mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-09 10:00:54 +00:00
24 lines
539 B
C++
24 lines
539 B
C++
|
#pragma once
|
||
|
|
|
||
|
|
#include <Parsers/ASTQueryWithOutput.h>
|
||
|
|
|
||
|
|
|
||
|
|
namespace DB
|
||
|
|
{
|
||
|
|
|
||
|
|
/** Single SELECT query or multiple SELECT queries with UNION ALL.
|
||
|
|
* Only UNION ALL is possible. No UNION DISTINCT or plain UNION.
|
||
|
|
*/
|
||
|
|
class ASTSelectWithUnionQuery : public ASTQueryWithOutput
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
String getID() const override { return "SelectWithUnionQuery"; }
|
||
|
|
|
||
|
|
ASTPtr clone() const override;
|
||
|
|
void formatQueryImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const override;
|
||
|
|
|
||
|
|
ASTPtr list_of_selects;
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|