Struct PreparedStatement 

pub struct PreparedStatement<T> { /* private fields */ }

Available on crate feature flight-sql only.

A PreparedStatement

Implementations

impl PreparedStatement<Channel>

pub async fn execute(&mut self) -> Result<FlightInfo, ArrowError>

Executes the prepared statement query on the server.

pub async fn execute_update(&mut self) -> Result<i64, ArrowError>

Executes the prepared statement update query on the server.

pub fn parameter_schema(&self) -> Result<&Schema, ArrowError>

Retrieve the parameter schema from the query.

pub fn dataset_schema(&self) -> Result<&Schema, ArrowError>

Retrieve the ResultSet schema from the query.

pub fn set_parameters( &mut self, parameter_binding: RecordBatch, ) -> Result<(), ArrowError>

Set a RecordBatch that contains the parameters that will be bind.

pub async fn close(self) -> Result<(), ArrowError>

Close the prepared statement, so that this PreparedStatement can not used anymore and server can free up any resources.

Trait Implementations

impl<T: Clone> Clone for PreparedStatement<T>

fn clone(&self) -> PreparedStatement<T>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for PreparedStatement<T>

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

Formats the value using the given formatter.