Function pgx_pg_sys::pg11_specific::heap_beginscan_sampling

pub unsafe fn heap_beginscan_sampling(
    arg_relation: Relation, 
    arg_snapshot: Snapshot, 
    arg_nkeys: c_int, 
    arg_key: ScanKey, 
    arg_allow_strat: bool, 
    arg_allow_sync: bool, 
    arg_allow_pagemode: bool
) -> HeapScanDesc