Method unpack_prepared_statement_handle

arrow-flight/src/sql/client.rs:602–605

Decodes the app_metadata stored in a [`PutResult`] as a [`DoPutPreparedStatementResult`] and then returns the inner prepared statement handle as [`Bytes`]

(&self, put_result: &PutResult)

    /// [`DoPutPreparedStatementResult`] and then returns
    /// the inner prepared statement handle as [`Bytes`]
    fn unpack_prepared_statement_handle(&self, put_result: &PutResult) -> Result<Option<Bytes>> {
        let result: DoPutPreparedStatementResult = Message::decode(&*put_result.app_metadata)?;
        Ok(result.prepared_statement_handle)
    }

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