fix

Author: niksaveliev

ydb/core/persqueue/utils.cpp

@@ -33,7 +33,7 @@ ui64 TopicPartitionReserveThroughput(const NKikimrPQ::TPQTabletConfig& config) {
 }
 
 bool SplitMergeEnabled(const NKikimrPQ::TPQTabletConfig& config) {
-    return 0 < config.GetPartitionStrategy().GetMaxPartitionCount();
+    return config.has_partitionstrategy() && config.partitionstrategy().has_partitionstrategytype() && config.partitionstrategy().partitionstrategytype() != ::NKikimrPQ::TPQTabletConfig_TPartitionStrategyType::TPQTabletConfig_TPartitionStrategyType_DISABLED;
 }
 
 static constexpr ui64 PUT_UNIT_SIZE = 40960u; // 40Kb

ydb/public/lib/ydb_cli/commands/ydb_service_topic.cpp

@@ -305,8 +305,14 @@ namespace {
         NYdb::NTopic::TTopicClient topicClient(driver);
 
         auto settings = NYdb::NTopic::TCreateTopicSettings();
-        Y_ABORT_UNLESS(GetAutoscalingStrategy() || GetScaleThresholdTime() || GetScaleUpThresholdPercent() || GetScaleDownThresholdPercent(), "Autoscaling parameters for TCommandTopicCreate can not be empty");
-        auto autoscaleSettings = NTopic::TAutoscalingSettings(*GetAutoscalingStrategy(), TDuration::Seconds(*GetScaleThresholdTime()), *GetScaleUpThresholdPercent(), *GetScaleDownThresholdPercent());
+
+        auto autoscaleSettings = NTopic::TAutoscalingSettings(
+        GetAutoscalingStrategy() ? *GetAutoscalingStrategy() : NTopic::EAutoscalingStrategy::Disabled,
+        GetScaleThresholdTime() ? TDuration::Seconds(*GetScaleThresholdTime()) : TDuration::Seconds(0),
+        GetScaleUpThresholdPercent() ? *GetScaleUpThresholdPercent() : 0,
+        GetScaleDownThresholdPercent() ? *GetScaleDownThresholdPercent() : 0);
+
+        settings.PartitioningSettings(MinActivePartitions_, MaxActivePartitions_, autoscaleSettings);
         settings.PartitionWriteBurstBytes(PartitionWriteSpeedKbps_ * 1_KB);
         settings.PartitionWriteSpeedBytesPerSecond(PartitionWriteSpeedKbps_ * 1_KB);
 

ydb/public/sdk/cpp/client/ydb_topic/include/control_plane.h

@@ -558,7 +558,7 @@ struct TCreateTopicSettings : public TOperationRequestSettings<TCreateTopicSetti
         return *this;
     }
 
-    TCreateTopicSettings& PartitioningSettings(ui64 minActivePartitions, ui64 /*partitionCountLimit*/, ui64 maxActivePartitions = 0, TAutoscalingSettings autoscalingSettings = {}) {
+    TCreateTopicSettings& PartitioningSettings(ui64 minActivePartitions, ui64 maxActivePartitions, TAutoscalingSettings autoscalingSettings = {}) {
         PartitioningSettings_ = TPartitioningSettings(minActivePartitions, maxActivePartitions, autoscalingSettings);
         return *this;
     }