ClickHouse/src/TableFunctions/TableFunctionExplain.h
2023-01-11 10:53:13 +00:00

32 lines
866 B
C++

#pragma once
#include <TableFunctions/ITableFunction.h>
#include <Parsers/ASTExplainQuery.h>
#include <Interpreters/InterpreterExplainQuery.h>
#include <base/types.h>
namespace DB
{
class TableFunctionExplain : public ITableFunction
{
public:
static constexpr auto name = "viewExplain";
std::string getName() const override { return name; }
private:
StoragePtr executeImpl(const ASTPtr & ast_function, ContextPtr context, const String & table_name, ColumnsDescription cached_columns) const override;
const char * getStorageTypeName() const override { return "Explain"; }
void parseArguments(const ASTPtr & ast_function, ContextPtr context) override;
ColumnsDescription getActualTableStructure(ContextPtr context) const override;
InterpreterExplainQuery getInterpreter(ContextPtr context) const;
ASTPtr query = nullptr;
};
}