Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/18023#discussion_r117522441
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
---
@@ -2624,4 +2624,92 @@ 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("SPARK-12139: REGEX Column Specification for Hive Queries") {
+ // hive.support.quoted.identifiers is turned off by default
+ checkAnswer(
+ sql(
+ """
+ |SELECT b
+ |FROM testData2
+ |WHERE a = 1
+ """.stripMargin),
+ Row(1) :: Row(2) :: Nil)
+
+ checkAnswer(
+ sql(
+ """
+ |SELECT t.b
+ |FROM testData2 t
+ |WHERE a = 1
+ """.stripMargin),
+ Row(1) :: Row(2) :: Nil)
--- End diff --
The above two test queries are not needed in the new suite.
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