diff --git a/src/Interpreters/InterpreterSelectQuery.cpp b/src/Interpreters/InterpreterSelectQuery.cpp
index e1faa8c8958..5e7ece5912f 100644
--- a/src/Interpreters/InterpreterSelectQuery.cpp
+++ b/src/Interpreters/InterpreterSelectQuery.cpp
@@ -684,7 +684,7 @@ InterpreterSelectQuery::InterpreterSelectQuery(
         if (!options.only_analyze)
         {
             if (query.sampleSize() && (input_pipe || !storage || !storage->supportsSampling()))
-                throw Exception(ErrorCodes::SAMPLING_NOT_SUPPORTED, "Illegal SAMPLE: table doesn't support sampling");
+                throw Exception(ErrorCodes::SAMPLING_NOT_SUPPORTED, "Illegal SAMPLE: table {} doesn't support sampling", storage->getStorageID().getNameForLogs());
 
             if (query.final() && (input_pipe || !storage || !storage->supportsFinal()))
             {
diff --git a/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp b/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
index 275103ce2c1..92b98a0af0c 100644
--- a/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
+++ b/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
@@ -629,7 +629,7 @@ MergeTreeDataSelectSamplingData MergeTreeDataSelectExecutor::getSampling(
 
         RelativeSize size_of_universum = 0;
         const auto & sampling_key = metadata_snapshot->getSamplingKey();
-        DataTypePtr sampling_column_type = sampling_key.data_types[0];
+        DataTypePtr sampling_column_type = sampling_key.data_types.at(0);
 
         if (sampling_key.data_types.size() == 1)
         {
diff --git a/src/Storages/StorageMerge.cpp b/src/Storages/StorageMerge.cpp
index c14abfc9ab2..b6253fa6daf 100644
--- a/src/Storages/StorageMerge.cpp
+++ b/src/Storages/StorageMerge.cpp
@@ -458,7 +458,7 @@ void ReadFromMerge::initializePipeline(QueryPipelineBuilder & pipeline, const Bu
 
         /// If sampling requested, then check that table supports it.
         if (sampling_requested && !storage->supportsSampling())
-            throw Exception(ErrorCodes::SAMPLING_NOT_SUPPORTED, "Illegal SAMPLE: table doesn't support sampling");
+            throw Exception(ErrorCodes::SAMPLING_NOT_SUPPORTED, "Illegal SAMPLE: table {} doesn't support sampling", storage->getStorageID().getNameForLogs());
 
         Aliases aliases;
         auto storage_metadata_snapshot = storage->getInMemoryMetadataPtr();