[master][tx-route] do not abort tx if txn has explict savepoint or serializable snapshot

src/sql/engine/cmd/ob_variable_set_executor.cpp

@@ -915,7 +915,7 @@ int ObVariableSetExecutor::process_session_autocommit_hook(ObExecContext &exec_c
     LOG_WARN("session is NULL", K(ret));
   } else {
     auto tx_desc = my_session->get_tx_desc();
-    bool in_trans = OB_NOT_NULL(tx_desc) && tx_desc->in_tx_or_has_state();
+    bool in_trans = OB_NOT_NULL(tx_desc) && tx_desc->in_tx_or_has_extra_state();
     if (OB_FAIL(my_session->get_autocommit(orig_ac))) {
       LOG_WARN("fail to get autocommit", K(ret));
     } else if (OB_FAIL(val.get_int(autocommit))) {

src/sql/session/ob_basic_session_info.cpp

@@ -539,7 +539,7 @@ int ObBasicSessionInfo::switch_tenant(uint64_t effective_tenant_id)
     ret = OB_INVALID_ARGUMENT;
     LOG_WARN("invalid tenant_id", K(ret), K(effective_tenant_id));
   } else if (OB_NOT_NULL(tx_desc_) && effective_tenant_id != effective_tenant_id_) {
-    if (tx_desc_->in_tx_or_has_state()) {
+    if (tx_desc_->in_tx_or_has_extra_state()) {
       ret = OB_NOT_SUPPORTED;
       // only inner-SQL goes switch_tenant and may fall into such state
       // print out error to easy trouble-shot

src/storage/tx/ob_trans_define_v4.cpp

@@ -434,17 +434,19 @@ void ObTxDesc::print_trace()
   }
 }
 
-bool ObTxDesc::in_tx_or_has_state()
+bool ObTxDesc::in_tx_or_has_extra_state()
 {
   ObSpinLockGuard guard(lock_);
-  return in_tx_or_has_state_();
+  return in_tx_or_has_extra_state_();
 }
 
-bool ObTxDesc::in_tx_or_has_state_()
+bool ObTxDesc::in_tx_or_has_extra_state_() const
 {
-  if (is_in_tx()) {
-    return true;
+  return is_in_tx() || has_extra_state_();
 }
+
+bool ObTxDesc::has_extra_state_() const
+{
   if (snapshot_version_.is_valid()) {
     return true;
   }
@@ -466,7 +468,7 @@ bool ObTxDesc::in_tx_for_free_route()
 bool ObTxDesc::in_tx_for_free_route_()
 {
   return (addr_.is_valid() && (addr_ != GCONF.self_addr_)) // txn free route temporary node
-    || in_tx_or_has_state_();
+    || in_tx_or_has_extra_state_();
 }
 
 bool ObTxDesc::contain_savepoint(const ObString &sp)

src/storage/tx/ob_trans_define_v4.h

@@ -481,7 +481,8 @@ private:
   int update_parts_(const ObTxPartList &list);
   void implicit_start_tx_();
   bool acq_commit_cb_lock_if_need_();
-  bool in_tx_or_has_state_();
+  bool has_extra_state_() const;
+  bool in_tx_or_has_extra_state_() const;
   bool in_tx_for_free_route_();
   void print_trace_() const;
 public:
@@ -602,7 +603,7 @@ public:
   bool is_in_tx() const { return state_ > State::IDLE; }
   bool is_tx_active() const { return state_ >= State::ACTIVE && state_ < State::IN_TERMINATE; }
   void print_trace();
-  bool in_tx_or_has_state();
+  bool in_tx_or_has_extra_state();
   bool in_tx_for_free_route();
   const ObTransID &get_tx_id() const { return tx_id_; }
   ObITxCallback *get_end_tx_cb() { return commit_cb_; }

src/storage/tx/ob_tx_api.cpp

@@ -1024,7 +1024,10 @@ int ObTransService::rollback_to_global_implicit_savepoint_(ObTxDesc &tx,
       break;
     case ObTxDesc::State::IMPLICIT_ACTIVE:
       tx.release_implicit_savepoint(savepoint);
-      if (!tx.flags_.REPLICA_ && !tx.has_implicit_savepoint() && tx.active_scn_ >= savepoint) {
+      if (!tx.flags_.REPLICA_             // on tx start node
+          && !tx.has_implicit_savepoint() // to first savepoint
+          && tx.active_scn_ >= savepoint  // rollback all dirty state
+          && !tx.has_extra_state_()) {    // hasn't explicit savepoint or serializable snapshot
         reset_tx = true;
       } else {
         normal_rollback = true;
@@ -1091,6 +1094,7 @@ int ObTransService::rollback_to_global_implicit_savepoint_(ObTxDesc &tx,
                       OB_Y(ret), OB_Y(savepoint), OB_Y(expire_ts),
                       OB_ID(time_used), elapsed_us,
                       OB_ID(arg), (void*)extra_touched_ls,
+                      OB_ID(tag1), reset_tx,
                       OB_ID(opid), tx.op_sn_,
                       OB_ID(ref), tx.get_ref(),
                       OB_ID(thread_id), GETTID());