pgrx_pg_sys

Function create_merge_append_path

Source 
pub unsafe fn create_merge_append_path(
    arg_root: *mut PlannerInfo,
    arg_rel: *mut RelOptInfo,
    arg_subpaths: *mut List,
    arg_pathkeys: *mut List,
    arg_required_outer: Relids,
) -> *mut MergeAppendPath