fix

Author: gatorsmile

sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala

@@ -2856,6 +2856,59 @@ class SQLQuerySuite extends QueryTest with SharedSQLContext {
       checkAnswer(sql("select 26393499451 / (1e6 * 1000)"), Row(BigDecimal("26.3934994510000")))
     }
   }
+
+  test("self join with aliases on partitioned tables #1") {
+    withTempView("tmpView1", "tmpView2") {
+      withTable("tab1", "tab2") {
+        sql(
+          """
+            |CREATE TABLE `tab1` (`col1` INT, `TDATE` DATE)
+            |USING CSV
+            |PARTITIONED BY (TDATE)
+          """.stripMargin)
+        spark.table("tab1").where("TDATE >= '2017-08-15'").createOrReplaceTempView("tmpView1")
+        sql("CREATE TABLE `tab2` (`TDATE` DATE) USING parquet")
+        sql(
+          """
+            |CREATE OR REPLACE TEMPORARY VIEW tmpView2 AS
+            |SELECT N.tdate, col1 AS aliasCol1
+            |FROM tmpView1 N
+            |JOIN tab2 Z
+            |ON N.tdate = Z.tdate
+          """.stripMargin)
+        withSQLConf(SQLConf.AUTO_BROADCASTJOIN_THRESHOLD.key -> "0") {
+          sql("SELECT * FROM tmpView2 x JOIN tmpView2 y ON x.tdate = y.tdate").collect()
+        }
+      }
+    }
+  }
+
+  test("self join with aliases on partitioned tables #2") {
+    withTempView("tmp") {
+      withTable("tab1", "tab2") {
+        sql(
+          """
+            |CREATE TABLE `tab1` (`EX` STRING, `TDATE` DATE)
+            |USING parquet
+            |PARTITIONED BY (tdate)
+          """.stripMargin)
+        sql("CREATE TABLE `tab2` (`TDATE` DATE) USING parquet")
+        sql(
+          """
+            |CREATE OR REPLACE TEMPORARY VIEW TMP as
+            |SELECT  N.tdate, EX AS new_ex
+            |FROM tab1 N
+            |JOIN tab2 Z
+            |ON      N.tdate         = Z.tdate
+          """.stripMargin)
+        sql(
+          """
+            |SELECT * FROM TMP x JOIN TMP y
+            |ON x.tdate = y.tdate
+          """.stripMargin).queryExecution.executedPlan
+      }
+    }
+  }
 }
 
 case class Foo(bar: Option[String])