Struct PreparedStatement 

pub struct PreparedStatement {
    pub statement_id: u32,
    pub sql: String,
    pub params: Vec<ColumnDef>,
    pub columns: Vec<ColumnDef>,
}

A prepared statement with its metadata.

Holds the server-assigned statement ID and column definitions for both parameters and result columns.

Fields

statement_id: u32

Server-assigned statement ID

sql: String

SQL query (for debugging/logging)

params: Vec<ColumnDef>

Parameter column definitions

columns: Vec<ColumnDef>

Result column definitions

Implementations

impl PreparedStatement

pub fn new( statement_id: u32, sql: String, params: Vec<ColumnDef>, columns: Vec<ColumnDef>, ) -> Self

Create a new prepared statement from prepare response.

pub fn param_count(&self) -> usize

Get the number of parameters expected.

pub fn column_count(&self) -> usize

Get the number of result columns.

Trait Implementations

impl Clone for PreparedStatement

fn clone(&self) -> PreparedStatement

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PreparedStatement

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

Formats the value using the given formatter.