HyukjinKwon commented on a change in pull request #35735:
URL: https://github.com/apache/spark/pull/35735#discussion_r823245098
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File path: docs/sql-migration-guide.md
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@@ -24,6 +24,8 @@ license: |
## Upgrading from Spark SQL 3.2 to 3.3
+ - Since Spark 3.3, the `histogram_numeric` function in Spark SQL returns an
output type of an array of structs (x, y), where the type of the 'x' field in
the return value is propagated from the input values consumed in the aggregate
function. In previous versions, 'x' always had double type.
Review comment:
Can we mention which configuration should be enabled to restore the
previous behaviour?
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