Type

Enum Type 

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pub enum Type {
Show 27 variants Boolean, Float4, Float8, Int1, Int2, Int4, Int8, Int16, Utf8, Uint1, Uint2, Uint4, Uint8, Uint16, Date, DateTime, Time, Duration, IdentityId, Uuid4, Uuid7, Blob, Int, Uint, Decimal, Undefined, Any,
}
Expand description

All possible RQL data types

Variants§

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Boolean

A boolean: true or false.

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Float4

A 4-byte floating point

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Float8

An 8-byte floating point

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Int1

A 1-byte signed integer

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Int2

A 2-byte signed integer

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Int4

A 4-byte signed integer

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Int8

An 8-byte signed integer

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Int16

A 16-byte signed integer

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Utf8

A UTF-8 encoded text.

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Uint1

A 1-byte unsigned integer

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Uint2

A 2-byte unsigned integer

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Uint4

A 4-byte unsigned integer

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Uint8

A 8-byte unsigned integer

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Uint16

A 16-byte unsigned integer

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Date

A date value (year, month, day)

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DateTime

A date and time value with nanosecond precision in SVTC

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Time

A time value (hour, minute, second, nanosecond)

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Duration

A duration representing a duration

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IdentityId

An identity identifier (UUID v7)

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Uuid4

A UUID version 4 (random)

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Uuid7

A UUID version 7 (timestamp-based)

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Blob

A binary large object (BLOB)

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Int

An arbitrary-precision signed integer

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Uint

An arbitrary-precision unsigned integer

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Decimal

An arbitrary-precision decimal with precision and scale

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Undefined

Value is not defined (think null in common programming languages)

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Any

A container that can hold any value type

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impl Type

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pub fn promote(left: Type, right: Type) -> Type

Promote two Types to a common supertype, similar to Postgres expression evaluation.

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impl Type

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pub fn is_number(&self) -> bool

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pub fn is_bool(&self) -> bool

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pub fn is_signed_integer(&self) -> bool

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pub fn is_unsigned_integer(&self) -> bool

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pub fn is_integer(&self) -> bool

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pub fn is_floating_point(&self) -> bool

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pub fn is_utf8(&self) -> bool

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pub fn is_temporal(&self) -> bool

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pub fn is_uuid(&self) -> bool

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pub fn is_blob(&self) -> bool

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impl Type

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pub fn to_u8(&self) -> u8

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impl Type

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pub fn from_u8(value: u8) -> Self

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impl Type

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pub fn size(&self) -> usize

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pub fn alignment(&self) -> usize

Trait Implementations§

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impl Clone for Type

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fn clone(&self) -> Type

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

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

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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 Type

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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 Display for Type

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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<&Value> for Type

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fn from(value: &Value) -> Self

Converts to this type from the input type.
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impl FromStr for Type

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type Err = ()

The associated error which can be returned from parsing.
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fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more
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impl Hash for Type

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for Type

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fn cmp(&self, other: &Type) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl PartialEq for Type

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fn eq(&self, other: &Type) -> 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 PartialOrd for Type

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fn partial_cmp(&self, other: &Type) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Serialize for Type

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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 Copy for Type

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impl Eq for Type

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impl StructuralPartialEq for Type

Auto Trait Implementations§

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impl Freeze for Type

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impl RefUnwindSafe for Type

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impl Send for Type

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impl Sync for Type

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impl Unpin for Type

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impl UnwindSafe for Type

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> 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> 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> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<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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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,