Enum Params 

pub enum Params {
    Positional(Vec<Value>),
    Named(Vec<(String, Value)>),
}

SQL parameter container.

Variants

Positional(Vec<Value>)

Positional values mapped to ? placeholders.

Named(Vec<(String, Value)>)

Named values mapped to :name style placeholders.

Implementations

impl Params

pub fn positional(values: impl Into<Vec<Value>>) -> Self

Builds positional parameters.

pub fn named<I, K>(pairs: I) -> Self

where I: IntoIterator<Item = (K, Value)>, K: Into<String>,

Builds named parameters.

Names can be provided with or without prefix (:, @, $).

Trait Implementations

impl Clone for Params

fn clone(&self) -> Params

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Params

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Params

fn default() -> Self

Returns the “default value” for a type.

impl<const N: usize> From<[Value; N]> for Params

fn from(values: [Value; N]) -> Self

Converts to this type from the input type.

impl From<()> for Params

fn from(_: ()) -> Self

Converts to this type from the input type.

impl From<Vec<(String, Value)>> for Params

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

Converts to this type from the input type.

impl From<Vec<Value>> for Params

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

Converts to this type from the input type.

impl PartialEq for Params

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for Params