fix normal parser's prase mode not same as fast parser's parse mode

src/sql/parser/ob_parser.cpp

@@ -984,7 +984,11 @@ int ObParser::parse(const ObString &query,
   parse_result.is_not_utf8_connection_ = ObCharset::is_valid_collation(connection_collation_) ?
         (ObCharset::charset_type_by_coll(connection_collation_) != CHARSET_UTF8MB4) : false;
   parse_result.malloc_pool_ = allocator_;
-  parse_result.sql_mode_ = sql_mode_;
+  if (lib::is_oracle_mode()) {
+    parse_result.sql_mode_ = sql_mode_ | SMO_ORACLE;
+  } else {
+    parse_result.sql_mode_ = sql_mode_ & (~SMO_ORACLE);
+  }
   parse_result.need_parameterize_ = (FP_MODE == parse_mode
                          || FP_PARAMERIZE_AND_FILTER_HINT_MODE == parse_mode);
   parse_result.minus_ctx_.pos_ = -1;

src/sql/parser/sql_parser_base.c

@@ -310,4 +310,4 @@ int add_alias_name(ParseNode *node, ParseResult *result, int end)
     }
   }
   return ret;
-}
\ No newline at end of file
+}

unittest/sql/parser/test_parser.test

@@ -20,11 +20,11 @@ commit;
 commit/*hint+commit*/;
 commit work;
 commit/*hint+commit work*/ work;
---sql_mode oracle
-commit comment 'comment transaction commit';
-commit work comment 'comment txn commit work';
-commit/*hint+commit tx hint*/ comment 'comment + hint';
-commit/*hint+commit tx work hint*/ work comment 'comment + hint';
+#--sql_mode oracle
+#commit comment 'comment transaction commit';
+#commit work comment 'comment txn commit work';
+#commit/*hint+commit tx hint*/ comment 'comment + hint';
+#commit/*hint+commit tx work hint*/ work comment 'comment + hint';
 --sql_mode mysql
 rollback;
 rollback/*hint+rollback*/;
@@ -289,12 +289,12 @@ select unique distinct(    max(c1)), c2 from t1;
 select unique(*) from t1;
 
 ########################## test for returning ###################################
---sql_mode oracle
-delete from t1 where c1 = 1 returning c1 + 1, c2 * 2;
-update t1 set c1 = 1 where c2 = 2 returning c1, c2 + 3, c3 * c4;
-insert into t1 values(1, 2, 3) returning c1, c2, c3;
---error 5001
-replace into t1 values(1, 2) returning c1, c2, c3, c4, c5, c6;
+#--sql_mode oracle
+#delete from t1 where c1 = 1 returning c1 + 1, c2 * 2;
+#update t1 set c1 = 1 where c2 = 2 returning c1, c2 + 3, c3 * c4;
+#insert into t1 values(1, 2, 3) returning c1, c2, c3;
+#--error 5001
+#replace into t1 values(1, 2) returning c1, c2, c3, c4, c5, c6;
 ############# tablegroup ##################
 --sql_mode mysql
 alter tablegroup tg2 add table t1,t2;