**Use case**

```
CREATE TABLE t
(
    x UInt8,
    y UInt8,
)
```
#include <IO/ReadHelpers.h>
#include <Parsers/ASTConstraintDeclaration.h>
#include <Parsers/ASTCreateQuery.h>
#include <Parsers/ASTExpressionList.h>
#include <Parsers/ASTFunction.h>
#include <Parsers/ASTIdentifier.h>
#include <Parsers/ASTIndexDeclaration.h>
#include <Parsers/ASTLiteral.h>
#include <Parsers/ASTProjectionDeclaration.h>
#include <Parsers/ASTSelectWithUnionQuery.h>
#include <Parsers/ASTSetQuery.h>
#include <Parsers/ASTTableOverrides.h>
#include <Parsers/ExpressionListParsers.h>
#include <Parsers/ParserCreateQuery.h>
#include <Parsers/ParserDictionary.h>
#include <Parsers/ParserDictionaryAttributeDeclaration.h>
#include <Parsers/ParserProjectionSelectQuery.h>
#include <Parsers/ParserSelectWithUnionQuery.h>
#include <Parsers/ParserSetQuery.h>
#include <Common/typeid_cast.h>
#include <Parsers/ASTColumnDeclaration.h>
namespace DB
{
namespace ErrorCodes
{
    extern const int BAD_ARGUMENTS;
}
namespace
{
ASTPtr parseComment(IParser::Pos & pos, Expected & expected)