kevincmchen opened a new issue, #9113:
URL: https://github.com/apache/incubator-gluten/issues/9113
### Description
The function mapping {"not_equal", "notequalto"} should be removed because:
1. Spark already converts not_equal(!=) to `Not` combined with `EqualTo`
(effectively NOT (a = b)). This means Gluten will never receive a `not_equal`
function call requiring translation to `notequalto`. Here's a example:
- sql:
`
SELECT i_item_id, i_item_sk, MAX(i_wholesale_cost)
FROM item
GROUP BY GROUPING SETS((i_item_id, i_item_sk))
HAVING UPPER(i_item_id) != 'AAAAAAAACAAAAAAA'
ORDER BY 1,2
LIMIT 10;
`
- plan:
<img width="1716" alt="Image"
src="https://github.com/user-attachments/assets/91efef11-c161-4dec-8d96-0e36bc62b230";
/>
2. Velox doesn't implement the `notequalto` function, making this mapping
non-functional even if invoked.
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