Function qualified_ident_pair

nodedb-sql/src/planner/ast_helpers.rs:13–20

Return `(table, column)` for a `table.col` compound identifier, or `None`.

(expr: &ast::Expr)

/// Return `(table, column)` for a `table.col` compound identifier, or `None`.
pub fn qualified_ident_pair(expr: &ast::Expr) -> Option<(String, String)> {
    match expr {
        ast::Expr::CompoundIdentifier(parts) if parts.len() == 2 => {
            Some((normalize_ident(&parts[0]), normalize_ident(&parts[1])))
        }
        _ => None,
    }
}

/// Flatten a right-leaning AND expression tree into a list of conjuncts.
pub fn flatten_and_expr(expr: &ast::Expr, out: &mut Vec<ast::Expr>) {