[SPARK-2767] [SQL] SparkSQL CLI doens't output error message if query failed.

Author: Cheng Hao <hao.cheng@intel.com>

Closes #1686 from chenghao-intel/spark_sql_cli and squashes the following commits:

eb664cc [Cheng Hao] Output detailed failure message in console
93b0382 [Cheng Hao] Fix Bug of no output in cli if exception thrown internally

sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkSQLCLIDriver.scala

@@ -288,8 +288,10 @@ private[hive] class SparkSQLCLIDriver extends CliDriver with Logging {
             out.println(cmd)
           }
 
-          ret = driver.run(cmd).getResponseCode
+          val rc = driver.run(cmd)
+          ret = rc.getResponseCode
           if (ret != 0) {
+            console.printError(rc.getErrorMessage())
             driver.close()
             return ret
           }

sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkSQLDriver.scala

@@ -53,10 +53,9 @@ private[hive] class SparkSQLDriver(val context: HiveContext = SparkSQLEnv.hiveCo
   }
 
   override def run(command: String): CommandProcessorResponse = {
-    val execution = context.executePlan(context.hql(command).logicalPlan)
-
     // TODO unify the error code
     try {
+      val execution = context.executePlan(context.hql(command).logicalPlan)
       hiveResponse = execution.stringResult()
       tableSchema = getResultSetSchema(execution)
       new CommandProcessorResponse(0)

sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala

@@ -131,12 +131,13 @@ class HiveContext(sc: SparkContext) extends SQLContext(sc) {
   @transient protected[hive] lazy val sessionState = {
     val ss = new SessionState(hiveconf)
     set(hiveconf.getAllProperties)  // Have SQLConf pick up the initial set of HiveConf.
+    
+    ss.err = new PrintStream(outputBuffer, true, "UTF-8")
+    ss.out = new PrintStream(outputBuffer, true, "UTF-8")
+
     ss
   }
 
-  sessionState.err = new PrintStream(outputBuffer, true, "UTF-8")
-  sessionState.out = new PrintStream(outputBuffer, true, "UTF-8")
-
   override def set(key: String, value: String): Unit = {
     super.set(key, value)
     runSqlHive(s"SET $key=$value")