Handle build stats messages in all datashard states (#26234) (#26256)

Author: kunga

ydb/core/tx/datashard/datashard__stats.cpp

@@ -35,7 +35,7 @@ struct TTableStatsCoroBuilderArgs {
 
 class TTableStatsCoroBuilder : public TActorCoroImpl, private IPages, TTableStatsCoroBuilderArgs {
 private:
-    using ECode = TDataShard::TEvPrivate::TEvTableStatsError::ECode;
+    using ECode = TDataShard::TEvPrivate::TEvBuildTableStatsError::ECode;
 
     static constexpr TDuration MaxCoroutineExecutionTime = TDuration::MilliSeconds(5);
 
@@ -69,9 +69,9 @@ class TTableStatsCoroBuilder : public TActorCoroImpl, private IPages, TTableStat
         } catch (const TDtorException&) {
             return; // coroutine terminated
         } catch (const TExTableStatsError& ex) {
-            Send(ReplyTo, new TDataShard::TEvPrivate::TEvTableStatsError(TableId, ex.Code, ex.Message));
+            Send(ReplyTo, new TDataShard::TEvPrivate::TEvBuildTableStatsError(TableId, ex.Code, ex.Message));
         } catch (...) {
-            Send(ReplyTo, new TDataShard::TEvPrivate::TEvTableStatsError(TableId, ECode::UNKNOWN));
+            Send(ReplyTo, new TDataShard::TEvPrivate::TEvBuildTableStatsError(TableId, ECode::UNKNOWN));
 
             Y_DEBUG_ABORT("unhandled exception");
         }
@@ -136,7 +136,7 @@ class TTableStatsCoroBuilder : public TActorCoroImpl, private IPages, TTableStat
     void RunImpl() {
         ObtainResources();
 
-        auto ev = MakeHolder<TDataShard::TEvPrivate::TEvAsyncTableStats>();
+        auto ev = MakeHolder<TDataShard::TEvPrivate::TEvBuildTableStatsResult>();
         ev->TableId = TableId;
         ev->StatsUpdateTime = StatsUpdateTime;
         ev->PartCount = Subset->Flatten.size() + Subset->ColdParts.size();
@@ -366,7 +366,7 @@ void ListTableNames(const TTables& tables, TStringBuilder& names) {
     }
 }
 
-void TDataShard::Handle(TEvPrivate::TEvAsyncTableStats::TPtr& ev, const TActorContext& ctx) {
+void TDataShard::Handle(TEvPrivate::TEvBuildTableStatsResult::TPtr& ev, const TActorContext& ctx) {
     Actors.erase(ev->Sender);
 
     ui64 tableId = ev->Get()->TableId;
@@ -417,7 +417,7 @@ void TDataShard::Handle(TEvPrivate::TEvAsyncTableStats::TPtr& ev, const TActorCo
     }
 }
 
-void TDataShard::Handle(TEvPrivate::TEvTableStatsError::TPtr& ev, const TActorContext& ctx) {
+void TDataShard::Handle(TEvPrivate::TEvBuildTableStatsError::TPtr& ev, const TActorContext& ctx) {
     Actors.erase(ev->Sender);
 
     auto msg = ev->Get();

ydb/core/tx/datashard/datashard_impl.h

@@ -375,7 +375,7 @@ class TDataShard
 
         struct TEvPeriodicWakeup : public TEventLocal<TEvPeriodicWakeup, EvPeriodicWakeup> {};
 
-        struct TEvAsyncTableStats : public TEventLocal<TEvAsyncTableStats, EvAsyncTableStats> {
+        struct TEvBuildTableStatsResult : public TEventLocal<TEvBuildTableStatsResult, EvAsyncTableStats> {
             ui64 TableId = -1;
             TInstant StatsUpdateTime;
             NTable::TStats Stats;
@@ -387,22 +387,22 @@ class TDataShard
             bool HasSchemaChanges = false;
         };
 
-        struct TEvTableStatsError : public TEventLocal<TEvTableStatsError, EvTableStatsError> {
+        struct TEvBuildTableStatsError : public TEventLocal<TEvBuildTableStatsError, EvTableStatsError> {
             enum class ECode {
                 FETCH_PAGE_FAILED,
                 RESOURCE_ALLOCATION_FAILED,
                 ACTOR_DIED,
                 UNKNOWN
             };
 
-            TEvTableStatsError(ui64 tableId, ECode code, const TString& msg)
+            TEvBuildTableStatsError(ui64 tableId, ECode code, const TString& msg)
                 : TableId(tableId)
                 , Code(code)
                 , Message(msg)
             {}
 
-            TEvTableStatsError(ui64 tableId, ECode code)
-                : TEvTableStatsError(tableId, code, "")
+            TEvBuildTableStatsError(ui64 tableId, ECode code)
+                : TEvBuildTableStatsError(tableId, code, "")
             {}
 
             const ui64 TableId;
@@ -1279,8 +1279,8 @@ class TDataShard
     void Handle(TEvDataShard::TEvSplitTransferSnapshotAck::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvDataShard::TEvSplitPartitioningChanged::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvDataShard::TEvGetTableStats::TPtr& ev, const TActorContext& ctx);
-    void Handle(TEvPrivate::TEvAsyncTableStats::TPtr& ev, const TActorContext& ctx);
-    void Handle(TEvPrivate::TEvTableStatsError::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvPrivate::TEvBuildTableStatsResult::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvPrivate::TEvBuildTableStatsError::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvDataShard::TEvKqpScan::TPtr& ev, const TActorContext& ctx);
     void HandleSafe(TEvDataShard::TEvKqpScan::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvDataShard::TEvUploadRowsRequest::TPtr& ev, const TActorContext& ctx);
@@ -3093,6 +3093,8 @@ class TDataShard
             HFuncTraced(TEvPrivate::TEvMediatorRestoreBackup, Handle);
             HFuncTraced(TEvPrivate::TEvRemoveLockChangeRecords, Handle);
             HFuncTraced(TEvPrivate::TEvRemoveSchemaSnapshots, Handle);
+            HFunc(TEvPrivate::TEvBuildTableStatsResult, Handle);
+            HFunc(TEvPrivate::TEvBuildTableStatsError, Handle);
         default:
             if (!HandleDefaultEvents(ev, SelfId())) {
                 ALOG_WARN(NKikimrServices::TX_DATASHARD, "TDataShard::StateInactive unhandled event type: " << ev->GetTypeRewrite()
@@ -3157,8 +3159,8 @@ class TDataShard
             HFunc(TEvDataShard::TEvSplitTransferSnapshotAck, Handle);
             HFunc(TEvDataShard::TEvSplitPartitioningChanged, Handle);
             HFunc(TEvDataShard::TEvGetTableStats, Handle);
-            HFunc(TEvPrivate::TEvAsyncTableStats, Handle);
-            HFunc(TEvPrivate::TEvTableStatsError, Handle);
+            HFunc(TEvPrivate::TEvBuildTableStatsResult, Handle);
+            HFunc(TEvPrivate::TEvBuildTableStatsError, Handle);
             HFunc(TEvDataShard::TEvKqpScan, Handle);
             HFunc(TEvDataShard::TEvUploadRowsRequest, Handle);
             HFunc(TEvDataShard::TEvEraseRowsRequest, Handle);
@@ -3258,6 +3260,8 @@ class TDataShard
             hFuncTraced(TEvDataShard::TEvReadScanStarted, Handle);
             hFuncTraced(TEvDataShard::TEvReadScanFinished, Handle);
             HFuncTraced(TEvPrivate::TEvPeriodicWakeup, DoPeriodicTasks);
+            HFunc(TEvPrivate::TEvBuildTableStatsResult, Handle);
+            HFunc(TEvPrivate::TEvBuildTableStatsError, Handle);
         default:
             if (!HandleDefaultEvents(ev, SelfId())) {
                 ALOG_WARN(NKikimrServices::TX_DATASHARD, "TDataShard::StateWorkAsFollower unhandled event type: " << ev->GetTypeRewrite()