diff --git a/dbms/src/AggregateFunctions/AggregateFunctionAvg.cpp b/dbms/src/AggregateFunctions/AggregateFunctionAvg.cpp
index e075cf9329a..36b29796b97 100644
--- a/dbms/src/AggregateFunctions/AggregateFunctionAvg.cpp
+++ b/dbms/src/AggregateFunctions/AggregateFunctionAvg.cpp
@@ -27,7 +27,7 @@ AggregateFunctionPtr createAggregateFunctionAvg(const std::string & name, const
     AggregateFunctionPtr res;
     DataTypePtr data_type = argument_types[0];
     if (isDecimal(data_type))
-        res.reset(createWithDecimalType<AggregateFuncAvg>(*data_type));
+        res.reset(createWithDecimalType<AggregateFuncAvg>(*data_type, *data_type));
     else
         res.reset(createWithNumericType<AggregateFuncAvg>(*data_type));
 
diff --git a/dbms/src/AggregateFunctions/AggregateFunctionSum.cpp b/dbms/src/AggregateFunctions/AggregateFunctionSum.cpp
index 2a7f1cfcc90..45a97d2bc83 100644
--- a/dbms/src/AggregateFunctions/AggregateFunctionSum.cpp
+++ b/dbms/src/AggregateFunctions/AggregateFunctionSum.cpp
@@ -50,7 +50,7 @@ AggregateFunctionPtr createAggregateFunctionSum(const std::string & name, const
     AggregateFunctionPtr res;
     DataTypePtr data_type = argument_types[0];
     if (isDecimal(data_type))
-        res.reset(createWithDecimalType<Function>(*data_type));
+        res.reset(createWithDecimalType<Function>(*data_type, *data_type));
     else
         res.reset(createWithNumericType<Function>(*data_type));
 
diff --git a/dbms/src/AggregateFunctions/AggregateFunctionSumMap.cpp b/dbms/src/AggregateFunctions/AggregateFunctionSumMap.cpp
index 7cad7c35092..571d6f5c0a1 100644
--- a/dbms/src/AggregateFunctions/AggregateFunctionSumMap.cpp
+++ b/dbms/src/AggregateFunctions/AggregateFunctionSumMap.cpp
@@ -37,7 +37,9 @@ AggregateFunctionPtr createAggregateFunctionSumMap(const std::string & name, con
         values_types.push_back(array_type->getNestedType());
     }
 
-    AggregateFunctionPtr res(createWithNumericType<AggregateFunctionSumMap>(*keys_type, keys_type, std::move(values_types)));
+    AggregateFunctionPtr res(createWithNumericBasedType<AggregateFunctionSumMap>(*keys_type, keys_type, values_types));
+    if (!res)
+        res.reset(createWithDecimalType<AggregateFunctionSumMap>(*keys_type, keys_type, values_types));
     if (!res)
         throw Exception("Illegal type of argument for aggregate function " + name, ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
 
diff --git a/dbms/src/AggregateFunctions/AggregateFunctionSumMap.h b/dbms/src/AggregateFunctions/AggregateFunctionSumMap.h
index dc27660278a..e89c0bf8411 100644
--- a/dbms/src/AggregateFunctions/AggregateFunctionSumMap.h
+++ b/dbms/src/AggregateFunctions/AggregateFunctionSumMap.h
@@ -8,6 +8,8 @@
 
 #include <Columns/ColumnArray.h>
 #include <Columns/ColumnTuple.h>
+#include <Columns/ColumnVector.h>
+#include <Columns/ColumnDecimal.h>
 
 #include <Common/FieldVisitors.h>
 #include <AggregateFunctions/IAggregateFunction.h>
@@ -53,6 +55,8 @@ class AggregateFunctionSumMap final : public IAggregateFunctionDataHelper<
     AggregateFunctionSumMapData<typename NearestFieldType<T>::Type>, AggregateFunctionSumMap<T>>
 {
 private:
+    using ColVecType = std::conditional_t<IsDecimalNumber<T>, ColumnDecimal<T>, ColumnVector<T>>;
+
     DataTypePtr keys_type;
     DataTypes values_types;
 
@@ -78,7 +82,7 @@ public:
         // Column 0 contains array of keys of known type
         const ColumnArray & array_column = static_cast<const ColumnArray &>(*columns[0]);
         const IColumn::Offsets & offsets = array_column.getOffsets();
-        const auto & keys_vec = static_cast<const ColumnVector<T> &>(array_column.getData());
+        const auto & keys_vec = static_cast<const ColVecType &>(array_column.getData());
         const size_t keys_vec_offset = row_num == 0 ? 0 : offsets[row_num - 1];
         const size_t keys_vec_size = (offsets[row_num] - keys_vec_offset);
 
@@ -99,9 +103,20 @@ public:
             // Insert column values for all keys
             for (size_t i = 0; i < keys_vec_size; ++i)
             {
+                using MapType = std::decay_t<decltype(merged_maps)>;
+                using IteratorType = typename MapType::iterator;
+
                 array_column.getData().get(values_vec_offset + i, value);
                 const auto & key = keys_vec.getData()[keys_vec_offset + i];
-                const auto & it = merged_maps.find(key);
+
+                IteratorType it;
+                if constexpr (IsDecimalNumber<T>)
+                {
+                    UInt32 scale = keys_vec.getData().getScale();
+                    it = merged_maps.find(DecimalField<T>(key, scale));
+                }
+                else
+                    it = merged_maps.find(key);
 
                 if (it != merged_maps.end())
                     applyVisitor(FieldVisitorSum(value), it->second[col]);
@@ -113,7 +128,13 @@ public:
                     for (size_t k = 0; k < new_values.size(); ++k)
                         new_values[k] = (k == col) ? value : values_types[k]->getDefault();
 
-                    merged_maps[key] = std::move(new_values);
+                    if constexpr (IsDecimalNumber<T>)
+                    {
+                        UInt32 scale = keys_vec.getData().getScale();
+                        merged_maps.emplace(DecimalField<T>(key, scale), std::move(new_values));
+                    }
+                    else
+                        merged_maps.emplace(key, std::move(new_values));
                 }
             }
         }
@@ -167,7 +188,10 @@ public:
             for (size_t col = 0; col < values_types.size(); ++col)
                 values_types[col]->deserializeBinary(values[col], buf);
 
-            merged_maps[key.get<T>()] = values;
+            if constexpr (IsDecimalNumber<T>)
+                merged_maps[key.get<DecimalField<T>>()] = values;
+            else
+                merged_maps[key.get<T>()] = values;
         }
     }
 
diff --git a/dbms/src/AggregateFunctions/AggregateFunctionsStatisticsSimple.cpp b/dbms/src/AggregateFunctions/AggregateFunctionsStatisticsSimple.cpp
index 35bee73c9d8..4159403afc7 100644
--- a/dbms/src/AggregateFunctions/AggregateFunctionsStatisticsSimple.cpp
+++ b/dbms/src/AggregateFunctions/AggregateFunctionsStatisticsSimple.cpp
@@ -24,9 +24,7 @@ AggregateFunctionPtr createAggregateFunctionStatisticsUnary(const std::string &
     AggregateFunctionPtr res;
     DataTypePtr data_type = argument_types[0];
     if (isDecimal(data_type))
-    {
-        res.reset(createWithDecimalType<FunctionTemplate>(*data_type));
-    }
+        res.reset(createWithDecimalType<FunctionTemplate>(*data_type, *data_type));
     else
         res.reset(createWithNumericType<FunctionTemplate>(*data_type));
 
diff --git a/dbms/src/AggregateFunctions/Helpers.h b/dbms/src/AggregateFunctions/Helpers.h
index d8ef3240d64..e98da75cd53 100644
--- a/dbms/src/AggregateFunctions/Helpers.h
+++ b/dbms/src/AggregateFunctions/Helpers.h
@@ -70,13 +70,28 @@ static IAggregateFunction * createWithUnsignedIntegerType(const IDataType & argu
     return nullptr;
 }
 
+template <template <typename> class AggregateFunctionTemplate, typename ... TArgs>
+static IAggregateFunction * createWithNumericBasedType(const IDataType & argument_type, TArgs && ... args)
+{
+    IAggregateFunction * f = createWithNumericType<AggregateFunctionTemplate>(argument_type, std::forward<TArgs>(args)...);
+    if (f)
+        return f;
+
+    /// expects that DataTypeDate based on UInt16, DataTypeDateTime based on UInt32 and UUID based on UInt128
+    WhichDataType which(argument_type);
+    if (which.idx == TypeIndex::Date) return new AggregateFunctionTemplate<UInt16>(std::forward<TArgs>(args)...);
+    if (which.idx == TypeIndex::DateTime) return new AggregateFunctionTemplate<UInt32>(std::forward<TArgs>(args)...);
+    if (which.idx == TypeIndex::UUID) return new AggregateFunctionTemplate<UInt128>(std::forward<TArgs>(args)...);
+    return nullptr;
+}
+
 template <template <typename> class AggregateFunctionTemplate, typename ... TArgs>
 static IAggregateFunction * createWithDecimalType(const IDataType & argument_type, TArgs && ... args)
 {
     WhichDataType which(argument_type);
-    if (which.idx == TypeIndex::Decimal32) return new AggregateFunctionTemplate<Decimal32>(argument_type, std::forward<TArgs>(args)...);
-    if (which.idx == TypeIndex::Decimal64) return new AggregateFunctionTemplate<Decimal64>(argument_type, std::forward<TArgs>(args)...);
-    if (which.idx == TypeIndex::Decimal128) return new AggregateFunctionTemplate<Decimal128>(argument_type, std::forward<TArgs>(args)...);
+    if (which.idx == TypeIndex::Decimal32) return new AggregateFunctionTemplate<Decimal32>(std::forward<TArgs>(args)...);
+    if (which.idx == TypeIndex::Decimal64) return new AggregateFunctionTemplate<Decimal64>(std::forward<TArgs>(args)...);
+    if (which.idx == TypeIndex::Decimal128) return new AggregateFunctionTemplate<Decimal128>(std::forward<TArgs>(args)...);
     return nullptr;
 }
 
diff --git a/dbms/tests/queries/0_stateless/00502_sum_map.reference b/dbms/tests/queries/0_stateless/00502_sum_map.reference
index 83952c1780c..6da96805974 100644
--- a/dbms/tests/queries/0_stateless/00502_sum_map.reference
+++ b/dbms/tests/queries/0_stateless/00502_sum_map.reference
@@ -8,3 +8,10 @@
 2000-01-01 00:01:00	([4,5,6,7,8],[10,10,20,10,10])
 2000-01-01 00:00:00	[1,2,3,4,5]	[10,10,20,10,10]
 2000-01-01 00:01:00	[4,5,6,7,8]	[10,10,20,10,10]
+([1],[1])
+([1],[1])
+(['a'],[1])
+(['1970-01-01 03:00:01'],[1])
+(['1970-01-02'],[1])
+(['01234567-89ab-cdef-0123-456789abcdef'],[1])
+([1.01],[1])
diff --git a/dbms/tests/queries/0_stateless/00502_sum_map.sql b/dbms/tests/queries/0_stateless/00502_sum_map.sql
index 2e8c13cd92c..39fb1f04333 100644
--- a/dbms/tests/queries/0_stateless/00502_sum_map.sql
+++ b/dbms/tests/queries/0_stateless/00502_sum_map.sql
@@ -1,3 +1,6 @@
+SET send_logs_level = 'none';
+
+CREATE DATABASE IF NOT EXISTS test;
 DROP TABLE IF EXISTS test.sum_map;
 CREATE TABLE test.sum_map(date Date, timeslot DateTime, statusMap Nested(status UInt16, requests UInt64)) ENGINE = Log;
 
@@ -10,3 +13,15 @@ SELECT timeslot, sumMap(statusMap.status, statusMap.requests) FROM test.sum_map
 SELECT timeslot, sumMap(statusMap.status, statusMap.requests).1, sumMap(statusMap.status, statusMap.requests).2 FROM test.sum_map GROUP BY timeslot ORDER BY timeslot;
 
 DROP TABLE test.sum_map;
+
+select sumMap(val, cnt) from ( SELECT [ CAST(1, 'UInt64') ] as val, [1] as cnt );
+select sumMap(val, cnt) from ( SELECT [ CAST(1, 'Float64') ] as val, [1] as cnt );
+select sumMap(val, cnt) from ( SELECT [ CAST('a', 'Enum16(\'a\'=1)') ] as val, [1] as cnt );
+
+select sumMap(val, cnt) from ( SELECT [ CAST(1, 'DateTime') ] as val, [1] as cnt );
+select sumMap(val, cnt) from ( SELECT [ CAST(1, 'Date') ] as val, [1] as cnt );
+select sumMap(val, cnt) from ( SELECT [ CAST('01234567-89ab-cdef-0123-456789abcdef', 'UUID') ] as val, [1] as cnt );
+select sumMap(val, cnt) from ( SELECT [ CAST(1.01, 'Decimal(10,2)') ] as val, [1] as cnt );
+
+select sumMap(val, cnt) from ( SELECT [ CAST('a', 'FixedString(1)') ] as val, [1] as cnt ); -- { serverError 43 }
+select sumMap(val, cnt) from ( SELECT [ CAST('a', 'String') ] as val, [1] as cnt ); -- { serverError 43 }
diff --git a/docs/fa/introduction/features_considered_disadvantages.md b/docs/fa/introduction/features_considered_disadvantages.md
index f3984cf1883..0c9e1b0cf8a 100644
--- a/docs/fa/introduction/features_considered_disadvantages.md
+++ b/docs/fa/introduction/features_considered_disadvantages.md
@@ -4,6 +4,6 @@
 
 1. بدون پشتیبانی کامل از تراکنش
 2. عدم توانایی در تغییر و یا حذف داده های insert شده با rate بالا و latency کم. روشی برای پاک کردن دسته ای داده ها و یا مطابق با قوانین [GDPR](https://gdpr-info.eu) وجود دارد. بروزرسانی دسته ای از July 2018 در حال توسعه می باشد. 
-3. Sparse index باعث میشه که ClickHouse چندان مناسب اجرای query های pint query برای دریافت یک ردیف از داده ها با استفاده از کلید آنها نباشه.
+3. Sparse index باعث می شود ClickHouse چندان مناسب اجرای پرسمان های point query برای دریافت یک ردیف از داده ها با استفاده از کلید آنها نباشد.
 
-</div>
\ No newline at end of file
+</div>