Skip to main content

PreparedQuery

Struct PreparedQuery 

Source
pub struct PreparedQuery {
    pub cql: String,
    pub parsed_query: ParsedQuery,
    pub plan: QueryPlan,
    pub parameters: Vec<ParameterMetadata>,
    /* private fields */
}
Expand description

Prepared query statement

Fields§

§cql: String

Original CQL text

§parsed_query: ParsedQuery

Parsed query

§plan: QueryPlan

Query execution plan

§parameters: Vec<ParameterMetadata>

Parameter metadata

Implementations§

Source§

impl PreparedQuery

Source

pub fn new( parsed_query: ParsedQuery, plan: QueryPlan, executor: Arc<QueryExecutor>, ) -> Self

Create a new prepared query

Source

pub async fn execute(&self, params: &[Value]) -> Result<QueryResult>

Execute the prepared query with parameters

Source

pub async fn execute_named( &self, params: &HashMap<String, Value>, ) -> Result<QueryResult>

Execute with named parameters

Source

pub async fn execute_with_context( &self, context: &PreparedContext, ) -> Result<QueryResult>

Execute with execution context

Source

pub fn parameters(&self) -> &[ParameterMetadata]

Get parameter metadata

Source

pub fn cql(&self) -> &str

Get CQL text

Source

pub fn plan(&self) -> &QueryPlan

Get query plan

Source

pub fn stats(&self) -> PreparedQueryStats

Get query statistics

Source

pub fn is_cache_friendly(&self) -> bool

Check if query is cache-friendly

Trait Implementations§

Source§

impl Debug for PreparedQuery

Source§

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

Source§

impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T> Pointable for T

Source§

const ALIGN: usize

The alignment of pointer.
Source§

type Init = T

The type for initializers.
Source§

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
Source§

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
Source§

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
Source§

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
Source§

impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.