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Subject [GitHub] [spark] cloud-fan commented on a change in pull request #27449: [SPARK-27297][DOC][FOLLOW-UP] Improve documentation for various Scala functions
Date Tue, 04 Feb 2020 10:23:02 GMT
cloud-fan commented on a change in pull request #27449: [SPARK-27297][DOC][FOLLOW-UP] Improve
documentation for various Scala functions
URL: https://github.com/apache/spark/pull/27449#discussion_r374586457
 
 

 ##########
 File path: sql/core/src/main/scala/org/apache/spark/sql/functions.scala
 ##########
 @@ -3473,8 +3502,8 @@ object functions {
    *   df.selectExpr("filter(col, (x, i) -> i % 2 == 0)")
    * }}}
    *
-   * @param column: the input array column
-   * @param f: (col, index) => predicate, the Boolean predicate to filter the input column
+   * @param column the input array column
+   * @param f: (col, index) => predicate the Boolean predicate to filter the input column
 
 Review comment:
   How about `@param f a boolean function to filter the input column. Its signature is (col,
index) => predicate`

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