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#pragma once
#include <Parsers/IParserBase.h>
#include <Parsers/MySQL/ASTDeclareIndex.h>
#include <Parsers/MySQL/ASTDeclareColumn.h>
#include <Parsers/MySQL/ASTDeclareTableOptions.h>
namespace DB
{
namespace ErrorCodes
{
extern const int NOT_IMPLEMENTED;
}
namespace MySQLParser
{
class ASTDropQuery : public IAST
{
public:
enum Kind
{
Table,
View,
Database,
Index,
/// TRIGGER,FUNCTION,EVENT and so on, No need for support
Other,
};
Kind kind;
struct QualifiedName
{
String schema;
String shortName;
};
using QualifiedNames = std::vector<QualifiedName>;
QualifiedNames names;
bool if_exists{false};
//drop or truncate
bool is_truncate{false};
ASTPtr clone() const override;
String getID(char /*delim*/) const override {return "ASTDropQuery" ;}
protected:
void formatImpl(const FormatSettings & /*settings*/, FormatState & /*state*/, FormatStateStacked /*frame*/) const override
{
throw Exception(ErrorCodes::NOT_IMPLEMENTED, "Method formatImpl is not supported by MySQLParser::ASTDropQuery.");
}
};
class ParserDropQuery : public IParserBase
{
protected:
const char * getName() const override { return "DROP query"; }
bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected) override;
};
}
}
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