2011-08-18 18:48:00 +00:00
|
|
|
|
#pragma once
|
|
|
|
|
|
|
|
|
|
#include <DB/Parsers/IParserBase.h>
|
|
|
|
|
#include <DB/Parsers/ExpressionElementParsers.h>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
namespace DB
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
/** Тип или Storage, возможно, параметрический. Например, UInt8 или FixedString(10) или Partitioned(Log, ChunkID)
|
|
|
|
|
* Результат парсинга - ASTFunction с параметрами или без.
|
|
|
|
|
*/
|
|
|
|
|
class ParserIdentifierWithOptionalParameters : public IParserBase
|
|
|
|
|
{
|
|
|
|
|
protected:
|
|
|
|
|
String getName() { return "identifier with optional parameters"; }
|
|
|
|
|
bool parseImpl(Pos & pos, Pos end, ASTPtr & node, String & expected);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/** Имя и тип через пробел. Например, URL String. */
|
|
|
|
|
class ParserNameTypePair : public IParserBase
|
|
|
|
|
{
|
|
|
|
|
protected:
|
|
|
|
|
String getName() { return "name and type pair"; }
|
|
|
|
|
bool parseImpl(Pos & pos, Pos end, ASTPtr & node, String & expected);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
2011-11-01 15:16:04 +00:00
|
|
|
|
/** ENGINE = name. */
|
|
|
|
|
class ParserEngine : public IParserBase
|
|
|
|
|
{
|
|
|
|
|
protected:
|
|
|
|
|
String getName() { return "ENGINE"; }
|
|
|
|
|
bool parseImpl(Pos & pos, Pos end, ASTPtr & node, String & expected);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
2011-08-18 18:48:00 +00:00
|
|
|
|
/** Запрос типа такого:
|
2011-10-31 06:37:12 +00:00
|
|
|
|
* CREATE|ATTACH TABLE [IF NOT EXISTS] [db.]name
|
2011-08-18 18:48:00 +00:00
|
|
|
|
* (
|
|
|
|
|
* name1 type1,
|
|
|
|
|
* name2 type2,
|
|
|
|
|
* ...
|
|
|
|
|
* ) ENGINE = engine
|
2011-10-31 06:37:12 +00:00
|
|
|
|
*
|
|
|
|
|
* Или:
|
2012-07-12 20:06:45 +00:00
|
|
|
|
* CREATE|ATTACH TABLE [IF NOT EXISTS] [db.]name AS [db2.]name2 [ENGINE = engine]
|
2011-11-01 15:16:04 +00:00
|
|
|
|
*
|
|
|
|
|
* Или:
|
2012-12-11 20:32:08 +00:00
|
|
|
|
* CREATE|ATTACH TABLE [IF NOT EXISTS] [db.]name AS ENGINE = engine SELECT ...
|
2011-11-05 23:31:19 +00:00
|
|
|
|
*
|
|
|
|
|
* Или:
|
|
|
|
|
* CREATE|ATTACH DATABASE db
|
2011-08-18 18:48:00 +00:00
|
|
|
|
*/
|
|
|
|
|
class ParserCreateQuery : public IParserBase
|
|
|
|
|
{
|
|
|
|
|
protected:
|
|
|
|
|
String getName() { return "CREATE TABLE or ATTACH TABLE query"; }
|
|
|
|
|
bool parseImpl(Pos & pos, Pos end, ASTPtr & node, String & expected);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
}
|