Regression: datafusion-cli can no longer run EXPLAIN ANALYZE

[alamb]

Describe the bug

datafusion-cli can no longer run EXPLAIN ANALYZE

To Reproduce

datafusion-cli -c "explain analyze select * from './parquet-testing/data/data_index_bloom_encoding_stats.parquet';"
DataFusion CLI v34.0.0
Internal error: Optimization not supported for ANALYZE.
This was likely caused by a bug in DataFusion's code and we would welcome that you file an bug report in our issue tracker

Expected behavior

I expect the query to run and produce an EXPLAIN plan annotated with output counters

Additional context

The code that makes the error appears to be https://github.com/apache/arrow-datafusion/blob/ba50a8b178eece7e79b100d0b73bdc9d6d3ec6d5/datafusion/physical-plan/src/analyze.rs#L119

I suspect this is only a datafusion-cli issue, and that it started happening after #8651 from @berkaysynnada (which now checks 'unbounded output')

[berkaysynnada]

Should we remove the panic in unbounded_output() and simply reflect its input plan's unboundedness in AnalyzeExec?

[alamb]

Should we remove the panic in unbounded_output() and simply reflect its input plan's unboundedness in AnalyzeExec?

Yes, I think that would be the best solution. I think returning Ok(false) is probably the easiest fix.