2011-08-18 18:48:00 +00:00
|
|
|
|
#pragma once
|
|
|
|
|
|
|
|
|
|
#include <DB/Parsers/ASTExpressionList.h>
|
|
|
|
|
#include <DB/Parsers/ASTFunction.h>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
namespace DB
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/** CREATE TABLE или ATTACH TABLE запрос
|
|
|
|
|
*/
|
|
|
|
|
class ASTCreateQuery : public IAST
|
|
|
|
|
{
|
|
|
|
|
public:
|
|
|
|
|
bool attach; /// Запрос ATTACH TABLE, а не CREATE TABLE.
|
2011-08-19 18:31:14 +00:00
|
|
|
|
bool if_not_exists;
|
2011-10-30 05:19:41 +00:00
|
|
|
|
String database;
|
|
|
|
|
String table;
|
2011-08-18 18:48:00 +00:00
|
|
|
|
ASTPtr columns;
|
|
|
|
|
ASTPtr storage;
|
2011-10-31 17:30:44 +00:00
|
|
|
|
String as_database;
|
|
|
|
|
String as_table;
|
2011-11-01 15:16:04 +00:00
|
|
|
|
ASTPtr select;
|
2011-08-18 18:48:00 +00:00
|
|
|
|
|
|
|
|
|
ASTCreateQuery() {}
|
2011-11-05 23:31:19 +00:00
|
|
|
|
ASTCreateQuery(StringRange range_) : IAST(range_), attach(false), if_not_exists(false) {}
|
2011-08-18 18:48:00 +00:00
|
|
|
|
|
|
|
|
|
/** Получить текст, который идентифицирует этот элемент. */
|
2012-12-27 16:23:12 +00:00
|
|
|
|
String getID() const { return (attach ? "AttachQuery_" : "CreateQuery_") + database + "_" + table; };
|
2011-12-12 06:15:34 +00:00
|
|
|
|
|
|
|
|
|
ASTPtr clone() const
|
|
|
|
|
{
|
|
|
|
|
ASTCreateQuery * res = new ASTCreateQuery(*this);
|
|
|
|
|
res->children.clear();
|
|
|
|
|
|
|
|
|
|
if (columns) { res->columns = columns->clone(); res->children.push_back(res->columns); }
|
|
|
|
|
if (storage) { res->storage = storage->clone(); res->children.push_back(res->storage); }
|
|
|
|
|
if (select) { res->select = select->clone(); res->children.push_back(res->select); }
|
|
|
|
|
|
|
|
|
|
return res;
|
|
|
|
|
}
|
2011-08-18 18:48:00 +00:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
}
|