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#pragma once
#include <Parsers/IParserBase.h>
namespace DB
{
/** Parses queries like
* GRANT access_type[(column_name [,...])] [,...] ON {db.table|db.*|*.*|table|*} TO {user_name | CURRENT_USER} [,...] [WITH GRANT OPTION]
* REVOKE access_type[(column_name [,...])] [,...] ON {db.table|db.*|*.*|table|*} FROM {user_name | CURRENT_USER} [,...] | ALL | ALL EXCEPT {user_name | CURRENT_USER} [,...]
*/
class ParserGrantQuery : public IParserBase
{
public:
ParserGrantQuery & useAttachMode(bool attach_mode_ = true) { attach_mode = attach_mode_; return *this; }
ParserGrantQuery & setParseWithoutGrantees(bool allow_no_grantees_ = true) { allow_no_grantees = allow_no_grantees_; return *this; }
protected:
const char * getName() const override { return "GRANT or REVOKE query"; }
bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected) override;
private:
bool attach_mode = false;
bool allow_no_grantees = false; /// if set, the parser will allow grant queries without any grantees.
};
}
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