[GitHub] spark pull request #15513: [SPARK-17963][SQL][Documentation] Add examples (e...

[rxin <gi...@git.apache.org>]

Github user rxin commented on a diff in the pull request:

    https://github.com/apache/spark/pull/15513#discussion_r84406275
  
    --- Diff: sql/core/src/test/scala/org/apache/spark/sql/execution/command/DDLSuite.scala ---
    @@ -1455,50 +1455,62 @@ class DDLSuite extends QueryTest with SharedSQLContext with BeforeAndAfterEach {
           sql("DESCRIBE FUNCTION log"),
           Row("Class: org.apache.spark.sql.catalyst.expressions.Logarithm") ::
             Row("Function: log") ::
    -        Row("Usage: log(b, x) - Returns the logarithm of x with base b.") :: Nil
    +        Row("Usage: log(expr1, expr2) - Returns the logarithm of expr1 with base expr2.") :: Nil
    --- End diff --
    
    i think the old b, x are actually more clearer ...


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