delete ENGINE_NAMESPACE column

Author: wangjunbo

kyuubi-server/src/main/scala/org/apache/kyuubi/sql/plan/command/DescribeEngine.scala

@@ -42,7 +42,6 @@ case class DescribeEngine() extends RunnableCommand {
         values += client.engineId.getOrElse("")
         values += client.engineName.getOrElse("")
         values += client.engineUrl.getOrElse("")
-        values += nodeInfo.namespace
         values += s"${nodeInfo.host}:${nodeInfo.port}"
         values += nodeInfo.version.getOrElse("")
         values += nodeInfo.attributes.filter(_._1.contains("memory")).mkString(";")
@@ -66,7 +65,6 @@ object DescribeEngine {
       Column("ENGINE_ID", TTypeId.STRING_TYPE, Some("Kyuubi engine identify")),
       Column("ENGINE_NAME", TTypeId.STRING_TYPE, Some("Kyuubi engine name")),
       Column("ENGINE_URL", TTypeId.STRING_TYPE, Some("Kyuubi engine url")),
-      Column("ENGINE_NAMESPACE", TTypeId.STRING_TYPE, Some("Kyuubi engine zk namespace")),
       Column("ENGINE_INSTANCE", TTypeId.STRING_TYPE, Some("Kyuubi engine instance host and port")),
       Column("ENGINE_VERSION", TTypeId.STRING_TYPE, Some("Kyuubi engine version")),
       Column("ENGINE_ATTRIBUTES", TTypeId.STRING_TYPE, Some("Kyuubi engine attributes")))

kyuubi-server/src/test/scala/org/apache/kyuubi/operation/parser/DescribeEngineSuite.scala

@@ -25,14 +25,13 @@ class DescribeEngineSuite extends ExecutedCommandExecSuite {
         val resultSet = statement.executeQuery(s"KYUUBI $desc ENGINE")
         assert(resultSet.next())
 
-        assert(resultSet.getMetaData.getColumnCount == 7)
+        assert(resultSet.getMetaData.getColumnCount == 6)
         assert(resultSet.getMetaData.getColumnName(1) == "ENGINE_ID")
         assert(resultSet.getMetaData.getColumnName(2) == "ENGINE_NAME")
         assert(resultSet.getMetaData.getColumnName(3) == "ENGINE_URL")
-        assert(resultSet.getMetaData.getColumnName(4) == "ENGINE_NAMESPACE")
-        assert(resultSet.getMetaData.getColumnName(5) == "ENGINE_INSTANCE")
-        assert(resultSet.getMetaData.getColumnName(6) == "ENGINE_VERSION")
-        assert(resultSet.getMetaData.getColumnName(7) == "ENGINE_ATTRIBUTES")
+        assert(resultSet.getMetaData.getColumnName(4) == "ENGINE_INSTANCE")
+        assert(resultSet.getMetaData.getColumnName(5) == "ENGINE_VERSION")
+        assert(resultSet.getMetaData.getColumnName(6) == "ENGINE_ATTRIBUTES")
       }
     }
   }