Remove hive 12 compilation

Author: marmbrus

dev/run-tests

@@ -142,29 +142,6 @@ CURRENT_BLOCK=$BLOCK_BUILD
 
 {
   HIVE_BUILD_ARGS="$SBT_MAVEN_PROFILES_ARGS -Phive -Phive-thriftserver"
-  HIVE_12_BUILD_ARGS="$HIVE_BUILD_ARGS -Phive-0.12.0"
-
-  # First build with Hive 0.12.0 to ensure patches do not break the Hive 0.12.0 build
-  echo "[info] Compile with Hive 0.12.0"
-  [ -d "lib_managed" ] && rm -rf lib_managed
-  echo "[info] Building Spark with these arguments: $HIVE_12_BUILD_ARGS"
-
-  if [ "${AMPLAB_JENKINS_BUILD_TOOL}" == "maven" ]; then
-    build/mvn $HIVE_12_BUILD_ARGS clean package -DskipTests
-  else
-    # NOTE: echo "q" is needed because sbt on encountering a build file with failure
-    # (either resolution or compilation) prompts the user for input either q, r, etc
-    # to quit or retry. This echo is there to make it not block.
-    # NOTE: Do not quote $BUILD_MVN_PROFILE_ARGS or else it will be interpreted as a
-    # single argument!
-    # QUESTION: Why doesn't 'yes "q"' work?
-    # QUESTION: Why doesn't 'grep -v -e "^\[info\] Resolving"' work?
-    echo -e "q\n" \
-      | build/sbt $HIVE_12_BUILD_ARGS clean hive/compile hive-thriftserver/compile \
-      | grep -v -e "info.*Resolving" -e "warn.*Merging" -e "info.*Including"
-  fi
-
-  # Then build with default Hive version (0.13.1) because tests are based on this version
   echo "[info] Compile with Hive 0.13.1"
   [ -d "lib_managed" ] && rm -rf lib_managed
   echo "[info] Building Spark with these arguments: $HIVE_BUILD_ARGS"

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

@@ -150,8 +150,9 @@ class HiveContext(sc: SparkContext) extends SQLContext(sc) {
     // into the isolated client loader
     val metadataConf = new HiveConf()
     val allConfig = metadataConf.iterator.map(e => e.getKey -> e.getValue).toMap
-    
+
     // Config goes second to override other settings.
+    // TODO: Support for loading the jars from an already downloaded location.
     IsolatedClientLoader.forVersion(hiveVersion, allConfig ++ configure).client
   }
 

sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/InsertIntoHiveTable.scala

@@ -200,10 +200,7 @@ case class InsertIntoHiveTable(
           orderedPartitionSpec.put(entry.getName,partitionSpec.get(entry.getName).getOrElse(""))
       }
       val partVals = MetaStoreUtils.getPvals(table.hiveQlTable.getPartCols, partitionSpec)
-      catalog.synchronized {
-        // TODO
-        // catalog.client.validatePartitionNameCharacters(partVals)
-      }
+
       // inheritTableSpecs is set to true. It should be set to false for a IMPORT query
       // which is currently considered as a Hive native command.
       val inheritTableSpecs = true