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#pragma once
#include <Core/UUID.h>
#include <Interpreters/IInterpreter.h>
#include <Parsers/IAST_fwd.h>
namespace DB
{
class AccessControl;
class ASTShowGrantsQuery;
struct IAccessEntity;
using AccessEntityPtr = std::shared_ptr<const IAccessEntity>;
class InterpreterShowGrantsQuery : public IInterpreter, WithContext
{
public:
InterpreterShowGrantsQuery(const ASTPtr & query_ptr_, ContextPtr context_) : WithContext(context_), query_ptr(query_ptr_) {}
BlockIO execute() override;
static ASTs getGrantQueries(const IAccessEntity & user_or_role, const AccessControl & access_control);
static ASTs getAttachGrantQueries(const IAccessEntity & user_or_role);
bool ignoreQuota() const override { return true; }
bool ignoreLimits() const override { return true; }
private:
QueryPipeline executeImpl();
ASTs getGrantQueries() const;
std::vector<AccessEntityPtr> getEntities() const;
ASTPtr query_ptr;
};
}
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