Add move semantic for ColumnEnum

Author: bduminiuc

clickhouse/columns/enum.cpp

@@ -20,6 +20,13 @@ ColumnEnum<T>::ColumnEnum(TypeRef type, const std::vector<T>& data)
 {
 }
 
+template <typename T>
+ColumnEnum<T>::ColumnEnum(TypeRef type, std::vector<T>&& data)
+    : Column(type)
+    , data_(std::move(data))
+{
+}
+
 template <typename T>
 void ColumnEnum<T>::Append(const T& value, bool checkValue) {
     if  (checkValue) {

clickhouse/columns/enum.h

@@ -12,6 +12,7 @@ class ColumnEnum : public Column {
 
     ColumnEnum(TypeRef type);
     ColumnEnum(TypeRef type, const std::vector<T>& data);
+    ColumnEnum(TypeRef type, std::vector<T>&& data);
 
     /// Appends one element to the end of column.
     void Append(const T& value, bool checkValue = false);