tuple_select_ranktuple_select_rankTupleSelectRankTupleSelectRanktuple_select_rank (Operator)

Name

tuple_select_ranktuple_select_rankTupleSelectRankTupleSelectRanktuple_select_rank — Select the element of rank n of a tuple.

Signature

Description

tuple_select_ranktuple_select_rankTupleSelectRankTupleSelectRanktuple_select_rank sorts the elements of the tuple TupleTupleTupletupletuple and returns the element of rank n in SelectedSelectedSelectedselectedselected. RankIndexRankIndexRankIndexrankIndexrank_index determines the index of the element to select. Thus, RankIndexRankIndexRankIndexrankIndexrank_index may only contain integer values (any floating point number in RankIndexRankIndexRankIndexrankIndexrank_index must represent an integer value without fraction). Indices of tuple elements start at 0, i.e. the lowest tuple element has the index 0.

Exception: Empty input tuples

If RankIndexRankIndexRankIndexrankIndexrank_index is empty, the operator returns an empty tuple.

HDevelop In-line Operation

HDevelop provides an in-line operation for tuple_select_ranktuple_select_rankTupleSelectRankTupleSelectRanktuple_select_rank, which can be used in an expression in the following syntax:

Selected := select_rank(Tuple, RankIndex)

Execution Information

• Multithreading type: independent (runs in parallel even with exclusive operators).
• Multithreading scope: global (may be called from any thread).
• Processed without parallelization.

Parameters

Alternatives

tuple_sort_indextuple_sort_indexTupleSortIndexTupleSortIndextuple_sort_index, tuple_sorttuple_sortTupleSortTupleSorttuple_sort

See also

tuple_mediantuple_medianTupleMedianTupleMediantuple_median, tuple_selecttuple_selectTupleSelectTupleSelecttuple_select

Module

Foundation