Add AppendRaw to ColumnDateTime

Author: rtcote

clickhouse/columns/date.cpp

@@ -200,6 +200,10 @@ std::time_t ColumnDateTime::At(size_t n) const {
     return data_->At(n);
 }
 
+void ColumnDateTime::AppendRaw(uint32_t value) {
+    data_->Append(value);
+}
+
 std::string ColumnDateTime::Timezone() const {
     return type_->As<DateTimeType>()->Timezone();
 }

clickhouse/columns/date.h

@@ -150,6 +150,9 @@ class ColumnDateTime : public Column {
     std::time_t At(size_t n) const;
     inline std::time_t operator [] (size_t n) const { return At(n); }
 
+    /// Append raw as UNIX epoch seconds in uint32
+    void AppendRaw(uint32_t value);
+
     /// Timezone associated with a data column.
     std::string Timezone() const;
 

ut/columns_ut.cpp

@@ -421,8 +421,8 @@ TEST(ColumnsCase, Date32Swap) {
 TEST(ColumnsCase, DateTimeSwap) {
     auto col = std::make_shared<ColumnDateTime>();
 
-    col->Append(1u);
-    col->Append(1234u);
+    col->AppendRaw(1u);
+    col->AppendRaw(1234u);
 
     ASSERT_EQ(col->Size(), 2u);
     ASSERT_EQ(col->At(0),  1u);