ClickHouse/src/Interpreters/InterpreterExplainQuery.h
Ivan 495c6e03aa
Replace all Context references with std::weak_ptr (#22297)
* Replace all Context references with std::weak_ptr

* Fix shared context captured by value

* Fix build

* Fix Context with named sessions

* Fix copy context

* Fix gcc build

* Merge with master and fix build

* Fix gcc-9 build
2021-04-11 02:33:54 +03:00

28 lines
479 B
C++

#pragma once
#include <Interpreters/IInterpreter.h>
#include <Parsers/IAST_fwd.h>
namespace DB
{
/// Returns single row with explain results
class InterpreterExplainQuery : public IInterpreter, WithContext
{
public:
InterpreterExplainQuery(const ASTPtr & query_, ContextPtr context_) : WithContext(context_), query(query_) { }
BlockIO execute() override;
static Block getSampleBlock();
private:
ASTPtr query;
BlockInputStreamPtr executeImpl();
};
}