mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-24 10:40:49 +00:00
54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
#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{false}; /// Запрос ATTACH TABLE, а не CREATE TABLE.
|
||
bool if_not_exists{false};
|
||
bool is_view{false};
|
||
bool is_materialized_view{false};
|
||
bool is_populate{false};
|
||
bool is_temporary{false};
|
||
String database;
|
||
String table;
|
||
ASTPtr columns;
|
||
ASTPtr storage;
|
||
ASTPtr inner_storage; /// Внутренний engine для запроса CREATE MATERIALIZED VIEW
|
||
String as_database;
|
||
String as_table;
|
||
ASTPtr select;
|
||
|
||
ASTCreateQuery() = default;
|
||
ASTCreateQuery(const StringRange range_) : IAST(range_) {}
|
||
|
||
/** Получить текст, который идентифицирует этот элемент. */
|
||
String getID() const override { return (attach ? "AttachQuery_" : "CreateQuery_") + database + "_" + table; };
|
||
|
||
ASTPtr clone() const override
|
||
{
|
||
ASTCreateQuery * res = new ASTCreateQuery(*this);
|
||
ASTPtr ptr{res};
|
||
|
||
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); }
|
||
if (inner_storage) { res->inner_storage = inner_storage->clone(); res->children.push_back(res->inner_storage); }
|
||
|
||
return ptr;
|
||
}
|
||
};
|
||
|
||
}
|