Struct QueryPlan 

pub struct QueryPlan {
    pub sql: String,
    pub params: IndexMap<String, ParamSpec>,
    pub result_type: Option<&'static str>,
    pub prebound_count: usize,
    pub dynamic_bind_count: usize,
    pub total_bind_count: usize,
    /* private fields */
}

Dialect-specific SQL and parameter metadata produced from a typed query AST.

Fields

sql: String

SQL rendered for the selected dialect.

params: IndexMap<String, ParamSpec>

Named var(...) and generated val(...) parameters in encounter order.

result_type: Option<&'static str>

Rust type name expected by a row-scanning terminal, when known.

prebound_count: usize

Number of row payload values already bound before dynamic query params.

dynamic_bind_count: usize

Number of var(...) and val(...) placeholders bound after row values.

total_bind_count: usize

Total number of placeholders in the rendered statement.

Trait Implementations

impl Clone for QueryPlan

fn clone(&self) -> QueryPlan

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueryPlan

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

Formats the value using the given formatter.