fn rewrite_inner_subqueries(
outer: LogicalPlan,
expr: Expr,
config: &dyn OptimizerConfig,
) -> Result<(LogicalPlan, Expr)>fn rewrite_inner_subqueries(
outer: LogicalPlan,
expr: Expr,
config: &dyn OptimizerConfig,
) -> Result<(LogicalPlan, Expr)>