[GitHub] [arrow-datafusion] alamb commented on issue #7100: Aggregate Partial mode, bug

["alamb (via GitHub)" <gi...@apache.org>]

alamb commented on issue #7100:
URL: https://github.com/apache/arrow-datafusion/issues/7100#issuecomment-1652378746

   FWIW this query panics like this:
   
   ```
   ❯ SELECT l.col0, LAST_VALUE(r.col1 ORDER BY r.col0) as last_col1
   FROM tab0 as l
   JOIN tab0 as r
   ON l.col0 = r.col0
   GROUP BY l.col0, l.col1, l.col2
   ORDER BY l.col0;
   thread 'thread 'thread 'tokio-runtime-workertokio-runtime-workertokio-runtime-worker' panicked at '' panicked at '' panicked at 'assertion failed: `(left == right)`
     left: `1`,
    right: `2`thread 'assertion failed: `(left == right)`
     left: `1`,
    right: `2`', assertion failed: `(left == right)`
     left: `1`,
    right: `2`', tokio-runtime-worker/Users/alamb/Software/arrow-datafusion2/datafusion/core/src/physical_plan/aggregates/order/partial.rs', ' panicked at '/Users/alamb/Software/arrow-datafusion2/datafusion/core/src/physical_plan/aggregates/order/partial.rs:assertion failed: `(left == right)`
     left: `1`,
    right: `2`/Users/alamb/Software/arrow-datafusion2/datafusion/core/src/physical_plan/aggregates/order/partial.rs114', :::114/Users/alamb/Software/arrow-datafusion2/datafusion/core/src/physical_plan/aggregates/order/partial.rs:1149:9:
   114
   9note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
   ```


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