alamb opened a new issue #91:
URL: https://github.com/apache/arrow-datafusion/issues/91


   *Note*: migrated from original JIRA: 
https://issues.apache.org/jira/browse/ARROW-9382
   
   Currently we do not support boolean columns on groupBy.
   
   Here is a reproducer:
   
   {code}
   alamb@MacBook-Pro:~/Software/arrow/rust$ echo "false" > /tmp/foo.csv
   alamb@MacBook-Pro:~/Software/arrow/rust$ cargo run --bin datafusion-cli
       Finished dev [unoptimized + debuginfo] target(s) in 0.14s
        Running `target/debug/datafusion-cli`
   > create external table test(c1 boolean) stored as CSV location 
'/tmp/foo.csv';
   0 rows in set. Query took 0 seconds.
   > select count(c1), c1 from test group by c1;
   ArrowError(ExternalError(ExecutionError("Unsupported GROUP BY data type")))
   {code}
   
   The expected result is 
   {code}
   1, false
   {code}


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