ClickHouse/dbms/DataStreams/AddingDefaultsBlockInputStream.h
Ivan 97f2a2213e
Move all folders inside /dbms one level up (#9974)
* Move some code outside dbms/src folder
* Fix paths
2020-04-02 02:51:21 +03:00

33 lines
756 B
C++

#pragma once
#include <DataStreams/IBlockInputStream.h>
#include <Storages/ColumnDefault.h>
#include <Interpreters/Context.h>
namespace DB
{
/// Adds defaults to columns using BlockDelayedDefaults bitmask attached to Block by child InputStream.
class AddingDefaultsBlockInputStream : public IBlockInputStream
{
public:
AddingDefaultsBlockInputStream(
const BlockInputStreamPtr & input,
const ColumnDefaults & column_defaults_,
const Context & context_);
String getName() const override { return "AddingDefaults"; }
Block getHeader() const override { return header; }
protected:
Block readImpl() override;
private:
Block header;
const ColumnDefaults column_defaults;
const Context & context;
};
}