Removed column clone from project action.

This commit is contained in:
Nikolai Kochetov 2018-11-02 12:56:37 +03:00
parent 3f21362755
commit 9332dd5d2f

View File

@ -485,8 +485,6 @@ void ExpressionAction::execute(Block & block, std::unordered_map<std::string, si
const std::string & name = projection[i].first;
const std::string & alias = projection[i].second;
ColumnWithTypeAndName column = block.getByName(name);
if (column.column)
column.column = (*std::move(column.column)).mutate();
if (alias != "")
column.name = alias;
new_block.insert(std::move(column));