Enum Param 

pub enum Param {
    Null,
    Integer(i64),
    Real(f64),
    Text(String),
    Blob(Vec<u8>),
    StmtOutputIndexed(usize, usize),
    StmtOutputNamed(usize, Cow<'static, str>),
}

Available on crate feature sqlite and (crate features cache or sqlite) only.

Variants

Null

The value is a NULL value.

Integer(i64)

The value is a signed integer.

Real(f64)

The value is a floating point number.

Text(String)

The value is a text string.

Blob(Vec<u8>)

The value is a blob of data

StmtOutputIndexed(usize, usize)

The value is a variable referencing the first row of a previous statement in a transaction. The key is the statement index and a column index.

StmtOutputNamed(usize, Cow<'static, str>)

The value is a variable referencing the first row of a previous statement in a transaction. The key is the statement index and a column name.

Trait Implementations

impl Clone for Param

fn clone(&self) -> Param

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Param

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Param

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<T> From<&Option<T>> for Param

where T: Clone + Into<Param>,

fn from(v: &Option<T>) -> Param

Converts to this type from the input type.

impl From<&String> for Param

fn from(s: &String) -> Param

Converts to this type from the input type.

impl From<&Url> for Param

fn from(value: &Url) -> Self

Converts to this type from the input type.

impl From<&Uuid> for Param

fn from(id: &Uuid) -> Param

Converts to this type from the input type.

impl<const S: char> From<&VecText<S>> for Param

fn from(value: &VecText<S>) -> Self

Converts to this type from the input type.

impl From<&[u8]> for Param

fn from(v: &[u8]) -> Param

Converts to this type from the input type.

impl From<&str> for Param

fn from(s: &str) -> Param

Converts to this type from the input type.

impl From<DateTime<FixedOffset>> for Param

fn from(value: DateTime<FixedOffset>) -> Self

Date and time with time zone => RFC3339 timestamp (“YYYY-MM-DD HH:MM:SS.SSS[+-]HH:MM”)

impl From<DateTime<Local>> for Param

fn from(value: DateTime<Local>) -> Self

Local time => UTC RFC3339 timestamp (“YYYY-MM-DD HH:MM:SS.SSS+00:00”)

impl From<DateTime<Utc>> for Param

fn from(value: DateTime<Utc>) -> Self

UTC time => UTC RFC3339 timestamp (“YYYY-MM-DD HH:MM:SS.SSS+00:00”)

impl From<NaiveDate> for Param

fn from(value: NaiveDate) -> Self

ISO 8601 calendar date without timezone => “YYYY-MM-DD”

impl From<NaiveDateTime> for Param

fn from(value: NaiveDateTime) -> Self

ISO 8601 combined date and time without timezone => “YYYY-MM-DD HH:MM:SS.SSS”

impl From<NaiveTime> for Param

fn from(value: NaiveTime) -> Self

ISO 8601 time without timezone => “HH:MM:SS.SSS”

impl From<Null> for Param

fn from(_: Null) -> Param

Converts to this type from the input type.

impl<T> From<Option<T>> for Param

where T: Into<Param>,

fn from(v: Option<T>) -> Param

Converts to this type from the input type.

impl From<StmtColumn<&'static str>> for Param

fn from(value: StmtColumn<&'static str>) -> Self

Converts to this type from the input type.

impl From<StmtColumn<String>> for Param

fn from(value: StmtColumn<String>) -> Self

Converts to this type from the input type.

impl From<StmtColumn<usize>> for Param

fn from(value: StmtColumn<usize>) -> Self

Converts to this type from the input type.

impl From<String> for Param

fn from(s: String) -> Param

Converts to this type from the input type.

impl From<Url> for Param

fn from(value: Url) -> Self

Converts to this type from the input type.

impl From<Uuid> for Param

fn from(id: Uuid) -> Param

Converts to this type from the input type.

impl From<Value> for Param

fn from(value: Value) -> Self

Converts to this type from the input type.

impl From<Vec<u8>> for Param

fn from(v: Vec<u8>) -> Param

Converts to this type from the input type.

impl<const S: char> From<VecText<S>> for Param

fn from(value: VecText<S>) -> Self

Converts to this type from the input type.

impl From<bool> for Param

fn from(i: bool) -> Param

Converts to this type from the input type.

impl From<f32> for Param

fn from(f: f32) -> Param

Converts to this type from the input type.

impl From<f64> for Param

fn from(f: f64) -> Param

Converts to this type from the input type.

impl From<i8> for Param

fn from(i: i8) -> Param

Converts to this type from the input type.

impl From<i16> for Param

fn from(i: i16) -> Param

Converts to this type from the input type.

impl From<i32> for Param

fn from(i: i32) -> Param

Converts to this type from the input type.

impl From<i64> for Param

fn from(i: i64) -> Param

Converts to this type from the input type.

impl From<isize> for Param

fn from(i: isize) -> Param

Converts to this type from the input type.

impl From<u8> for Param

fn from(i: u8) -> Param

Converts to this type from the input type.

impl From<u16> for Param

fn from(i: u16) -> Param

Converts to this type from the input type.

impl From<u32> for Param

fn from(i: u32) -> Param

Converts to this type from the input type.

impl PartialEq for Param

fn eq(&self, other: &Param) -> 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 Serialize for Param

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Param