[4.1] add tablet_change_scn to __all_virtual_ls_info

src/observer/virtual_table/ob_all_virtual_ls_info.cpp

@@ -185,6 +185,10 @@ int ObAllVirtualLSInfo::process_curr_tenant(ObNewRow *&row)
           // rebuild_seq
           cur_row_.cells_[i].set_int(ls_info.rebuild_seq_);
           break;
+        case OB_APP_MIN_COLUMN_ID + 13:
+          // clog_checkpoint_ts
+          cur_row_.cells_[i].set_uint64(!ls_info.tablet_change_checkpoint_scn_.is_valid() ? 0 : ls_info.tablet_change_checkpoint_scn_.get_val_for_tx());
+          break;
         default:
           ret = OB_ERR_UNEXPECTED;
           SERVER_LOG(WARN, "invalid col_id", K(ret), K(col_id));

src/share/inner_table/ob_inner_table_schema.12251_12300.cpp

@@ -9372,6 +9372,21 @@ int ObInnerTableSchema::all_virtual_ls_info_schema(ObTableSchema &table_schema)
       false, //is_nullable
       false); //is_autoincrement
   }
+
+  if (OB_SUCC(ret)) {
+    ADD_COLUMN_SCHEMA("tablet_change_checkpoint_scn_", //column_name
+      ++column_id, //column_id
+      0, //rowkey_id
+      0, //index_id
+      0, //part_key_pos
+      ObUInt64Type, //column_type
+      CS_TYPE_INVALID, //column_collation_type
+      sizeof(uint64_t), //column_length
+      -1, //column_precision
+      -1, //column_scale
+      false, //is_nullable
+      false); //is_autoincrement
+  }
   if (OB_SUCC(ret)) {
     table_schema.get_part_option().set_part_num(1);
     table_schema.set_part_level(PARTITION_LEVEL_ONE);

src/share/inner_table/ob_inner_table_schema_def.py

@@ -10510,6 +10510,7 @@ def_table_schema(
   ('checkpoint_lsn', 'uint'),
   ('migrate_status', 'int'),
   ('rebuild_seq', 'int'),
+  ('tablet_change_checkpoint_scn_', 'uint'),
   ],
   partition_columns = ['svr_ip', 'svr_port'],
   vtable_route_policy = 'distributed',

src/storage/ls/ob_ls.cpp

@@ -1044,6 +1044,7 @@ int ObLS::get_ls_info(ObLSVTInfo &ls_info)
     ls_info.checkpoint_scn_ = ls_meta_.get_clog_checkpoint_scn();
     ls_info.checkpoint_lsn_ = ls_meta_.get_clog_base_lsn().val_;
     ls_info.rebuild_seq_ = ls_meta_.get_rebuild_seq();
+    ls_info.tablet_change_checkpoint_scn_ = ls_meta_.get_tablet_change_checkpoint_scn();
   }
   return ret;
 }

src/storage/ls/ob_ls.h

@@ -87,6 +87,7 @@ struct ObLSVTInfo
   //TODO SCN
   int64_t checkpoint_lsn_;
   int64_t rebuild_seq_;
+  share::SCN tablet_change_checkpoint_scn_;
 };
 
 // 诊断虚表统计信息