Github user wzhfy commented on a diff in the pull request:
https://github.com/apache/spark/pull/12646#discussion_r118811306
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
---
@@ -2616,4 +2617,66 @@ class SQLQuerySuite extends QueryTest with
SharedSQLContext {
val e = intercept[AnalysisException](sql("SELECT nvl(1, 2, 3)"))
assert(e.message.contains("Invalid number of arguments"))
}
+
+ test("TRIM function-BOTH") {
+ val ae1 = intercept[ParseException]{
+ sql("select lower(BOTH 'S' FROM 'SS abc S')").head
--- End diff --
ltrim/rtrim can't using these options, right? We can use them as negative
test for function names, and use trim for negative tests for option names.
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