2013-02-21 10:02:33 +00:00
|
|
|
#pragma once
|
|
|
|
|
|
2017-04-01 09:19:00 +00:00
|
|
|
#include <Interpreters/IInterpreter.h>
|
2019-03-11 14:01:45 +00:00
|
|
|
#include <Parsers/IAST_fwd.h>
|
2013-02-21 10:02:33 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
namespace DB
|
|
|
|
|
{
|
2014-06-26 00:58:14 +00:00
|
|
|
|
2017-05-23 18:01:50 +00:00
|
|
|
/** Return names, types and other information about columns in specified table.
|
|
|
|
|
*/
|
2021-04-10 23:33:54 +00:00
|
|
|
class InterpreterDescribeQuery : public IInterpreter, WithContext
|
2013-02-22 09:41:13 +00:00
|
|
|
{
|
|
|
|
|
public:
|
2021-04-10 23:33:54 +00:00
|
|
|
InterpreterDescribeQuery(const ASTPtr & query_ptr_, ContextPtr context_) : WithContext(context_), query_ptr(query_ptr_) {}
|
2014-06-26 00:58:14 +00:00
|
|
|
|
2016-12-12 07:24:56 +00:00
|
|
|
BlockIO execute() override;
|
2014-06-26 00:58:14 +00:00
|
|
|
|
2021-09-11 20:24:01 +00:00
|
|
|
static Block getSampleBlock(bool include_subcolumns);
|
2018-02-15 18:54:12 +00:00
|
|
|
|
2013-02-22 09:41:13 +00:00
|
|
|
private:
|
|
|
|
|
ASTPtr query_ptr;
|
|
|
|
|
};
|
2014-06-26 00:58:14 +00:00
|
|
|
|
|
|
|
|
|
2013-02-21 10:02:33 +00:00
|
|
|
}
|
