修复错误语句处理不一致的问题

src/gausskernel/storage/access/transam/xact.cpp

@@ -4564,8 +4564,12 @@ void AbortCurrentTransaction(bool STP_rollback)
         case TBLOCK_STARTED:
             AbortTransaction(PerfectRollback, STP_rollback);
             ApplyUndoActions();
-            CleanupTransaction();
-            s->blockState = TBLOCK_DEFAULT;
+            if (u_sess->attr.attr_storage.phony_autocommit || STP_rollback) {
+                CleanupTransaction();
+                s->blockState = TBLOCK_DEFAULT;
+            } else {
+                s->blockState = TBLOCK_ABORT;
+            }
             break;
 
             /*

src/test/regress/expected/autocommit_test.out

@@ -255,6 +255,16 @@ SHOW autocommit;
  on
 (1 row)
 
+-- error in transaction block
+SET autocommit = 0;
+CREATE;
+ERROR:  syntax error at or near ";"
+LINE 1: CREATE;
+              ^
+SET autocommit = 1;
+ERROR:  current transaction is aborted, commands ignored until end of transaction block, firstChar[Q]
+ROLLBACK;
+SET autocommit = 1;
 \c regression
 DROP DATABASE test_db;
 DROP DATABASE test_drop;

src/test/regress/sql/autocommit_test.sql

@@ -124,6 +124,13 @@ ROLLBACK;
 SELECT * FROM test_table;
 SHOW autocommit;
 
+-- error in transaction block
+SET autocommit = 0;
+CREATE;
+SET autocommit = 1;
+ROLLBACK;
+SET autocommit = 1;
+
 \c regression
 DROP DATABASE test_db;
 DROP DATABASE test_drop;