zhengruifeng commented on code in PR #47741:
URL: https://github.com/apache/spark/pull/47741#discussion_r1716191036
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala:
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@@ -1518,6 +1518,163 @@ case class ArrayContains(left: Expression, right:
Expression)
copy(left = newLeft, right = newRight)
}
+/**
+ * Searches the specified array for the specified object using the binary
search algorithm.
Review Comment:
please add a comment:
`This expression is dedicated only for PySpark and Spark-ML.`
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