Function extract_point_keys

nodedb-sql/src/planner/dml_helpers.rs:150–164

Extract point-operation keys from WHERE clause (WHERE pk = literal OR pk IN (...)).

(selection: Option<&ast::Expr>, info: &CollectionInfo)

/// Extract point-operation keys from WHERE clause (WHERE pk = literal OR pk IN (...)).
pub fn extract_point_keys(selection: Option<&ast::Expr>, info: &CollectionInfo) -> Vec<SqlValue> {
    let pk = match &info.primary_key {
        Some(pk) => pk.clone(),
        None => return Vec::new(),
    };

    let expr = match selection {
        Some(e) => e,
        None => return Vec::new(),
    };

    let mut keys = Vec::new();
    collect_pk_equalities(expr, &pk, &mut keys);
    keys
}

fn collect_pk_equalities(expr: &ast::Expr, pk: &str, keys: &mut Vec<SqlValue>) {
    match expr {