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Fix 02982_parallel_replicas_unexpected_cluster
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@ -736,6 +736,12 @@ bool canUseParallelReplicasOnInitiator(const ContextPtr & context)
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return cluster->getShardsInfo().at(shard_num - 1).getAllNodeCount() > 1;
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}
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if (cluster->getShardCount() > 1)
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throw DB::Exception(
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ErrorCodes::UNEXPECTED_CLUSTER,
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"`cluster_for_parallel_replicas` setting refers to cluster with {} shards. Expected a cluster with one shard",
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cluster->getShardCount());
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return false;
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}
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