Struct PkDeletePlan 

pub struct PkDeletePlan {
    pub table_name: String,
    pub pk_columns: Vec<String>,
    pub param_to_pk_col: Vec<(usize, usize)>,
    /* private fields */
}

Cached plan for primary key DELETE statements DELETE FROM table WHERE pk_col = ? [AND pk_col2 = ? …]

This plan bypasses:

• AST cloning during parameter binding
• Schema cloning during execution
• Re-checking the DELETE pattern on every execution

At execution time, we extract PK values directly from params and call delete_by_pk_fast.

Fields

table_name: String

Table name (normalized to uppercase for case-insensitive matching)

pk_columns: Vec<String>

Primary key column names in order (for validation)

param_to_pk_col: Vec<(usize, usize)>

Mapping from parameter index (0-based) to PK column index e.g., for WHERE id = ?, this would be [(0, 0)]

Implementations

impl PkDeletePlan

pub fn new( table_name: String, pk_columns: Vec<String>, param_to_pk_col: Vec<(usize, usize)>, ) -> Self

Create a new PkDeletePlan

pub fn build_pk_values(&self, params: &[SqlValue]) -> Vec<SqlValue>

Build the PK values array from parameters

pub fn is_fast_path_valid(&self) -> Option<bool>

Get cached validation result, if available

pub fn set_fast_path_valid(&self, valid: bool) -> bool

Set validation result (can only be called once) Returns the cached value (either newly set or existing)

Trait Implementations

impl Clone for PkDeletePlan

fn clone(&self) -> PkDeletePlan

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PkDeletePlan

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

Formats the value using the given formatter.