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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