Revert "[SPARK-4309][SPARK-4407][SQL] Date type support for Thrift server, and fixes for complex types"

Author: Michael Armbrust <michael@databricks.com>

Closes #3292 from marmbrus/revert4309 and squashes the following commits:

808e96e [Michael Armbrust] Revert "[SPARK-4309][SPARK-4407][SQL] Date type support for Thrift server, and fixes for complex types"

(cherry picked from commit 45ce3273cb618d14ec4d20c4c95699634b951086)
Signed-off-by: Michael Armbrust <michael@databricks.com>

3 files changed, 47 insertions, 83 deletions

diff --git a/sql/hive-thriftserver/src/test/scala/org/apache/spark/sql/hive/thriftserver/HiveThriftServer2Suite.scala b/sql/hive-thriftserver/src/test/scala/org/apache/spark/sql/hive/thriftserver/HiveThriftServer2Suite.scala
index 23d12cbff3..bba29b2bdc 100644
--- a/sql/hive-thriftserver/src/test/scala/org/apache/spark/sql/hive/thriftserver/HiveThriftServer2Suite.scala
+++ b/sql/hive-thriftserver/src/test/scala/org/apache/spark/sql/hive/thriftserver/HiveThriftServer2Suite.scala
@@ -19,10 +19,9 @@ package org.apache.spark.sql.hive.thriftserver
 
 import java.io.File
 import java.net.ServerSocket
-import java.sql.{Date, DriverManager, Statement}
+import java.sql.{DriverManager, Statement}
 import java.util.concurrent.TimeoutException
 
-import scala.collection.JavaConversions._
 import scala.collection.mutable.ArrayBuffer
 import scala.concurrent.duration._
 import scala.concurrent.{Await, Promise}
@@ -52,15 +51,6 @@ import org.apache.spark.sql.hive.HiveShim
 class HiveThriftServer2Suite extends FunSuite with Logging {
   Class.forName(classOf[HiveDriver].getCanonicalName)
 
-  object TestData {
-    def getTestDataFilePath(name: String) = {
-      Thread.currentThread().getContextClassLoader.getResource(s"data/files/$name")
-    }
-
-    val smallKv = getTestDataFilePath("small_kv.txt")
-    val smallKvWithNull = getTestDataFilePath("small_kv_with_null.txt")
-  }
-
   def randomListeningPort =  {
     // Let the system to choose a random available port to avoid collision with other parallel
     // builds.
@@ -155,8 +145,12 @@ class HiveThriftServer2Suite extends FunSuite with Logging {
       }
     }
 
-    // Resets SPARK_TESTING to avoid loading Log4J configurations in testing class paths
-    val env = Seq("SPARK_TESTING" -> "0")
+    val env = Seq(
+      // Resets SPARK_TESTING to avoid loading Log4J configurations in testing class paths
+      "SPARK_TESTING" -> "0",
+      // Prevents loading classes out of the assembly jar. Otherwise Utils.sparkVersion can't read
+      // proper version information from the jar manifest.
+      "SPARK_PREPEND_CLASSES" -> "")
 
     Process(command, None, env: _*).run(ProcessLogger(
       captureThriftServerOutput("stdout"),
@@ -200,12 +194,15 @@ class HiveThriftServer2Suite extends FunSuite with Logging {
 
   test("Test JDBC query execution") {
     withJdbcStatement() { statement =>
-      val queries = Seq(
-        "SET spark.sql.shuffle.partitions=3",
-        "DROP TABLE IF EXISTS test",
-        "CREATE TABLE test(key INT, val STRING)",
-        s"LOAD DATA LOCAL INPATH '${TestData.smallKv}' OVERWRITE INTO TABLE test",
-        "CACHE TABLE test")
+      val dataFilePath =
+        Thread.currentThread().getContextClassLoader.getResource("data/files/small_kv.txt")
+
+      val queries =
+        s"""SET spark.sql.shuffle.partitions=3;
+           |CREATE TABLE test(key INT, val STRING);
+           |LOAD DATA LOCAL INPATH '$dataFilePath' OVERWRITE INTO TABLE test;
+           |CACHE TABLE test;
+         """.stripMargin.split(";").map(_.trim).filter(_.nonEmpty)
 
       queries.foreach(statement.execute)
 
@@ -219,10 +216,14 @@ class HiveThriftServer2Suite extends FunSuite with Logging {
 
   test("SPARK-3004 regression: result set containing NULL") {
     withJdbcStatement() { statement =>
+      val dataFilePath =
+        Thread.currentThread().getContextClassLoader.getResource(
+          "data/files/small_kv_with_null.txt")
+
       val queries = Seq(
         "DROP TABLE IF EXISTS test_null",
         "CREATE TABLE test_null(key INT, val STRING)",
-        s"LOAD DATA LOCAL INPATH '${TestData.smallKvWithNull}' OVERWRITE INTO TABLE test_null")
+        s"LOAD DATA LOCAL INPATH '$dataFilePath' OVERWRITE INTO TABLE test_null")
 
       queries.foreach(statement.execute)
 
@@ -269,10 +270,13 @@ class HiveThriftServer2Suite extends FunSuite with Logging {
 
   test("SPARK-4292 regression: result set iterator issue") {
     withJdbcStatement() { statement =>
+      val dataFilePath =
+        Thread.currentThread().getContextClassLoader.getResource("data/files/small_kv.txt")
+
       val queries = Seq(
         "DROP TABLE IF EXISTS test_4292",
         "CREATE TABLE test_4292(key INT, val STRING)",
-        s"LOAD DATA LOCAL INPATH '${TestData.smallKv}' OVERWRITE INTO TABLE test_4292")
+        s"LOAD DATA LOCAL INPATH '$dataFilePath' OVERWRITE INTO TABLE test_4292")
 
       queries.foreach(statement.execute)
 
@@ -280,52 +284,10 @@ class HiveThriftServer2Suite extends FunSuite with Logging {
 
       Seq(238, 86, 311, 27, 165).foreach { key =>
         resultSet.next()
-        assert(resultSet.getInt(1) === key)
+        assert(resultSet.getInt(1) == key)
       }
 
       statement.executeQuery("DROP TABLE IF EXISTS test_4292")
     }
   }
-
-  test("SPARK-4309 regression: Date type support") {
-    withJdbcStatement() { statement =>
-      val queries = Seq(
-        "DROP TABLE IF EXISTS test_date",
-        "CREATE TABLE test_date(key INT, value STRING)",
-        s"LOAD DATA LOCAL INPATH '${TestData.smallKv}' OVERWRITE INTO TABLE test_date")
-
-      queries.foreach(statement.execute)
-
-      assertResult(Date.valueOf("2011-01-01")) {
-        val resultSet = statement.executeQuery(
-          "SELECT CAST('2011-01-01' as date) FROM test_date LIMIT 1")
-        resultSet.next()
-        resultSet.getDate(1)
-      }
-    }
-  }
-
-  test("SPARK-4407 regression: Complex type support") {
-    withJdbcStatement() { statement =>
-      val queries = Seq(
-        "DROP TABLE IF EXISTS test_map",
-        "CREATE TABLE test_map(key INT, value STRING)",
-        s"LOAD DATA LOCAL INPATH '${TestData.smallKv}' OVERWRITE INTO TABLE test_map")
-
-      queries.foreach(statement.execute)
-
-      assertResult("""{238:"val_238"}""") {
-        val resultSet = statement.executeQuery("SELECT MAP(key, value) FROM test_map LIMIT 1")
-        resultSet.next()
-        resultSet.getString(1)
-      }
-
-      assertResult("""["238","val_238"]""") {
-        val resultSet = statement.executeQuery(
-          "SELECT ARRAY(CAST(key AS STRING), value) FROM test_map LIMIT 1")
-        resultSet.next()
-        resultSet.getString(1)
-      }
-    }
-  }
 }
diff --git a/sql/hive-thriftserver/v0.12.0/src/main/scala/org/apache/spark/sql/hive/thriftserver/Shim12.scala b/sql/hive-thriftserver/v0.12.0/src/main/scala/org/apache/spark/sql/hive/thriftserver/Shim12.scala
index e94017ea31..e3ba9914c6 100644
--- a/sql/hive-thriftserver/v0.12.0/src/main/scala/org/apache/spark/sql/hive/thriftserver/Shim12.scala
+++ b/sql/hive-thriftserver/v0.12.0/src/main/scala/org/apache/spark/sql/hive/thriftserver/Shim12.scala
@@ -17,7 +17,7 @@
 
 package org.apache.spark.sql.hive.thriftserver
 
-import java.sql.{Date, Timestamp}
+import java.sql.Timestamp
 import java.util.{ArrayList => JArrayList, Map => JMap}
 
 import scala.collection.JavaConversions._
@@ -132,13 +132,14 @@ private[hive] class SparkExecuteStatementOperation(
         to.addColumnValue(ColumnValue.byteValue(from.getByte(ordinal)))
       case ShortType =>
         to.addColumnValue(ColumnValue.shortValue(from.getShort(ordinal)))
-      case DateType =>
-        to.addColumnValue(ColumnValue.dateValue(from(ordinal).asInstanceOf[Date]))
       case TimestampType =>
         to.addColumnValue(
           ColumnValue.timestampValue(from.get(ordinal).asInstanceOf[Timestamp]))
       case BinaryType | _: ArrayType | _: StructType | _: MapType =>
-        val hiveString = HiveContext.toHiveString((from.get(ordinal), dataTypes(ordinal)))
+        val hiveString = result
+          .queryExecution
+          .asInstanceOf[HiveContext#QueryExecution]
+          .toHiveString((from.get(ordinal), dataTypes(ordinal)))
         to.addColumnValue(ColumnValue.stringValue(hiveString))
     }
   }
@@ -163,8 +164,6 @@ private[hive] class SparkExecuteStatementOperation(
         to.addColumnValue(ColumnValue.byteValue(null))
       case ShortType =>
         to.addColumnValue(ColumnValue.shortValue(null))
-      case DateType =>
-        to.addColumnValue(ColumnValue.dateValue(null))
       case TimestampType =>
         to.addColumnValue(ColumnValue.timestampValue(null))
       case BinaryType | _: ArrayType | _: StructType | _: MapType =>
diff --git a/sql/hive-thriftserver/v0.13.1/src/main/scala/org/apache/spark/sql/hive/thriftserver/Shim13.scala b/sql/hive-thriftserver/v0.13.1/src/main/scala/org/apache/spark/sql/hive/thriftserver/Shim13.scala
index 23b182dd61..f2ceba8282 100644
--- a/sql/hive-thriftserver/v0.13.1/src/main/scala/org/apache/spark/sql/hive/thriftserver/Shim13.scala
+++ b/sql/hive-thriftserver/v0.13.1/src/main/scala/org/apache/spark/sql/hive/thriftserver/Shim13.scala
@@ -18,7 +18,7 @@
 package org.apache.spark.sql.hive.thriftserver
 
 import java.security.PrivilegedExceptionAction
-import java.sql.{Date, Timestamp}
+import java.sql.Timestamp
 import java.util.concurrent.Future
 import java.util.{ArrayList => JArrayList, List => JList, Map => JMap}
 
@@ -113,7 +113,7 @@ private[hive] class SparkExecuteStatementOperation(
   def addNonNullColumnValue(from: SparkRow, to: ArrayBuffer[Any],  ordinal: Int) {
     dataTypes(ordinal) match {
       case StringType =>
-        to += from.getString(ordinal)
+        to += from.get(ordinal).asInstanceOf[String]
       case IntegerType =>
         to += from.getInt(ordinal)
       case BooleanType =>
@@ -123,20 +123,23 @@ private[hive] class SparkExecuteStatementOperation(
       case FloatType =>
         to += from.getFloat(ordinal)
       case DecimalType() =>
-        to += from.getAs[BigDecimal](ordinal).bigDecimal
+        to += from.get(ordinal).asInstanceOf[BigDecimal].bigDecimal
       case LongType =>
         to += from.getLong(ordinal)
       case ByteType =>
         to += from.getByte(ordinal)
       case ShortType =>
         to += from.getShort(ordinal)
-      case DateType =>
-        to += from.getAs[Date](ordinal)
       case TimestampType =>
-        to +=  from.getAs[Timestamp](ordinal)
-      case BinaryType | _: ArrayType | _: StructType | _: MapType =>
-        val hiveString = HiveContext.toHiveString((from.get(ordinal), dataTypes(ordinal)))
-        to += hiveString
+        to +=  from.get(ordinal).asInstanceOf[Timestamp]
+      case BinaryType =>
+        to += from.get(ordinal).asInstanceOf[String]
+      case _: ArrayType =>
+        to += from.get(ordinal).asInstanceOf[String]
+      case _: StructType =>
+        to += from.get(ordinal).asInstanceOf[String]
+      case _: MapType =>
+        to += from.get(ordinal).asInstanceOf[String]
     }
   }
 
@@ -144,9 +147,9 @@ private[hive] class SparkExecuteStatementOperation(
     validateDefaultFetchOrientation(order)
     assertState(OperationState.FINISHED)
     setHasResultSet(true)
-    val resultRowSet: RowSet = RowSetFactory.create(getResultSetSchema, getProtocolVersion)
+    val reultRowSet: RowSet = RowSetFactory.create(getResultSetSchema, getProtocolVersion)
     if (!iter.hasNext) {
-      resultRowSet
+      reultRowSet
     } else {
       // maxRowsL here typically maps to java.sql.Statement.getFetchSize, which is an int
       val maxRows = maxRowsL.toInt
@@ -163,10 +166,10 @@ private[hive] class SparkExecuteStatementOperation(
           }
           curCol += 1
         }
-        resultRowSet.addRow(row.toArray.asInstanceOf[Array[Object]])
+        reultRowSet.addRow(row.toArray.asInstanceOf[Array[Object]])
         curRow += 1
       }
-      resultRowSet
+      reultRowSet
     }
   }