Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/11051#discussion_r51757080
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala
---
@@ -1291,4 +1291,14 @@ class DataFrameSuite extends QueryTest with
SharedSQLContext {
Seq(1 -> "a").toDF("i", "j").filter($"i".cast(StringType) === "1"),
Row(1, "a"))
}
+
+ test("SPARK-12982: Add table name validation in temp table
registration") {
+ val rows = List(Row("foo"), Row("bar"))
+ val schema = StructType(Seq(StructField("col", StringType)))
+ val rdd = sparkContext.parallelize(rows)
+ val df = sqlContext.createDataFrame(rdd, schema)
+ assert(intercept[AnalysisException](df.registerTempTable("t~"))
+ .getMessage.contains("NoViableAltException"))
--- End diff --
Catching the analysis exception is fine for now. Lets not rely on an ANTLR
specific error.
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