30468a9015
### What changes were proposed in this pull request? This PR completes snake_case rule at functions APIs across the languages, see also SPARK-10621. In more details, this PR: - Adds `count_distinct` in Scala Python, and R, and document that `count_distinct` is encouraged. This was not deprecated because `countDistinct` is pretty commonly used. We could deprecate in the future releases. - (Scala-specific) adds `typedlit` but doesn't deprecate `typedLit` which is arguably commonly used. Likewise, we could deprecate in the future releases. - Deprecates and renames: - `sumDistinct` -> `sum_distinct` - `bitwiseNOT` -> `bitwise_not` - `shiftLeft` -> `shiftleft` (matched with SQL name in `FunctionRegistry`) - `shiftRight` -> `shiftright` (matched with SQL name in `FunctionRegistry`) - `shiftRightUnsigned` -> `shiftrightunsigned` (matched with SQL name in `FunctionRegistry`) - (Scala-specific) `callUDF` -> `call_udf` ### Why are the changes needed? To keep the consistent naming in APIs. ### Does this PR introduce _any_ user-facing change? Yes, it deprecates some APIs and add new renamed APIs as described above. ### How was this patch tested? Unittests were added. Closes #31408 from HyukjinKwon/SPARK-34306. Authored-by: HyukjinKwon <gurwls223@apache.org> Signed-off-by: HyukjinKwon <gurwls223@apache.org> |
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