Github user vanzin commented on a diff in the pull request:
https://github.com/apache/incubator-livy/pull/117#discussion_r221772907
--- Diff:
thriftserver/server/src/main/scala/org/apache/livy/thriftserver/operation/GetTypeInfoOperation.scala
---
@@ -0,0 +1,130 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.livy.thriftserver.operation
+
+import java.sql.{DatabaseMetaData, Types}
+
+import org.apache.hive.service.cli.{HiveSQLException, OperationState,
OperationType, SessionHandle}
+
+import org.apache.livy.Logging
+import org.apache.livy.thriftserver.serde.ResultSet
+import org.apache.livy.thriftserver.types.{BasicDataType, Field, Schema}
+
+sealed case class TypeInfo(name: String, sqlType: Int, precision:
Option[Int],
+ caseSensitive: Boolean, searchable: Short, unsignedAttribute: Boolean,
numPrecRadix: Option[Int])
+
+/**
+ * GetTypeInfoOperation.
+ *
+ */
+class GetTypeInfoOperation(sessionHandle: SessionHandle)
--- End diff --
Any specific reason why you have to fork this class, and others in this
package?
---
