suremarc opened a new pull request, #13296:
URL: https://github.com/apache/datafusion/pull/13296

   ## Which issue does this PR close?
   
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   Closes #10316.
   
   ## Rationale for this change
   
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   ## What changes are included in this PR?
   
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   This PR uses the existing `MinMaxStatistics` to reorder the input streams 
into non-overlapping chains based on the statistics knowledge of its input. 
This requires some changes:
   * A tentative new API, `ExecutionPlan::statistics_by_partition`
     * Left basically unimplemented for now, pending on feedback
   * Move the `MinMaxStatistics` type to `datafusion-physical-plan`
   * #8078
     * Currently the `MinMaxStatistics` code assumes that the statistics give 
precise bounds and not (potentially overzealous) estimates.
   
   ## Are these changes tested?
   
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   They will be before I mark this PR as not draft :^)
   
   ## Are there any user-facing changes?
   
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   The `MinMaxStatistics` API is made public, as otherwise we can't use it in 
the `core` crate where it previously was being used. 


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