[CP] [CP] Add diagnostic log for detection of schema mgr ref leak

src/sql/engine/cmd/ob_load_data_impl.cpp

@@ -2666,6 +2666,7 @@ ObShuffleTaskHandle::ObShuffleTaskHandle(
     ObInsertValueGenerator& main_generator, ObPartIdCalculator& main_calculator, ObDataFragMgr& main_datafrag_mgr)
     : exec_ctx(GCTX.session_mgr_),
       data_buffer(NULL),
+      schema_guard(share::schema::ObSchemaMgrItem::MOD_SHUFFLE_TASK_HANDLE),
       generator(main_generator),
       calculator(main_calculator),
       datafrag_mgr(main_datafrag_mgr)

src/sql/engine/cmd/ob_load_data_impl.h

@@ -924,6 +924,7 @@ public:
 
   ObLoadDataImpl()
       :  // arguments
+        schema_guard_(share::schema::ObSchemaMgrItem::MOD_LOAD_DATA_IMPL),
         part_level_(share::schema::PARTITION_LEVEL_ZERO),
         part_num_(0),
         initial_step_(FIND_LINE_START),

src/sql/engine/px/ob_px_rpc_processor.h

@@ -67,7 +67,6 @@ private:
   sql::ObPhysicalPlan phy_plan_;
   common::ObArenaAllocator des_allocator_;
   // observer::ObVirtualTableIteratorFactory vt_iter_factory_;
-  // share::schema::ObSchemaGetterGuard schema_guard_;
 };
 
 class ObInitFastSqcP : public obrpc::ObRpcProcessor<obrpc::ObPxRpcProxy::ObRpc<obrpc::OB_PX_FAST_INIT_SQC>> {

src/sql/engine/px/ob_px_task_process.cpp

@@ -46,7 +46,7 @@ ObPxTaskProcess::ObPxTaskProcess(const observer::ObGlobalContext& gctx, ObPxRpcI
     : gctx_(gctx),
       arg_(arg),
       sql_ctx_(),
-      schema_guard_(),
+      schema_guard_(share::schema::ObSchemaMgrItem::MOD_PX_TASK_PROCESSS),
       vt_iter_factory_(*gctx.vt_iter_creator_),
       enqueue_timestamp_(0),
       process_timestamp_(0),

src/sql/engine/table/ob_table_scan.h

@@ -112,6 +112,7 @@ public:
           output_row_count_(-1),
           iter_end_(false),
           partition_id_(OB_INVALID_INDEX),
+          schema_guard_(share::schema::ObSchemaMgrItem::MOD_TABLE_SCAN),
           iterated_rows_(0),
           is_partition_list_empty_(false),
           got_feedback_(false),

src/sql/engine/table/ob_table_scan_op.cpp

@@ -443,6 +443,7 @@ ObTableScanOp::ObTableScanOp(ObExecContext& exec_ctx, const ObOpSpec& spec, ObOp
       output_row_count_(-1),
       iter_end_(false),
       partition_id_(OB_INVALID_INDEX),
+      schema_guard_(share::schema::ObSchemaMgrItem::MOD_TABLE_SCAN),
       iterated_rows_(0),
       is_partition_list_empty_(false),
       got_feedback_(false),