Merge pull request #8218 from taosdata/hotfix/TS-430

[fix][TS-430]fix cachelast core

src/tsdb/src/tsdbMain.c

@@ -802,6 +802,8 @@ static int tsdbRestoreLastRow(STsdbRepo *pRepo, STable *pTable, SReadH* pReadh,
                    pCol->offset);
   }
 
+  pTable->lastKey = memRowKey(pTable->lastRow);
+
   return 0;
 }