Enum RowValues

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pub enum RowValues {
    Int(i64),
    Float(f64),
    Text(String),
    Bool(bool),
    Timestamp(NaiveDateTime),
    Null,
    JSON(Value),
    Blob(Vec<u8>),
}
Expand description

Values that can be stored in a database row or used as query parameters

This enum provides a unified representation of database values across different database engines.

Variants§

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Int(i64)

Integer value (64-bit)

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Float(f64)

Floating point value (64-bit)

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Text(String)

Text/string value

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Bool(bool)

Boolean value

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Timestamp(NaiveDateTime)

Timestamp value

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Null

NULL value

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JSON(Value)

JSON value

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Blob(Vec<u8>)

Binary data

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impl RowValues

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pub fn is_null(&self) -> bool

Check if this value is NULL

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impl RowValues

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pub fn as_int(&self) -> Option<&i64>

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pub fn as_text(&self) -> Option<&str>

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pub fn as_bool(&self) -> Option<&bool>

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pub fn as_timestamp(&self) -> Option<NaiveDateTime>

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pub fn as_float(&self) -> Option<f64>

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pub fn as_blob(&self) -> Option<&[u8]>

Trait Implementations§

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impl Clone for RowValues

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fn clone(&self) -> RowValues

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 RowValues

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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 PartialEq for RowValues

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fn eq(&self, other: &RowValues) -> 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 ToSql for RowValues

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fn to_sql( &self, ty: &Type, out: &mut BytesMut, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

Converts the value of self into the binary format of the specified Postgres Type, appending it to out. Read more
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fn accepts(ty: &Type) -> bool

Determines if a value of this type can be converted to the specified Postgres Type.
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fn to_sql_checked( &self, ty: &Type, out: &mut BytesMut, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

An adaptor method used internally by Rust-Postgres. Read more
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fn encode_format(&self, _ty: &Type) -> Format

Specify the encode format
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impl StructuralPartialEq for RowValues

Auto Trait Implementations§

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> BorrowToSql for T
where T: ToSql,

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fn borrow_to_sql(&self) -> &dyn ToSql

Returns a reference to self as a ToSql trait object.
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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> 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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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current 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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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 = 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<V, T> VZip<V> for T
where V: MultiLane<T>,

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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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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more