Struct hdbconnect::PreparedStatement

pub struct PreparedStatement { /* fields omitted */ }

Allows injection-safe SQL execution and repeated calls of the same statement with different parameters with as few roundtrips as possible.

Methods

impl PreparedStatement

pub fn parameter_descriptors(&self) -> Option<&Vec<ParameterDescriptor>>

Descriptors of the parameters of the prepared statement, if any.

pub fn add_batch<T: Serialize>(&mut self, input: &T) -> HdbResult<()>

Converts the input into a row of parameters for the batch, if it is consistent with the metadata.

pub fn execute_batch(&mut self) -> HdbResult<HdbResponse>

Executes the statement with the collected batch, and clears the batch.

pub fn set_auto_commit(&mut self, ac: bool) -> HdbResult<()>

Sets the auto-commit of the prepared statement's connection for future calls.

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 all server-side ressources that belong to this prepared statement.