diff --git a/dbms/src/Functions/FunctionsHigherOrder.h b/dbms/src/Functions/FunctionsHigherOrder.h
index b02653b5320..b97ece46f90 100644
--- a/dbms/src/Functions/FunctionsHigherOrder.h
+++ b/dbms/src/Functions/FunctionsHigherOrder.h
@@ -62,7 +62,6 @@ struct ArrayCumSumImpl
 
     static DataTypePtr getReturnType(const DataTypePtr & expression_return, const DataTypePtr & /*array_element*/)
     {
-        //return std::make_shared<DataTypeArray>(array_element);
         if (checkDataType<DataTypeUInt8>(&*expression_return) ||
             checkDataType<DataTypeUInt16>(&*expression_return) ||
             checkDataType<DataTypeUInt32>(&*expression_return) ||
@@ -79,7 +78,7 @@ struct ArrayCumSumImpl
             checkDataType<DataTypeFloat64>(&*expression_return))
         	return std::make_shared<DataTypeArray>(std::make_shared<DataTypeFloat64>());
 
-        throw Exception("arraySum cannot add values of type " + expression_return->getName(), ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
+        throw Exception("arrayCumSum cannot add values of type " + expression_return->getName(), ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
     }
 
 
@@ -90,7 +89,7 @@ struct ArrayCumSumImpl
         if (!column)
            return false;
 
-        /*if (!column)
+        if (!column)
         {
             const ColumnConst * column_const = checkAndGetColumnConst<ColumnVector<Element>>(&*mapped);
 
@@ -99,9 +98,10 @@ struct ArrayCumSumImpl
 
             const Element x = column_const->template getValue<Element>();
 
-            auto res_nested = ColumnVector<Result>::create();
-            ColumnVector<Result>::Container & res_values = res_nested->getData();
-            res_values.resize(offsets.size());
+ i   	// create output column
+		auto res_nested = ColumnVector<Result>::create();
+		typename ColumnVector<Result>::Container & res_values = res_nested->getData();
+		res_values.resize(data.size());
 
             size_t pos = 0;
             for (size_t i = 0; i < offsets.size(); ++i)
@@ -115,7 +115,7 @@ struct ArrayCumSumImpl
 
             res_ptr = ColumnArray::create(std::move(res_nested), offsets);
             return true;
-        }*/
+        }
 
         const IColumn::Offsets & offsets = array.getOffsets();
         const typename ColumnVector<Element>::Container & data = column->getData();
diff --git a/dbms/tests/queries/0_stateless/00182_functions_higher_order_and_consts.sql b/dbms/tests/queries/0_stateless/00182_functions_higher_order_and_consts.sql
index 5513df2e1b0..4f8772d807b 100644
--- a/dbms/tests/queries/0_stateless/00182_functions_higher_order_and_consts.sql
+++ b/dbms/tests/queries/0_stateless/00182_functions_higher_order_and_consts.sql
@@ -51,6 +51,13 @@ SELECT arrayFirstIndex(x -> 0, range(number)) FROM system.numbers LIMIT 10;
 SELECT arrayFirstIndex(x -> 1, emptyArrayUInt8());
 SELECT arrayFirstIndex(x -> 1, [1, 2, 3]);
 SELECT arrayFirstIndex(x -> 1, range(number)) FROM system.numbers LIMIT 10;
+SELECT '---cumsum---';
+SELECT arrayCumSum(x -> 0, emptyArrayUInt8());
+SELECT arrayCumSum(x -> 0, [1, 2, 3]);
+SELECT arrayCumSum(x -> 0, range(number)) FROM system.numbers LIMIT 10;
+SELECT arrayCumSum(x -> 10, emptyArrayUInt8());
+SELECT arrayCumSum(x -> 10, [1, 2, 3]);
+SELECT arrayCumSum(x -> 10, range(number)) FROM system.numbers LIMIT 10;
 
 SELECT '---map--';
 SELECT arrayMap(x -> materialize(123), emptyArrayUInt8());
@@ -105,6 +112,13 @@ SELECT arrayFirstIndex(x -> materialize(0), range(number)) FROM system.numbers L
 SELECT arrayFirstIndex(x -> materialize(1), emptyArrayUInt8());
 SELECT arrayFirstIndex(x -> materialize(1), [1, 2, 3]);
 SELECT arrayFirstIndex(x -> materialize(1), range(number)) FROM system.numbers LIMIT 10;
+SELECT '--cumsum---';
+SELECT arrayCumSum(x -> materialize(0), emptyArrayUInt8());
+SELECT arrayCumSum(x -> materialize(0), [1, 2, 3]);
+SELECT arrayCumSum(x -> materialize(0), range(number)) FROM system.numbers LIMIT 10;
+SELECT arrayCumSum(x -> materialize(10), emptyArrayUInt8());
+SELECT arrayCumSum(x -> materialize(10), [1, 2, 3]);
+SELECT arrayCumSum(x -> materialize(10), range(number)) FROM system.numbers LIMIT 10;
 
 SELECT '---map--';
 SELECT arrayMap(x -> 123, emptyArrayString());
@@ -159,6 +173,13 @@ SELECT arrayFirstIndex(x -> 0, arrayMap(x -> toString(x), range(number))) FROM s
 SELECT arrayFirstIndex(x -> 1, emptyArrayString());
 SELECT arrayFirstIndex(x -> 1, arrayMap(x -> toString(x), [1, 2, 3]));
 SELECT arrayFirstIndex(x -> 1, arrayMap(x -> toString(x), range(number))) FROM system.numbers LIMIT 10;
+SELECT '---cumsum---';
+SELECT arrayCumSum(x -> 0, emptyArrayString());
+SELECT arrayCumSum(x -> 0, arrayMap(x -> toString(x), [1, 2, 3]));
+SELECT arrayCumSum(x -> 0, arrayMap(x -> toString(x), range(number))) FROM system.numbers LIMIT 10;
+SELECT arrayCumSum(x -> 10, emptyArrayString());
+SELECT arrayCumSum(x -> 10, arrayMap(x -> toString(x), [1, 2, 3]));
+SELECT arrayCumSum(x -> 10, arrayMap(x -> toString(x), range(number))) FROM system.numbers LIMIT 10;
 
 SELECT '---map--';
 SELECT arrayMap(x -> materialize(123), emptyArrayString());
@@ -213,7 +234,13 @@ SELECT arrayFirstIndex(x -> materialize(0), arrayMap(x -> toString(x), range(num
 SELECT arrayFirstIndex(x -> materialize(1), emptyArrayString());
 SELECT arrayFirstIndex(x -> materialize(1), arrayMap(x -> toString(x), [1, 2, 3]));
 SELECT arrayFirstIndex(x -> materialize(1), arrayMap(x -> toString(x), range(number))) FROM system.numbers LIMIT 10;
-
+SELECT '---cumsum---';
+SELECT arrayCumSum(x -> materialize(0), emptyArrayString());
+SELECT arrayCumSum(x -> materialize(0), arrayMap(x -> toString(x), [1, 2, 3]));
+SELECT arrayCumSum(x -> materialize(0), arrayMap(x -> toString(x), range(number))) FROM system.numbers LIMIT 10;
+SELECT arrayCumSum(x -> materialize(10), emptyArrayString());
+SELECT arrayCumSum(x -> materialize(10), arrayMap(x -> toString(x), [1, 2, 3]));
+SELECT arrayCumSum(x -> materialize(10), arrayMap(x -> toString(x), range(number))) FROM system.numbers LIMIT 10;
 
 SELECT '--- ---';
 SELECT arrayMap(x -> number % 2, range(number)) FROM system.numbers LIMIT 10;
@@ -224,6 +251,7 @@ SELECT arrayAll(x -> number % 2, range(number)) FROM system.numbers LIMIT 10;
 SELECT arrayExists(x -> number % 2, range(number)) FROM system.numbers LIMIT 10;
 SELECT arrayFirst(x -> number % 2, range(number)) FROM system.numbers LIMIT 10;
 SELECT arrayFirstIndex(x -> number % 2, range(number)) FROM system.numbers LIMIT 10;
+SELECT arrayCumSum(x -> number % 2, range(number)) FROM system.numbers LIMIT 10;
 SELECT '--- ---';
 SELECT arrayMap(x -> number % 2, arrayMap(x -> toString(x), range(number))) FROM system.numbers LIMIT 10;
 SELECT arrayFilter(x -> number % 2, arrayMap(x -> toString(x), range(number))) FROM system.numbers LIMIT 10;
@@ -233,3 +261,4 @@ SELECT arrayAll(x -> number % 2, arrayMap(x -> toString(x), range(number))) FROM
 SELECT arrayExists(x -> number % 2, arrayMap(x -> toString(x), range(number))) FROM system.numbers LIMIT 10;
 SELECT arrayFirst(x -> number % 2, arrayMap(x -> toString(x), range(number))) FROM system.numbers LIMIT 10;
 SELECT arrayFirstIndex(x -> number % 2, arrayMap(x -> toString(x), range(number))) FROM system.numbers LIMIT 10;
+SELECT arrayCumSum(x -> number % 2, arrayMap(x -> toString(x), range(number))) FROM system.numbers LIMIT 10;