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[NSE-942] Force to use hash aggregate for string type input #941
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Thanks for opening a pull request! Could you open an issue for this pull request on Github Issues? https://github.com/oap-project/native-sql-engine/issues Then could you also rename commit message and pull request title in the following format? See also: |
PHILO-HE
changed the title
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related: #730 |
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note: this patch converts sortAgg to hashAgg, we will check the performance after merging |
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What changes were proposed in this pull request?
Currently, gazelle only supports hash agg. But spark has a logic to use sort agg for string type input. This patch will force to use hash agg for such case.
How was this patch tested?
One UT is added.