planga82 opened a new issue, #338:
URL: https://github.com/apache/datafusion-comet/issues/338

   ### What is the problem the feature request solves?
   
   Add all statistics HashJoinExec datafusion node provides.
   
   ### Describe the potential solution
   
   Override metrics map in CometBroadcastHashJoin to provide all available 
metrics
   
   ### Additional context
   
   **Current metrics:**
   ```
   output_rows
   Elapsed_compute
   ```
   **All available metrics**
   ```
   /// Total time for collecting build-side of join
   pub(crate) build_time: metrics::Time
   /// Number of batches consumed by build-side
   pub(crate) build_input_batches: metrics::Count,
   /// Number of rows consumed by build-side
   pub(crate) build_input_rows: metrics::Count,
   /// Memory used by build-side in bytes
   pub(crate) build_mem_used: metrics::Gauge,
   /// Total time for joining probe-side batches to the build-side batches
   pub(crate) join_time: metrics::Time,
   /// Number of batches consumed by probe-side of this operator
   pub(crate) input_batches: metrics::Count,
   /// Number of rows consumed by probe-side this operator
   pub(crate) input_rows: metrics::Count,
   /// Number of batches produced by this operator
   pub(crate) output_batches: metrics::Count,
   /// Number of rows produced by this operator
   pub(crate) output_rows: metrics::Count
   ```


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