ClickHouse/dbms/include/DB/DataStreams/ValuesRowInputStream.h
2017-04-01 11:35:09 +03:00

34 lines
741 B
C++

#pragma once
#include <DB/DataStreams/IRowInputStream.h>
namespace DB
{
class Block;
class Context;
class ReadBuffer;
/** Stream to read data in VALUES format (as in INSERT query).
*/
class ValuesRowInputStream : public IRowInputStream
{
public:
/** Data is parsed using fast, streaming parser.
* If interpret_expressions is true, it will, in addition, try to use SQL parser and interpreter
* in case when streaming parser could not parse field (this is very slow).
*/
ValuesRowInputStream(ReadBuffer & istr_, const Context & context_, bool interpret_expressions_);
bool read(Block & block) override;
private:
ReadBuffer & istr;
const Context & context;
bool interpret_expressions;
};
}