Andy Grove created ARROW-6567:
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Summary: [Rust] [DataFusion] SQL aggregate query execution assume
grouping expressions precede aggregate expressions
Key: ARROW-6567
URL: https://issues.apache.org/jira/browse/ARROW-6567
Project: Apache Arrow
Issue Type: Bug
Components: Rust, Rust - DataFusion
Affects Versions: 0.15.0
Reporter: Andy Grove
Fix For: 1.0.0
Aggregate SQL queries produce incorrect results unless the query is written
with grouping expressions followed by aggregate expressions.
For example, the following queries return the exact same result set:
{code:java}
SELECT a, SUM(b) FROM test GROUP BY a
SELECT SUM(b), a FROM test GROUP BY a{code}
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