Function values_schema_in_scope 

pub fn values_schema_in_scope(
    routines: &dyn RoutineResolution,
    rows: &[Vec<ScalarExpr>],
    subqueries: &[QueryPlan],
    schema: Option<&RowSchema>,
    params: &[SQLParam],
    ctes: &BindingContext<'_>,
) -> Result<RowSchema, SQLError>

Preserve the complete analyzed VALUES output metadata for physical execution.