Allow more statement types.

Author: cristianberneanu

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Next version
   - Allow casts between `int4` and `int8`.
   - Allow more metadata discovery queries.
+  - Allow more statement types.
 
 ## Version 1.0.1
   - Fixed some docs links.

src/query/validation.c

@@ -51,6 +51,8 @@ void verify_utility_command(Node *utility_stmt)
     case T_LockStmt:
     case T_CheckPointStmt:
     case T_DeclareCursorStmt:
+    case T_DeallocateStmt:
+    case T_FetchStmt:
       break;
     default:
       FAILWITH("Statement requires direct access level.");