TCLIService.patch

--- TCLIService.thrift	2017-04-16 22:51:45.000000000 -0700
+++ TCLIService.thrift	2017-03-17 17:12:07.000000000 -0700
@@ -32,8 +32,9 @@
 // * Service names begin with the letter "T", use a capital letter for each
 //   new word (with no underscores), and end with the word "Service".
 
 namespace java org.apache.hive.service.rpc.thrift
 namespace cpp apache.hive.service.rpc.thrift
+namespace py TCLIService
 
 // List of protocol versions. A new token should be
 // added to the end of this list every time a change is made.
@@ -1224,6 +1225,19 @@
   6: required i64 startTime
 }
 
+// GetLog() is not present in never versions of Hive, but we add it here for backwards compatibility
+struct TGetLogReq {
+  // operation handle
+  1: required TOperationHandle operationHandle
+}
+
+struct TGetLogResp {
+  // status of the request
+  1: required TStatus status
+  // log content as text
+  2: required string log
+}
+
 service TCLIService {
 
   TOpenSessionResp OpenSession(1:TOpenSessionReq req);
@@ -1267,4 +1281,7 @@
   TCancelDelegationTokenResp CancelDelegationToken(1:TCancelDelegationTokenReq req);
 
   TRenewDelegationTokenResp RenewDelegationToken(1:TRenewDelegationTokenReq req);
+
+  // Adding older log retrieval method for backward compatibility
+  TGetLogResp GetLog(1:TGetLogReq req);
 }