Struct cassandra_cpp::PreparedStatement

pub struct PreparedStatement(_, _);

A statement that has been prepared against at least one Cassandra node. Instances of this class should not be created directly, but through Session.prepare().

Implementations

impl PreparedStatement

pub fn bind(&self) -> Statement

Creates a bound statement from a pre-prepared statement.

pub fn session(&self) -> &Session

Returns the session of which this prepared statement is bound to.

pub fn parameter_name(&self, index: usize) -> Result<&str>

Gets the name of a parameter at the specified index.

pub fn parameter_data_type(&self, index: usize) -> ConstDataType

Gets the data type of a parameter at the specified index.

Returns a reference to the data type of the parameter. Do not free this reference as it is bound to the lifetime of the prepared.

pub fn parameter_data_type_by_name(&self, name: &str) -> ConstDataType

Gets the data type of a parameter for the specified name.

Returns a reference to the data type of the parameter. Do not free this reference as it is bound to the lifetime of the prepared.

Trait Implementations

impl Debug for PreparedStatement

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

Formats the value using the given formatter.

impl Drop for PreparedStatement

fn drop(&mut self)

Frees a prepared statement

impl Send for PreparedStatement

impl Sync for PreparedStatement