind in errors.

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impl Clone for Param

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for Param

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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<'de> Deserialize<'de> for Param

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl From<&[u8]> for Param

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fn from(value: &[u8]) -> Self

Converts to this type from the input type.
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impl From<&str> for Param

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fn from(value: &str) -> Self

Converts to this type from the input type.
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impl<T: Into<Param>> From<Option<T>> for Param

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fn from(value: Option<T>) -> Self

Converts to this type from the input type.
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impl From<String> for Param

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fn from(value: String) -> Self

Converts to this type from the input type.
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impl From<Value> for Param

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fn from(value: Value) -> Self

Converts to this type from the input type.
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impl From<Vec<&str>> for Param

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fn from(values: Vec<&str>) -> Self

Converts to this type from the input type.
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impl From<Vec<String>> for Param

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fn from(values: Vec<String>) -> Self

Converts to this type from the input type.
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impl From<Vec<i32>> for Param

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fn from(values: Vec<i32>) -> Self

Converts to this type from the input type.
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impl From<Vec<i64>> for Param

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fn from(values: Vec<i64>) -> Self

Converts to this type from the input type.
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impl From<Vec<u8>> for Param

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fn from(value: Vec<u8>) -> Self

Converts to this type from the input type.
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impl From<bool> for Param

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fn from(value: bool) -> Self

Converts to this type from the input type.
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impl From<f32> for Param

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fn from(value: f32) -> Self

Converts to this type from the input type.
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impl From<f64> for Param

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fn from(value: f64) -> Self

Converts to this type from the input type.
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impl From<i16> for Param

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fn from(value: i16) -> Self

Converts to this type from the input type.
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impl From<i32> for Param

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fn from(value: i32) -> Self

Converts to this type from the input type.
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impl From<i64> for Param

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fn from(value: i64) -> Self

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

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl Serialize for Param

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for Param

Auto Trait Implementations§

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impl Freeze for Param

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impl RefUnwindSafe for Param

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impl Send for Param

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impl Sync for Param

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impl Unpin for Param

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impl UnsafeUnpin for Param

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impl UnwindSafe for Param

Blanket 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, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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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, 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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impl<T> Same for T

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type Output = T

Should always be Self
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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
where U: Into<T>,

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type Error = !

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

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.