diff --git a/clickhouse/columns/date.cpp b/clickhouse/columns/date.cpp
index 3bc9662b..4e48129f 100644
--- a/clickhouse/columns/date.cpp
+++ b/clickhouse/columns/date.cpp
@@ -23,11 +23,14 @@ std::time_t ColumnDate::At(size_t n) const {
     return static_cast<std::time_t>(data_->At(n)) * 86400;
 }
 
-
 void ColumnDate::Append(uint16_t value) {
     data_->Append(value);
 }
 
+void ColumnDate::AppendRaw(uint16_t value) {
+    data_->Append(value);
+}
+
 uint16_t ColumnDate::RawAt(size_t n) const {
     return data_->At(n);
 }
@@ -77,7 +80,6 @@ ItemView ColumnDate::GetItem(size_t index) const {
 }
 
 
-
 ColumnDate32::ColumnDate32()
     : Column(Type::CreateDate32())
     , data_(std::make_shared<ColumnInt32>())
@@ -108,6 +110,10 @@ void ColumnDate32::Append(int32_t value) {
     data_->Append(value);
 }
 
+void ColumnDate32::AppendRaw(int32_t value) {
+    data_->Append(value);
+}
+
 int32_t ColumnDate32::RawAt(size_t n) const {
     return data_->At(n);
 }
diff --git a/clickhouse/columns/date.h b/clickhouse/columns/date.h
index 2c5202ff..5d3770be 100644
--- a/clickhouse/columns/date.h
+++ b/clickhouse/columns/date.h
@@ -24,7 +24,7 @@ class ColumnDate : public Column {
 
     /// Do data as is -- number of day in Unix epoch, no conversions performed
     void Append(uint16_t value);
-    void AppendRaw(uint16_t value) { Append(value); }
+    void AppendRaw(uint16_t value);
     uint16_t RawAt(size_t n) const;
     uint16_t operator [] (size_t n) const;
 
@@ -74,7 +74,7 @@ class ColumnDate32 : public Column {
 
     /// Do data as is -- number of day in Unix epoch, no conversions performed
     void Append(int32_t value);
-    void AppendRaw(int32_t value) { Append(value); }
+    void AppendRaw(int32_t value);
     int32_t RawAt(size_t n) const;
     int32_t operator [] (size_t n) const;
 
diff --git a/ut/Column_ut.cpp b/ut/Column_ut.cpp
index 544be975..8432009f 100644
--- a/ut/Column_ut.cpp
+++ b/ut/Column_ut.cpp
@@ -66,7 +66,7 @@ class GenericColumnTest : public testing::Test {
         } else if constexpr (std::is_same_v<ColumnType, ColumnFixedString>) {
             return GenerateVector(values_size, FromVectorGenerator{MakeFixedStrings(12)});
         } else if constexpr (std::is_same_v<ColumnType, ColumnDate>) {
-            return GenerateVector(values_size, FromVectorGenerator{MakeDates()});
+            return GenerateVector(values_size, FromVectorGenerator{MakeDates<time_t>()});
         } else if constexpr (std::is_same_v<ColumnType, ColumnDateTime>) {
             return GenerateVector(values_size, FromVectorGenerator{MakeDateTimes()});
         } else if constexpr (std::is_same_v<ColumnType, ColumnDateTime64>) {
@@ -143,6 +143,14 @@ using ValueColumns = ::testing::Types<
 >;
 TYPED_TEST_SUITE(GenericColumnTest, ValueColumns);
 
+//TestCase(TypeCreatorFunc, ValuesGeneratorFunc)
+
+
+//class GenericColumnTestCase
+//{
+//    virutual
+//};
+
 TYPED_TEST(GenericColumnTest, Construct) {
     auto column = this->MakeColumn();
     ASSERT_EQ(0u, column->Size());
diff --git a/ut/value_generators.cpp b/ut/value_generators.cpp
index 41e36a61..805f22ad 100644
--- a/ut/value_generators.cpp
+++ b/ut/value_generators.cpp
@@ -1,6 +1,7 @@
 #include "value_generators.h"
 
 #include <algorithm>
+#include <type_traits>
 #include <math.h>
 
 namespace {
@@ -53,25 +54,13 @@ std::vector<Int64> MakeDateTime64s(size_t scale, size_t values_size) {
         });
 }
 
-std::vector<clickhouse::Int64> MakeDates() {
-    // in CH Date internally a UInt16 and stores a day number
-    // ColumnDate expects values to be seconds, which is then
-    // converted to day number internally, hence the `* 86400`.
-    std::vector<clickhouse::Int64> result {0, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536 - 1};
-    std::for_each(result.begin(), result.end(), [](auto& value) {
-        value *= 86400;
-    });
-
-    return result;
-}
-
-std::vector<clickhouse::Int64> MakeDates32() {
+std::vector<int32_t> MakeDates32() {
     // in CH Date32 internally a UInt32 and stores a day number
     // ColumnDate expects values to be seconds, which is then
     // converted to day number internally, hence the `* 86400`.
     // 114634 * 86400 is 2282-11-10, last integer that fits into DateTime32 range
     // (max is 2283-11-11)
-    std::vector<clickhouse::Int64> result  = MakeDates();
+    std::vector<int32_t> result = MakeDates<int32_t>();
 
     // add corresponding negative values, since pre-epoch date are supported too.
     const auto size = result.size();
diff --git a/ut/value_generators.h b/ut/value_generators.h
index 3632ca9e..28e54adc 100644
--- a/ut/value_generators.h
+++ b/ut/value_generators.h
@@ -33,8 +33,7 @@ std::vector<uint8_t> MakeBools();
 std::vector<std::string> MakeFixedStrings(size_t string_size);
 std::vector<std::string> MakeStrings();
 std::vector<clickhouse::Int64> MakeDateTime64s(size_t scale, size_t values_size = 200);
-std::vector<clickhouse::Int64> MakeDates();
-std::vector<clickhouse::Int64> MakeDates32();
+std::vector<int32_t> MakeDates32();
 std::vector<clickhouse::Int64> MakeDateTimes();
 std::vector<in_addr> MakeIPv4s();
 std::vector<in6_addr> MakeIPv6s();
@@ -42,6 +41,23 @@ std::vector<clickhouse::UUID> MakeUUIDs();
 std::vector<clickhouse::Int128> MakeInt128s();
 std::vector<clickhouse::Int128> MakeDecimals(size_t precision, size_t scale);
 
+template <typename ResultType>
+std::vector<ResultType> MakeDates() {
+    std::vector<ResultType> result {0, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536 - 1};
+
+    if constexpr (std::is_same_v<time_t, ResultType>) {
+        // in CH Date internally a UInt16 and stores a day number
+        // ColumnDate expects values to be seconds, which is then
+        // converted to day number internally, hence the `* 86400`.
+        std::for_each(result.begin(), result.end(), [](auto& value) {
+            value *= 86400;
+        });
+    }
+
+    return result;
+}
+
+
 std::string FooBarGenerator(size_t i);
 
 template <typename ValueType = void, typename Generator>