[C++] Kernel functions for determining monotonicity (ascending or descending) for well-ordered types

[asfimport]

These kernels must offer some stateful variant so that monotonicity can be determined across chunked arrays

Reporter: Wes McKinney / @wesm

Related issues:

• [C++] C++ array kernels framework and execution buildout (umbrella issue) (is a child of)

PRs and other links:

• GitHub Pull Request #11937

_{Note: This issue was originally created as ARROW-1569. Please see the migration documentation for further details.}

[asfimport]

Wes McKinney / @wesm:
This can be implemented as a ScalarAggregateFunction. We should consider how to enable aggregate functions to short-circuit

[asfimport]

Antoine Pitrou / @pitrou:
@ianmcook What is your take on the usefulness of this?

[asfimport]

Todd Farmer / @toddfarmer:
This issue was last updated over 90 days ago, which may be an indication it is no longer being actively worked. To better reflect the current state, the issue is being unassigned. Please feel free to re-take assignment of the issue if it is being actively worked, or if you plan to start that work soon.