#pragma once

#include <cstdint>

namespace DB

{

/// Strictness mode for loading a table or database

enum class LoadingStrictnessLevel : uint8_t

{

/// Do all possible sanity checks

CREATE = 0,

/// Skip some sanity checks (for internal queries in DatabaseReplicated; for RESTORE)

SECONDARY_CREATE = 1,

/// Expect existing paths on FS and in ZK for ATTACH query

ATTACH = 2,

/// We ignore some error on server startup

FORCE_ATTACH = 3,

/// Skip all sanity checks (if force_restore_data flag exists)

FORCE_RESTORE = 4,

};

LoadingStrictnessLevel getLoadingStrictnessLevel(bool attach, bool force_attach, bool force_restore, bool secondary);

/// Returns true when a table or database is being loaded from previously-validated metadata

/// (server startup, force-restore, or UNDROP TABLE) rather than from a fresh user-supplied

/// query. Only in this case should security checks (e.g. `dynamic_disk_allow_*`) be skipped,

/// because the disk configuration was already validated when the object was originally created.

inline bool isLoadingFromExistingMetadata(LoadingStrictnessLevel level)

{

return level == LoadingStrictnessLevel::FORCE_ATTACH || level == LoadingStrictnessLevel::FORCE_RESTORE;

}

}