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Removed column clone from project action.

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This commit is contained in:
Nikolai Kochetov 2018-11-02 12:57:29 +03:00
parent 9332dd5d2f
commit ecd48dfd07
1 changed files with 0 additions and 2 deletions
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2
dbms/src/Interpreters/ExpressionActions.cpp
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@ -271,8 +271,6 @@ void ExpressionAction::prepare(Block & sample_block, const Settings & settings)
const std::string & name = projection[i].first;
const std::string & alias = projection[i].second;
ColumnWithTypeAndName column = sample_block.getByName(name);
if (column.column)
column.column = (*std::move(column.column)).mutate();
if (alias != "")
column.name = alias;
new_block.insert(std::move(column));