change compat_mode default from MYSQL to INVALID

deps/oblib/src/lib/worker.h

@@ -248,7 +248,7 @@ class ObRuntimeContext
   OB_UNIS_VERSION(1);
 public:
   ObRuntimeContext()
-      : compat_mode_(Worker::CompatMode::MYSQL)
+      : compat_mode_(Worker::CompatMode::INVALID)
   {}
   Worker::CompatMode compat_mode_;
 #ifdef ERRSIM

deps/oblib/unittest/lib/test_worker.cpp

@@ -17,7 +17,7 @@
 TEST(TestWorker, CompatMode)
 {
   using oceanbase::lib::Worker;
-
+  set_compat_mode(oceanbase::lib::Worker::CompatMode::MYSQL);
   // MySQL Mode as default.
   EXPECT_EQ(oceanbase::lib::Worker::CompatMode::MYSQL, THIS_WORKER.get_compatibility_mode());
   EXPECT_TRUE(oceanbase::lib::is_mysql_mode());

mittest/mtlenv/storage/test_ls_migration_param.cpp

@@ -345,6 +345,7 @@ TEST_F(TestLSMigrationParam, test_deleted_tablet_info)
   char buf[buf_len] = {};
   share::ObLSID ls_id(1);
   ObTabletID tablet_id(200001);
+  set_compat_mode(Worker::CompatMode::MYSQL);
   ObMigrationTabletParam param;
   ret = param.build_deleted_tablet_info(ls_id, tablet_id);
   ASSERT_EQ(OB_SUCCESS, ret);

unittest/share/test_json_base.cpp

@@ -886,6 +886,7 @@ TEST_F(TestJsonBase, test_get_allocator)
 
 TEST_F(TestJsonBase, test_seek)
 {
+  set_compat_mode(lib::Worker::CompatMode::MYSQL);
   ObArenaAllocator allocator(ObModIds::TEST);
   ObIJsonBase *j_tree = NULL;
   ObIJsonBase *j_bin = NULL;

unittest/share/test_json_bin.cpp

@@ -361,6 +361,7 @@ TEST_F(TestJsonBin, test_bin_lookup)
 
 TEST_F(TestJsonBin, test_wrapper_to_string_object)
 {
+  set_compat_mode(lib::Worker::CompatMode::MYSQL);
   // json text 转 json tree
   common::ObString json_text("{ \"greeting\" : \"Hello!\", \"farewell\" : \"bye-bye!\", \"json_text\" : \"test!\" }");
   common::ObArenaAllocator allocator(ObModIds::TEST);

unittest/share/test_json_path.cpp

@@ -685,6 +685,7 @@ TEST_F(TestJsonPath, test_member_node)
 TEST_F(TestJsonPath, test_ellipsis_node)
 {
   int ret = OB_SUCCESS;
+  set_compat_mode(oceanbase::lib::Worker::CompatMode::MYSQL);
   ObArenaAllocator allocator(ObModIds::TEST);
   ObJsonPath test_path("$**[10]", &allocator);
   ret = test_path.parse_path();

unittest/share/test_json_tree.cpp

@@ -2234,6 +2234,7 @@ TEST_F(TestJsonTree, oracle_sub_type)
 
 TEST_F(TestJsonTree, test_sort)
 {
+  set_compat_mode(lib::Worker::CompatMode::MYSQL);
   // correct json text
   common::ObString json_text("{ \"a\" : \"value1\", \"a\" : \"value2\", \
       \"b\" : \"value3\",  \"b\" : \"value4\" }");

unittest/sql/resolver/expr/test_raw_expr_canonicalizer.cpp

@@ -96,6 +96,7 @@ void TestRawExprCanonicalizer::canon(const char* expr, const char *&canon_expr)
 
 TEST_F(TestRawExprCanonicalizer, basic_test)
 {
+  set_compat_mode(Worker::CompatMode::MYSQL);
   std::ifstream if_tests("./expr/test_raw_expr_canonicalizer.test");
   ASSERT_TRUE(if_tests.is_open());
   std::string line;

unittest/sql/resolver/expr/test_raw_expr_resolver.cpp

@@ -95,6 +95,7 @@ void TestRawExprResolver::resolve(const char* expr, const char *&json_expr)
 
 TEST_F(TestRawExprResolver, all)
 {
+  set_compat_mode(Worker::CompatMode::MYSQL);
   static const char* test_file = "./expr/test_raw_expr_resolver.test";
   static const char* tmp_file = "./expr/test_raw_expr_resolver.tmp";
   static const char* result_file = "./expr/test_raw_expr_resolver.result";

unittest/sql/rewrite/test_query_range.cpp

@@ -704,6 +704,7 @@ void ObQueryRangeTest::get_query_range_collation(const char *sql_expr, const cha
 
 TEST_F(ObQueryRangeTest, collation_test)
 {
+  set_compat_mode(lib::Worker::CompatMode::MYSQL);
   static const char* test_file = "./test_query_range_collation.test";
   static const char* tmp_file = "./test_query_range_collation.tmp";
   static const char* result_file = "./test_query_range_collation.result";