Avoid long transactions in inspect task

Author: knizhnik

contrib/mmts/multimaster.c

@@ -530,7 +530,7 @@ MtmAdjustOldestXid(TransactionId xid)
 		if (prev != NULL) { 
 			Mtm->transListHead = prev;
 			Mtm->oldestXid = xid = prev->xid;            
-			MTM_LOG2("%d: MtmAdjustOldestXid: oldestXid=%d, olderstSnapshot=%ld", MyProcPid, xid, oldestSnapshot);
+			MTM_LOG2("%d: MtmAdjustOldestXid: oldestXid=%d, oldestSnapshot=%ld", MyProcPid, xid, oldestSnapshot);
 		} else if (TransactionIdPrecedes(Mtm->oldestXid, xid)) {  
 			xid = Mtm->oldestXid;
 		}

contrib/mmts/tests2/lib/bank_client.py

@@ -102,6 +102,7 @@ def check_total(self):
         def tx(conn, cur):
             cur.execute('select sum(amount) from bank_test')
             res = cur.fetchone()
+            conn.commit()
             if res[0] != 0:
                 print("Isolation error, total = %d" % (res[0],))
                 raise BaseException