pub unsafe fn tuplesort_begin_index_hash(
arg_heapRel: Relation,
arg_indexRel: Relation,
arg_high_mask: uint32,
arg_low_mask: uint32,
arg_max_buckets: uint32,
arg_workMem: c_int,
arg_coordinate: SortCoordinate,
arg_randomAccess: bool,
) -> *mut Tuplesortstate