Github user hvanhovell commented on the issue:

    https://github.com/apache/spark/pull/14044
  
    `LogicalPlan.resolve(...)` uses a linear search to resolve a column. This 
is pretty bad if you are trying to lookup 4000 columns 4 times (filter, 
project, aggregate, sort): 4000 * (4000 / 2) * 4 = 32.000.000 lookups. 


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