mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-21 23:21:59 +00:00
Merge f2e031f1b8 into 44b4bd38b9
This commit is contained in:
tuanpach
GitHub
commit
332ec35ee9
@ -76,8 +76,10 @@ void DatabaseAtomic::createDirectories()
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void DatabaseAtomic::createDirectoriesUnlocked()
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{
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DatabaseOnDisk::createDirectoriesUnlocked();
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fs::create_directories(fs::path(getContext()->getPath()) / "metadata");
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fs::create_directories(path_to_table_symlinks);
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auto shared_disk = getContext()->getSharedDisk();
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shared_disk->createDirectories(fs::path(getContext()->getPath()) / "metadata");
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if (shared_disk->isSymlinkSupported())
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shared_disk->createDirectories(path_to_table_symlinks);
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tryCreateMetadataSymlink();
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}
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@ -100,18 +102,22 @@ String DatabaseAtomic::getTableDataPath(const ASTCreateQuery & query) const
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void DatabaseAtomic::drop(ContextPtr)
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{
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auto shared_disk = getContext()->getSharedDisk();
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waitDatabaseStarted();
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assert(TSA_SUPPRESS_WARNING_FOR_READ(tables).empty());
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try
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{
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(void)fs::remove(path_to_metadata_symlink);
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(void)fs::remove_all(path_to_table_symlinks);
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if (shared_disk->isSymlinkSupported())
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{
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(void)shared_disk->removeFileIfExists(path_to_metadata_symlink);
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(void)shared_disk->removeRecursive(path_to_table_symlinks);
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}
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}
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catch (...)
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{
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LOG_WARNING(log, getCurrentExceptionMessageAndPattern(/* with_stacktrace */ true));
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}
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(void)fs::remove_all(getMetadataPath());
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(void)shared_disk->removeRecursive(getMetadataPath());
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}
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void DatabaseAtomic::attachTable(ContextPtr /* context_ */, const String & name, const StoragePtr & table, const String & relative_table_path)
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@ -166,6 +172,8 @@ void DatabaseAtomic::dropTable(ContextPtr local_context, const String & table_na
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void DatabaseAtomic::dropTableImpl(ContextPtr local_context, const String & table_name, bool sync)
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{
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auto shared_disk = getContext()->getSharedDisk();
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String table_metadata_path = getObjectMetadataPath(table_name);
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String table_metadata_path_drop;
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StoragePtr table;
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@ -174,7 +182,7 @@ void DatabaseAtomic::dropTableImpl(ContextPtr local_context, const String & tabl
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table = getTableUnlocked(table_name);
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table_metadata_path_drop = DatabaseCatalog::instance().getPathForDroppedMetadata(table->getStorageID());
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fs::create_directory(fs::path(table_metadata_path_drop).parent_path());
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shared_disk->createDirectories(fs::path(table_metadata_path_drop).parent_path());
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auto txn = local_context->getZooKeeperMetadataTransaction();
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if (txn && !local_context->isInternalSubquery())
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@ -186,7 +194,7 @@ void DatabaseAtomic::dropTableImpl(ContextPtr local_context, const String & tabl
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/// (it's more likely to lost connection, than to fail before applying local changes).
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/// TODO better detection and recovery
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fs::rename(table_metadata_path, table_metadata_path_drop); /// Mark table as dropped
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shared_disk->replaceFile(table_metadata_path, table_metadata_path_drop); /// Mark table as dropped
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DatabaseOrdinary::detachTableUnlocked(table_name); /// Should never throw
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table_name_to_path.erase(table_name);
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}
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@ -318,11 +326,12 @@ void DatabaseAtomic::renameTable(ContextPtr local_context, const String & table_
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/// NOTE: replica will be lost if server crashes before the following rename
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/// TODO better detection and recovery
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auto shared_disk = getContext()->getSharedDisk();
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if (exchange)
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renameExchange(old_metadata_path, new_metadata_path);
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shared_disk->renameExchange(old_metadata_path, new_metadata_path);
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else
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renameNoReplace(old_metadata_path, new_metadata_path);
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shared_disk->renameNoReplace(old_metadata_path, new_metadata_path);
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/// After metadata was successfully moved, the following methods should not throw (if they do, it's a logical error)
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table_data_path = detach(*this, table_name, table->storesDataOnDisk());
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@ -349,6 +358,8 @@ void DatabaseAtomic::commitCreateTable(const ASTCreateQuery & query, const Stora
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const String & table_metadata_tmp_path, const String & table_metadata_path,
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ContextPtr query_context)
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{
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auto shared_disk = getContext()->getSharedDisk();
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createDirectories();
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DetachedTables not_in_use;
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auto table_data_path = getTableDataPath(query);
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@ -377,7 +388,7 @@ void DatabaseAtomic::commitCreateTable(const ASTCreateQuery & query, const Stora
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}
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catch (...)
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{
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(void)fs::remove(table_metadata_tmp_path);
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(void)shared_disk->removeFileIfExists(table_metadata_tmp_path);
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throw;
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}
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if (table->storesDataOnDisk())
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@ -387,11 +398,13 @@ void DatabaseAtomic::commitCreateTable(const ASTCreateQuery & query, const Stora
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void DatabaseAtomic::commitAlterTable(const StorageID & table_id, const String & table_metadata_tmp_path, const String & table_metadata_path,
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const String & /*statement*/, ContextPtr query_context)
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{
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auto shared_disk = getContext()->getSharedDisk();
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bool check_file_exists = true;
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SCOPE_EXIT({
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std::error_code code;
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if (check_file_exists)
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(void)std::filesystem::remove(table_metadata_tmp_path, code);
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(void)shared_disk->removeFileIfExists(table_metadata_tmp_path);
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});
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std::lock_guard lock{mutex};
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@ -409,7 +422,7 @@ void DatabaseAtomic::commitAlterTable(const StorageID & table_id, const String &
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check_file_exists = renameExchangeIfSupported(table_metadata_tmp_path, table_metadata_path);
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if (!check_file_exists)
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std::filesystem::rename(table_metadata_tmp_path, table_metadata_path);
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shared_disk->replaceFile(table_metadata_tmp_path, table_metadata_path);
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}
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void DatabaseAtomic::assertDetachedTableNotInUse(const UUID & uuid)
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@ -483,33 +496,41 @@ UUID DatabaseAtomic::tryGetTableUUID(const String & table_name) const
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void DatabaseAtomic::beforeLoadingMetadata(ContextMutablePtr /*context*/, LoadingStrictnessLevel mode)
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{
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auto shared_disk = getContext()->getSharedDisk();
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if (mode < LoadingStrictnessLevel::FORCE_RESTORE)
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return;
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if (!fs::exists(path_to_table_symlinks))
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if (!shared_disk->isSymlinkSupported())
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return;
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if (!shared_disk->existsFileOrDirectory(path_to_table_symlinks))
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return;
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/// Recreate symlinks to table data dirs in case of force restore, because some of them may be broken
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for (const auto & table_path : fs::directory_iterator(path_to_table_symlinks))
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for (const auto dir_it = shared_disk->iterateDirectory(path_to_table_symlinks); dir_it->isValid(); dir_it->next())
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{
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if (!FS::isSymlink(table_path))
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auto table_path = fs::path(dir_it->path());
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if (table_path.filename().empty())
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table_path = table_path.parent_path();
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if (!shared_disk->isSymlink(table_path))
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{
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throw Exception(ErrorCodes::ABORTED,
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"'{}' is not a symlink. Atomic database should contains only symlinks.", std::string(table_path.path()));
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throw Exception(
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ErrorCodes::ABORTED, "'{}' is not a symlink. Atomic database should contains only symlinks.", std::string(table_path));
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}
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(void)fs::remove(table_path);
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(void)shared_disk->removeFileIfExists(table_path);
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}
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}
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LoadTaskPtr DatabaseAtomic::startupDatabaseAsync(AsyncLoader & async_loader, LoadJobSet startup_after, LoadingStrictnessLevel mode)
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{
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auto shared_disk = getContext()->getSharedDisk();
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auto base = DatabaseOrdinary::startupDatabaseAsync(async_loader, std::move(startup_after), mode);
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auto job = makeLoadJob(
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base->goals(),
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TablesLoaderBackgroundStartupPoolId,
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fmt::format("startup Atomic database {}", getDatabaseName()),
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[this, mode] (AsyncLoader &, const LoadJobPtr &)
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[this, mode, shared_disk](AsyncLoader &, const LoadJobPtr &)
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{
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if (mode < LoadingStrictnessLevel::FORCE_RESTORE)
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return;
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@ -518,8 +539,8 @@ LoadTaskPtr DatabaseAtomic::startupDatabaseAsync(AsyncLoader & async_loader, Loa
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std::lock_guard lock{mutex};
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table_names = table_name_to_path;
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}
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fs::create_directories(path_to_table_symlinks);
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if (shared_disk->isSymlinkSupported())
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shared_disk->createDirectories(path_to_table_symlinks);
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for (const auto & table : table_names)
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{
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/// All tables in database should be loaded at this point
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@ -561,6 +582,9 @@ void DatabaseAtomic::stopLoading()
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void DatabaseAtomic::tryCreateSymlink(const StoragePtr & table, bool if_data_path_exist)
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{
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auto shared_disk = getContext()->getSharedDisk();
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if (!shared_disk->isSymlinkSupported())
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return;
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try
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{
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String table_name = table->getStorageID().getTableName();
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@ -572,14 +596,13 @@ void DatabaseAtomic::tryCreateSymlink(const StoragePtr & table, bool if_data_pat
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fs::path data = fs::weakly_canonical(table->getDataPaths()[0]);
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/// If it already points where needed.
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std::error_code ec;
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if (fs::equivalent(data, link, ec))
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if (shared_disk->equivalentNoThrow(data, link))
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return;
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if (if_data_path_exist && !fs::exists(data))
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if (if_data_path_exist && !shared_disk->existsFileOrDirectory(data))
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return;
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fs::create_directory_symlink(data, link);
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shared_disk->createDirectoriesSymlink(data, link);
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}
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catch (...)
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{
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@ -589,10 +612,14 @@ void DatabaseAtomic::tryCreateSymlink(const StoragePtr & table, bool if_data_pat
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void DatabaseAtomic::tryRemoveSymlink(const String & table_name)
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{
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auto shared_disk = getContext()->getSharedDisk();
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if (!shared_disk->isSymlinkSupported())
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return;
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try
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{
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String path = path_to_table_symlinks + escapeForFileName(table_name);
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(void)fs::remove(path);
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(void)shared_disk->removeFileIfExists(path);
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}
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catch (...)
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{
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@ -602,13 +629,18 @@ void DatabaseAtomic::tryRemoveSymlink(const String & table_name)
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void DatabaseAtomic::tryCreateMetadataSymlink()
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{
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auto shared_disk = getContext()->getSharedDisk();
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if (!shared_disk->isSymlinkSupported())
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return;
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/// Symlinks in data/db_name/ directory and metadata/db_name/ are not used by ClickHouse,
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/// it's needed only for convenient introspection.
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assert(path_to_metadata_symlink != metadata_path);
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fs::path metadata_symlink(path_to_metadata_symlink);
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if (fs::exists(metadata_symlink))
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if (shared_disk->existsFile(metadata_symlink))
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{
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if (!FS::isSymlink(metadata_symlink))
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if (!shared_disk->isSymlink(metadata_symlink))
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throw Exception(ErrorCodes::FILE_ALREADY_EXISTS, "Directory {} exists", path_to_metadata_symlink);
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}
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else
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@ -616,9 +648,9 @@ void DatabaseAtomic::tryCreateMetadataSymlink()
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try
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{
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/// fs::exists could return false for broken symlink
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if (FS::isSymlinkNoThrow(metadata_symlink))
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(void)fs::remove(metadata_symlink);
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fs::create_directory_symlink(metadata_path, path_to_metadata_symlink);
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if (shared_disk->isSymlinkNoThrow(metadata_symlink))
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(void)shared_disk->removeFileIfExists(metadata_symlink);
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shared_disk->createDirectoriesSymlink(metadata_path, path_to_metadata_symlink);
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}
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catch (...)
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{
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@ -630,6 +662,7 @@ void DatabaseAtomic::tryCreateMetadataSymlink()
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void DatabaseAtomic::renameDatabase(ContextPtr query_context, const String & new_name)
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{
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/// CREATE, ATTACH, DROP, DETACH and RENAME DATABASE must hold DDLGuard
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auto shared_disk = getContext()->getSharedDisk();
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createDirectories();
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waitDatabaseStarted();
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@ -645,7 +678,8 @@ void DatabaseAtomic::renameDatabase(ContextPtr query_context, const String & new
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try
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{
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(void)fs::remove(path_to_metadata_symlink);
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if (shared_disk->isSymlinkSupported())
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(void)shared_disk->removeFileIfExists(path_to_metadata_symlink);
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}
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catch (...)
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{
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@ -682,7 +716,8 @@ void DatabaseAtomic::renameDatabase(ContextPtr query_context, const String & new
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path_to_table_symlinks = getContext()->getPath() + "data/" + new_name_escaped + "/";
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}
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fs::rename(old_path_to_table_symlinks, path_to_table_symlinks);
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if (shared_disk->isSymlinkSupported())
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shared_disk->moveDirectory(old_path_to_table_symlinks, path_to_table_symlinks);
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tryCreateMetadataSymlink();
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}
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@ -1,5 +1,6 @@
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#include <filesystem>
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#include <Core/Settings.h>
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#include <Databases/DatabaseFactory.h>
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#include <Databases/DatabaseReplicated.h>
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#include <Interpreters/Context.h>
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@ -9,7 +10,6 @@
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#include <Parsers/queryToString.h>
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#include <Common/Macros.h>
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#include <Common/filesystemHelpers.h>
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#include <Core/Settings.h>
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namespace fs = std::filesystem;
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@ -32,16 +32,21 @@ namespace ErrorCodes
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void cckMetadataPathForOrdinary(const ASTCreateQuery & create, const String & metadata_path)
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{
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auto shared_disk = Context::getGlobalContextInstance()->getSharedDisk();
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if (!shared_disk->isSymlinkSupported())
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return;
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const String & engine_name = create.storage->engine->name;
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const String & database_name = create.getDatabase();
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if (engine_name != "Ordinary")
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return;
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if (!FS::isSymlink(metadata_path))
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if (!shared_disk->isSymlink(metadata_path))
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return;
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String target_path = FS::readSymlink(metadata_path).string();
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String target_path = shared_disk->readSymlink(metadata_path);
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fs::path path_to_remove = metadata_path;
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if (path_to_remove.filename().empty())
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path_to_remove = path_to_remove.parent_path();
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@ -3,8 +3,10 @@
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#include <filesystem>
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#include <iterator>
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#include <span>
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#include <Core/Settings.h>
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#include <Databases/DatabaseAtomic.h>
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#include <Databases/DatabaseOrdinary.h>
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#include <Disks/DiskLocal.h>
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#include <Disks/IDisk.h>
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#include <IO/ReadBufferFromFile.h>
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#include <IO/ReadHelpers.h>
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@ -29,7 +31,6 @@
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#include <Common/filesystemHelpers.h>
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#include <Common/logger_useful.h>
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#include <Common/setThreadName.h>
|
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#include <Core/Settings.h>
|
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|
||||
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namespace fs = std::filesystem;
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@ -52,11 +53,12 @@ namespace Setting
|
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extern const SettingsUInt64 max_parser_depth;
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}
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|
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static constexpr size_t METADATA_FILE_BUFFER_SIZE = 32768;
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// static constexpr size_t METADATA_FILE_BUFFER_SIZE = 32768;
|
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|
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namespace ErrorCodes
|
||||
{
|
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extern const int CANNOT_GET_CREATE_TABLE_QUERY;
|
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extern const int CANNOT_RMDIR;
|
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extern const int NOT_IMPLEMENTED;
|
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extern const int LOGICAL_ERROR;
|
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extern const int FILE_DOESNT_EXIST;
|
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@ -171,14 +173,8 @@ String getObjectDefinitionFromCreateQuery(const ASTPtr & query)
|
||||
|
||||
|
||||
DatabaseOnDisk::DatabaseOnDisk(
|
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const String & name,
|
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const String & metadata_path_,
|
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const String & data_path_,
|
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const String & logger,
|
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ContextPtr local_context)
|
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: DatabaseWithOwnTablesBase(name, logger, local_context)
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, metadata_path(metadata_path_)
|
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, data_path(data_path_)
|
||||
const String & name, const String & metadata_path_, const String & data_path_, const String & logger, ContextPtr local_context)
|
||||
: DatabaseWithOwnTablesBase(name, logger, local_context), metadata_path(metadata_path_), data_path(data_path_)
|
||||
{
|
||||
}
|
||||
|
||||
@ -191,8 +187,10 @@ void DatabaseOnDisk::createDirectories()
|
||||
|
||||
void DatabaseOnDisk::createDirectoriesUnlocked()
|
||||
{
|
||||
fs::create_directories(std::filesystem::path(getContext()->getPath()) / data_path);
|
||||
fs::create_directories(metadata_path);
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
shared_disk->createDirectories(metadata_path);
|
||||
shared_disk->createDirectories(std::filesystem::path(getContext()->getPath()) / data_path);
|
||||
}
|
||||
|
||||
|
||||
@ -209,6 +207,8 @@ void DatabaseOnDisk::createTable(
|
||||
const StoragePtr & table,
|
||||
const ASTPtr & query)
|
||||
{
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
createDirectories();
|
||||
|
||||
const auto & settings = local_context->getSettingsRef();
|
||||
@ -238,7 +238,7 @@ void DatabaseOnDisk::createTable(
|
||||
if (create.attach_short_syntax)
|
||||
{
|
||||
/// Metadata already exists, table was detached
|
||||
assert(fs::exists(getObjectMetadataPath(table_name)));
|
||||
assert(shared_disk->existsFileOrDirectory(getObjectMetadataPath(table_name)));
|
||||
removeDetachedPermanentlyFlag(local_context, table_name, table_metadata_path, true);
|
||||
attachTable(local_context, table_name, table, getTableDataPath(create));
|
||||
return;
|
||||
@ -247,7 +247,7 @@ void DatabaseOnDisk::createTable(
|
||||
if (!create.attach)
|
||||
checkMetadataFilenameAvailability(table_name);
|
||||
|
||||
if (create.attach && fs::exists(table_metadata_path))
|
||||
if (create.attach && shared_disk->existsFileOrDirectory(table_metadata_path))
|
||||
{
|
||||
ASTPtr ast_detached = parseQueryFromMetadata(log, local_context, table_metadata_path);
|
||||
auto & create_detached = ast_detached->as<ASTCreateQuery &>();
|
||||
@ -285,12 +285,11 @@ void DatabaseOnDisk::createTable(
|
||||
/// .sql.detached extension, is not needed anymore since we attached the table back
|
||||
void DatabaseOnDisk::removeDetachedPermanentlyFlag(ContextPtr, const String & table_name, const String & table_metadata_path, bool)
|
||||
{
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
try
|
||||
{
|
||||
fs::path detached_permanently_flag(table_metadata_path + detached_suffix);
|
||||
|
||||
if (fs::exists(detached_permanently_flag))
|
||||
(void)fs::remove(detached_permanently_flag);
|
||||
(void)shared_disk->removeFileIfExists(detached_permanently_flag);
|
||||
}
|
||||
catch (Exception & e)
|
||||
{
|
||||
@ -303,6 +302,7 @@ void DatabaseOnDisk::commitCreateTable(const ASTCreateQuery & query, const Stora
|
||||
const String & table_metadata_tmp_path, const String & table_metadata_path,
|
||||
ContextPtr query_context)
|
||||
{
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
try
|
||||
{
|
||||
createDirectories();
|
||||
@ -312,11 +312,11 @@ void DatabaseOnDisk::commitCreateTable(const ASTCreateQuery & query, const Stora
|
||||
|
||||
/// If it was ATTACH query and file with table metadata already exist
|
||||
/// (so, ATTACH is done after DETACH), then rename atomically replaces old file with new one.
|
||||
fs::rename(table_metadata_tmp_path, table_metadata_path);
|
||||
shared_disk->replaceFile(table_metadata_tmp_path, table_metadata_path);
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
(void)fs::remove(table_metadata_tmp_path);
|
||||
(void)shared_disk->removeFileIfExists(table_metadata_tmp_path);
|
||||
throw;
|
||||
}
|
||||
}
|
||||
@ -325,12 +325,14 @@ void DatabaseOnDisk::detachTablePermanently(ContextPtr query_context, const Stri
|
||||
{
|
||||
waitDatabaseStarted();
|
||||
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
auto table = detachTable(query_context, table_name);
|
||||
|
||||
fs::path detached_permanently_flag(getObjectMetadataPath(table_name) + detached_suffix);
|
||||
try
|
||||
{
|
||||
FS::createFile(detached_permanently_flag);
|
||||
shared_disk->createFile(detached_permanently_flag);
|
||||
|
||||
std::lock_guard lock(mutex);
|
||||
const auto it = snapshot_detached_tables.find(table_name);
|
||||
@ -352,6 +354,8 @@ void DatabaseOnDisk::dropTable(ContextPtr local_context, const String & table_na
|
||||
{
|
||||
waitDatabaseStarted();
|
||||
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
String table_metadata_path = getObjectMetadataPath(table_name);
|
||||
String table_metadata_path_drop = table_metadata_path + drop_suffix;
|
||||
String table_data_path_relative = getTableDataPath(table_name);
|
||||
@ -363,7 +367,7 @@ void DatabaseOnDisk::dropTable(ContextPtr local_context, const String & table_na
|
||||
bool renamed = false;
|
||||
try
|
||||
{
|
||||
fs::rename(table_metadata_path, table_metadata_path_drop);
|
||||
shared_disk->replaceFile(table_metadata_path, table_metadata_path_drop);
|
||||
renamed = true;
|
||||
// The table might be not loaded for Lazy database engine.
|
||||
if (table)
|
||||
@ -378,7 +382,7 @@ void DatabaseOnDisk::dropTable(ContextPtr local_context, const String & table_na
|
||||
if (table)
|
||||
attachTable(local_context, table_name, table, table_data_path_relative);
|
||||
if (renamed)
|
||||
fs::rename(table_metadata_path_drop, table_metadata_path);
|
||||
shared_disk->replaceFile(table_metadata_path_drop, table_metadata_path);
|
||||
throw;
|
||||
}
|
||||
|
||||
@ -390,7 +394,7 @@ void DatabaseOnDisk::dropTable(ContextPtr local_context, const String & table_na
|
||||
LOG_INFO(log, "Removing data directory from disk {} with path {} for dropped table {} ", disk_name, table_data_path_relative, table_name);
|
||||
disk->removeRecursive(table_data_path_relative);
|
||||
}
|
||||
(void)fs::remove(table_metadata_path_drop);
|
||||
(void)shared_disk->removeFileIfExists(table_metadata_path_drop);
|
||||
}
|
||||
|
||||
void DatabaseOnDisk::checkMetadataFilenameAvailability(const String & to_table_name) const
|
||||
@ -401,13 +405,14 @@ void DatabaseOnDisk::checkMetadataFilenameAvailability(const String & to_table_n
|
||||
|
||||
void DatabaseOnDisk::checkMetadataFilenameAvailabilityUnlocked(const String & to_table_name) const
|
||||
{
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
String table_metadata_path = getObjectMetadataPath(to_table_name);
|
||||
|
||||
if (fs::exists(table_metadata_path))
|
||||
if (shared_disk->existsFile(table_metadata_path))
|
||||
{
|
||||
fs::path detached_permanently_flag(table_metadata_path + detached_suffix);
|
||||
|
||||
if (fs::exists(detached_permanently_flag))
|
||||
if (shared_disk->existsFile(detached_permanently_flag))
|
||||
throw Exception(ErrorCodes::TABLE_ALREADY_EXISTS, "Table {}.{} already exists (detached permanently)",
|
||||
backQuote(database_name), backQuote(to_table_name));
|
||||
throw Exception(
|
||||
@ -426,6 +431,8 @@ void DatabaseOnDisk::renameTable(
|
||||
if (exchange)
|
||||
throw Exception(ErrorCodes::NOT_IMPLEMENTED, "Tables can be exchanged only in Atomic databases");
|
||||
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
bool from_ordinary_to_atomic = false;
|
||||
bool from_atomic_to_ordinary = false;
|
||||
if (typeid(*this) != typeid(to_database))
|
||||
@ -509,7 +516,7 @@ void DatabaseOnDisk::renameTable(
|
||||
/// Now table data are moved to new database, so we must add metadata and attach table to new database
|
||||
to_database.createTable(local_context, to_table_name, table, attach_query);
|
||||
|
||||
(void)fs::remove(table_metadata_path);
|
||||
(void)shared_disk->removeFileIfExists(table_metadata_path);
|
||||
|
||||
if (from_atomic_to_ordinary)
|
||||
{
|
||||
@ -587,27 +594,32 @@ void DatabaseOnDisk::drop(ContextPtr local_context)
|
||||
{
|
||||
waitDatabaseStarted();
|
||||
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
assert(TSA_SUPPRESS_WARNING_FOR_READ(tables).empty());
|
||||
if (local_context->getSettingsRef()[Setting::force_remove_data_recursively_on_drop])
|
||||
{
|
||||
(void)fs::remove_all(std::filesystem::path(getContext()->getPath()) / data_path);
|
||||
(void)fs::remove_all(getMetadataPath());
|
||||
(void)shared_disk->removeRecursive(std::filesystem::path(getContext()->getPath()) / data_path);
|
||||
(void)shared_disk->removeRecursive(getMetadataPath());
|
||||
}
|
||||
else
|
||||
{
|
||||
try
|
||||
{
|
||||
(void)fs::remove(std::filesystem::path(getContext()->getPath()) / data_path);
|
||||
(void)fs::remove(getMetadataPath());
|
||||
(void)shared_disk->removeDirectoryIfExists(std::filesystem::path(getContext()->getPath()) / data_path);
|
||||
(void)shared_disk->removeDirectoryIfExists(getMetadataPath());
|
||||
}
|
||||
catch (const fs::filesystem_error & e)
|
||||
catch (const Exception & e)
|
||||
{
|
||||
if (e.code() != std::errc::directory_not_empty)
|
||||
throw Exception(Exception::CreateFromSTDTag{}, e);
|
||||
throw Exception(ErrorCodes::DATABASE_NOT_EMPTY, "Cannot drop: {}. "
|
||||
if (e.code() != ErrorCodes::CANNOT_RMDIR)
|
||||
throw;
|
||||
throw Exception(
|
||||
ErrorCodes::DATABASE_NOT_EMPTY,
|
||||
"Cannot drop: {}. "
|
||||
"Probably database contain some detached tables or metadata leftovers from Ordinary engine. "
|
||||
"If you want to remove all data anyway, try to attach database back and drop it again "
|
||||
"with enabled force_remove_data_recursively_on_drop setting", e.what());
|
||||
"with enabled force_remove_data_recursively_on_drop setting",
|
||||
e.what());
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -619,10 +631,19 @@ String DatabaseOnDisk::getObjectMetadataPath(const String & object_name) const
|
||||
|
||||
time_t DatabaseOnDisk::getObjectMetadataModificationTime(const String & object_name) const
|
||||
{
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
String table_metadata_path = getObjectMetadataPath(object_name);
|
||||
if (!shared_disk->existsFileOrDirectory(table_metadata_path))
|
||||
return static_cast<time_t>(0);
|
||||
|
||||
try
|
||||
{
|
||||
return FS::getModificationTime(table_metadata_path);
|
||||
return shared_disk->getLastModified(table_metadata_path).epochTime();
|
||||
}
|
||||
catch (const Exception &)
|
||||
{
|
||||
throw;
|
||||
}
|
||||
catch (const fs::filesystem_error & e)
|
||||
{
|
||||
@ -636,7 +657,8 @@ time_t DatabaseOnDisk::getObjectMetadataModificationTime(const String & object_n
|
||||
|
||||
void DatabaseOnDisk::iterateMetadataFiles(const IteratingFunction & process_metadata_file) const
|
||||
{
|
||||
if (!fs::exists(metadata_path))
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
if (!shared_disk->existsDirectory(metadata_path))
|
||||
return;
|
||||
|
||||
auto process_tmp_drop_metadata_file = [&](const String & file_name)
|
||||
@ -645,26 +667,26 @@ void DatabaseOnDisk::iterateMetadataFiles(const IteratingFunction & process_meta
|
||||
static const char * tmp_drop_ext = ".sql.tmp_drop";
|
||||
const std::string object_name = file_name.substr(0, file_name.size() - strlen(tmp_drop_ext));
|
||||
|
||||
if (fs::exists(std::filesystem::path(getContext()->getPath()) / data_path / object_name))
|
||||
if (shared_disk->existsFile(std::filesystem::path(getContext()->getPath()) / data_path / object_name))
|
||||
{
|
||||
fs::rename(getMetadataPath() + file_name, getMetadataPath() + object_name + ".sql");
|
||||
shared_disk->replaceFile(getMetadataPath() + file_name, getMetadataPath() + object_name + ".sql");
|
||||
LOG_WARNING(log, "Object {} was not dropped previously and will be restored", backQuote(object_name));
|
||||
process_metadata_file(object_name + ".sql");
|
||||
}
|
||||
else
|
||||
{
|
||||
LOG_INFO(log, "Removing file {}", getMetadataPath() + file_name);
|
||||
(void)fs::remove(getMetadataPath() + file_name);
|
||||
(void)shared_disk->removeFileIfExists(getMetadataPath() + file_name);
|
||||
}
|
||||
};
|
||||
|
||||
/// Metadata files to load: name and flag for .tmp_drop files
|
||||
std::vector<std::pair<String, bool>> metadata_files;
|
||||
|
||||
fs::directory_iterator dir_end;
|
||||
for (fs::directory_iterator dir_it(metadata_path); dir_it != dir_end; ++dir_it)
|
||||
for (const auto dir_it = shared_disk->iterateDirectory(metadata_path); dir_it->isValid(); dir_it->next())
|
||||
{
|
||||
String file_name = dir_it->path().filename();
|
||||
auto dir_path = fs::path(dir_it->path());
|
||||
String file_name = dir_path.filename();
|
||||
/// For '.svn', '.gitignore' directory and similar.
|
||||
if (file_name.at(0) == '.')
|
||||
continue;
|
||||
@ -685,8 +707,8 @@ void DatabaseOnDisk::iterateMetadataFiles(const IteratingFunction & process_meta
|
||||
else if (endsWith(file_name, ".sql.tmp"))
|
||||
{
|
||||
/// There are files .sql.tmp - delete
|
||||
LOG_INFO(log, "Removing file {}", dir_it->path().string());
|
||||
(void)fs::remove(dir_it->path());
|
||||
LOG_INFO(log, "Removing file {}", dir_path.string());
|
||||
(void)shared_disk->removeFileIfExists(dir_path);
|
||||
}
|
||||
else if (endsWith(file_name, ".sql"))
|
||||
{
|
||||
@ -729,13 +751,11 @@ ASTPtr DatabaseOnDisk::parseQueryFromMetadata(
|
||||
bool throw_on_error /*= true*/,
|
||||
bool remove_empty /*= false*/)
|
||||
{
|
||||
String query;
|
||||
auto shared_disk = Context::getGlobalContextInstance()->getSharedDisk();
|
||||
|
||||
int metadata_file_fd = ::open(metadata_file_path.c_str(), O_RDONLY | O_CLOEXEC);
|
||||
|
||||
if (metadata_file_fd == -1)
|
||||
if (!shared_disk->existsFile(metadata_file_path))
|
||||
{
|
||||
if (errno == ENOENT && !throw_on_error)
|
||||
if (!throw_on_error)
|
||||
return nullptr;
|
||||
|
||||
ErrnoException::throwFromPath(
|
||||
@ -745,8 +765,9 @@ ASTPtr DatabaseOnDisk::parseQueryFromMetadata(
|
||||
metadata_file_path);
|
||||
}
|
||||
|
||||
ReadBufferFromFile in(metadata_file_fd, metadata_file_path, METADATA_FILE_BUFFER_SIZE);
|
||||
readStringUntilEOF(query, in);
|
||||
auto read_buf = shared_disk->readFile(metadata_file_path, ReadSettings{});
|
||||
String query;
|
||||
readStringUntilEOF(query, *read_buf);
|
||||
|
||||
/** Empty files with metadata are generated after a rough restart of the server.
|
||||
* Remove these files to slightly reduce the work of the admins on startup.
|
||||
@ -755,7 +776,7 @@ ASTPtr DatabaseOnDisk::parseQueryFromMetadata(
|
||||
{
|
||||
if (logger)
|
||||
LOG_ERROR(logger, "File {} is empty. Removing.", metadata_file_path);
|
||||
(void)fs::remove(metadata_file_path);
|
||||
(void)shared_disk->removeFileIfExists(metadata_file_path);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
@ -893,6 +914,7 @@ void DatabaseOnDisk::modifySettingsMetadata(const SettingsChanges & settings_cha
|
||||
out.sync();
|
||||
out.close();
|
||||
|
||||
fs::rename(metadata_file_tmp_path, metadata_file_path);
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
shared_disk->replaceFile(metadata_file_tmp_path, metadata_file_path);
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,10 +1,11 @@
|
||||
#pragma once
|
||||
|
||||
#include <Common/escapeForFileName.h>
|
||||
#include <Common/quoteString.h>
|
||||
#include <Databases/DatabasesCommon.h>
|
||||
#include <Disks/IDisk.h>
|
||||
#include <Parsers/ASTCreateQuery.h>
|
||||
#include <Storages/IStorage.h>
|
||||
#include <Common/escapeForFileName.h>
|
||||
#include <Common/quoteString.h>
|
||||
|
||||
|
||||
namespace DB
|
||||
@ -68,7 +69,8 @@ public:
|
||||
String getTableDataPath(const ASTCreateQuery & query) const override { return getTableDataPath(query.getTable()); }
|
||||
String getMetadataPath() const override { return metadata_path; }
|
||||
|
||||
static ASTPtr parseQueryFromMetadata(LoggerPtr log, ContextPtr context, const String & metadata_file_path, bool throw_on_error = true, bool remove_empty = false);
|
||||
static ASTPtr parseQueryFromMetadata(
|
||||
LoggerPtr log, ContextPtr context, const String & metadata_file_path, bool throw_on_error = true, bool remove_empty = false);
|
||||
|
||||
/// will throw when the table we want to attach already exists (in active / detached / detached permanently form)
|
||||
void checkMetadataFilenameAvailability(const String & to_table_name) const override;
|
||||
|
||||
@ -154,6 +154,8 @@ String DatabaseOrdinary::getConvertToReplicatedFlagPath(const String & name, con
|
||||
|
||||
void DatabaseOrdinary::convertMergeTreeToReplicatedIfNeeded(ASTPtr ast, const QualifiedTableName & qualified_name, const String & file_name)
|
||||
{
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
fs::path path(getMetadataPath());
|
||||
fs::path file_path(file_name);
|
||||
fs::path full_path = path / file_path;
|
||||
@ -172,7 +174,7 @@ void DatabaseOrdinary::convertMergeTreeToReplicatedIfNeeded(ASTPtr ast, const Qu
|
||||
|
||||
auto convert_to_replicated_flag_path = getConvertToReplicatedFlagPath(qualified_name.table, policy, false);
|
||||
|
||||
if (!fs::exists(convert_to_replicated_flag_path))
|
||||
if (!shared_disk->existsFile(convert_to_replicated_flag_path))
|
||||
return;
|
||||
|
||||
if (getUUID() == UUIDHelpers::Nil)
|
||||
@ -195,7 +197,7 @@ void DatabaseOrdinary::convertMergeTreeToReplicatedIfNeeded(ASTPtr ast, const Qu
|
||||
out.sync();
|
||||
out.close();
|
||||
}
|
||||
fs::rename(table_metadata_tmp_path, table_metadata_path);
|
||||
shared_disk->replaceFile(table_metadata_tmp_path, table_metadata_path);
|
||||
|
||||
LOG_INFO(
|
||||
log,
|
||||
@ -207,10 +209,12 @@ void DatabaseOrdinary::convertMergeTreeToReplicatedIfNeeded(ASTPtr ast, const Qu
|
||||
|
||||
void DatabaseOrdinary::loadTablesMetadata(ContextPtr local_context, ParsedTablesMetadata & metadata, bool is_startup)
|
||||
{
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
size_t prev_tables_count = metadata.parsed_tables.size();
|
||||
size_t prev_total_dictionaries = metadata.total_dictionaries;
|
||||
|
||||
auto process_metadata = [&metadata, is_startup, local_context, this](const String & file_name)
|
||||
auto process_metadata = [&metadata, is_startup, local_context, shared_disk, this](const String & file_name)
|
||||
{
|
||||
fs::path path(getMetadataPath());
|
||||
fs::path file_path(file_name);
|
||||
@ -244,7 +248,7 @@ void DatabaseOrdinary::loadTablesMetadata(ContextPtr local_context, ParsedTables
|
||||
}
|
||||
}
|
||||
|
||||
if (fs::exists(full_path.string() + detached_suffix))
|
||||
if (shared_disk->existsFile(full_path.string() + detached_suffix))
|
||||
{
|
||||
const std::string table_name = unescapeForFileName(file_name.substr(0, file_name.size() - 4));
|
||||
LOG_DEBUG(log, "Skipping permanently detached table {}.", backQuote(table_name));
|
||||
@ -355,11 +359,13 @@ void DatabaseOrdinary::restoreMetadataAfterConvertingToReplicated(StoragePtr tab
|
||||
if (!rmt)
|
||||
return;
|
||||
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
auto convert_to_replicated_flag_path = getConvertToReplicatedFlagPath(name.table, table->getStoragePolicy(), true);
|
||||
if (!fs::exists(convert_to_replicated_flag_path))
|
||||
if (!shared_disk->existsFile(convert_to_replicated_flag_path))
|
||||
return;
|
||||
|
||||
(void)fs::remove(convert_to_replicated_flag_path);
|
||||
(void)shared_disk->removeFileIfExists(convert_to_replicated_flag_path);
|
||||
LOG_INFO
|
||||
(
|
||||
log,
|
||||
@ -595,14 +601,15 @@ void DatabaseOrdinary::alterTable(ContextPtr local_context, const StorageID & ta
|
||||
|
||||
void DatabaseOrdinary::commitAlterTable(const StorageID &, const String & table_metadata_tmp_path, const String & table_metadata_path, const String & /*statement*/, ContextPtr /*query_context*/)
|
||||
{
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
try
|
||||
{
|
||||
/// rename atomically replaces the old file with the new one.
|
||||
fs::rename(table_metadata_tmp_path, table_metadata_path);
|
||||
(void)shared_disk->replaceFile(table_metadata_tmp_path, table_metadata_path);
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
(void)fs::remove(table_metadata_tmp_path);
|
||||
(void)shared_disk->removeFileIfExists(table_metadata_tmp_path);
|
||||
throw;
|
||||
}
|
||||
}
|
||||
|
||||
@ -185,11 +185,13 @@ void DatabaseMaterializedMySQL::alterTable(ContextPtr context_, const StorageID
|
||||
void DatabaseMaterializedMySQL::drop(ContextPtr context_)
|
||||
{
|
||||
LOG_TRACE(log, "Dropping MaterializeMySQL database");
|
||||
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
/// Remove metadata info
|
||||
fs::path metadata(getMetadataPath() + "/.metadata");
|
||||
|
||||
if (fs::exists(metadata))
|
||||
(void)fs::remove(metadata);
|
||||
if (shared_disk->existsFile(metadata))
|
||||
(void)shared_disk->removeFileIfExists(metadata);
|
||||
|
||||
DatabaseAtomic::drop(context_);
|
||||
}
|
||||
|
||||
@ -13,9 +13,11 @@
|
||||
#include <Disks/loadLocalDiskConfig.h>
|
||||
#include <Disks/TemporaryFileOnDisk.h>
|
||||
|
||||
#include <filesystem>
|
||||
#include <fstream>
|
||||
#include <unistd.h>
|
||||
#include <system_error>
|
||||
#include <fcntl.h>
|
||||
#include <unistd.h>
|
||||
#include <sys/stat.h>
|
||||
|
||||
#include <Disks/IO/WriteBufferFromTemporaryFile.h>
|
||||
@ -313,7 +315,7 @@ DirectoryIteratorPtr DiskLocal::iterateDirectory(const String & path) const
|
||||
|
||||
void DiskLocal::moveFile(const String & from_path, const String & to_path)
|
||||
{
|
||||
renameNoReplace(fs::path(disk_path) / from_path, fs::path(disk_path) / to_path);
|
||||
DB::renameNoReplace(fs::path(disk_path) / from_path, fs::path(disk_path) / to_path);
|
||||
}
|
||||
|
||||
void DiskLocal::replaceFile(const String & from_path, const String & to_path)
|
||||
@ -324,6 +326,21 @@ void DiskLocal::replaceFile(const String & from_path, const String & to_path)
|
||||
fs::rename(from_file, to_file);
|
||||
}
|
||||
|
||||
void DiskLocal::renameNoReplace(const std::string & old_path, const std::string & new_path)
|
||||
{
|
||||
DB::renameNoReplace(fs::path(disk_path) / old_path, fs::path(disk_path) / new_path);
|
||||
}
|
||||
|
||||
void DiskLocal::renameExchange(const std::string & old_path, const std::string & new_path)
|
||||
{
|
||||
DB::renameExchange(fs::path(disk_path) / old_path, fs::path(disk_path) / new_path);
|
||||
}
|
||||
|
||||
bool DiskLocal::renameExchangeIfSupported(const std::string & old_path, const std::string & new_path)
|
||||
{
|
||||
return DB::renameExchangeIfSupported(fs::path(disk_path) / old_path, fs::path(disk_path) / new_path);
|
||||
}
|
||||
|
||||
std::unique_ptr<ReadBufferFromFileBase> DiskLocal::readFile(const String & path, const ReadSettings & settings, std::optional<size_t> read_hint, std::optional<size_t> file_size) const
|
||||
{
|
||||
if (!file_size.has_value())
|
||||
@ -363,7 +380,7 @@ void DiskLocal::removeFile(const String & path)
|
||||
{
|
||||
auto fs_path = fs::path(disk_path) / path;
|
||||
if (0 != unlink(fs_path.c_str()))
|
||||
ErrnoException::throwFromPath(ErrorCodes::CANNOT_UNLINK, fs_path, "Cannot unlink file {}", fs_path);
|
||||
fs::remove(fs_path);
|
||||
}
|
||||
|
||||
void DiskLocal::removeFileIfExists(const String & path)
|
||||
@ -383,6 +400,14 @@ void DiskLocal::removeDirectory(const String & path)
|
||||
ErrnoException::throwFromPath(ErrorCodes::CANNOT_RMDIR, fs_path, "Cannot remove directory {}", fs_path);
|
||||
}
|
||||
|
||||
void DiskLocal::removeDirectoryIfExists(const String & path)
|
||||
{
|
||||
auto fs_path = fs::path(disk_path) / path;
|
||||
if (0 != rmdir(fs_path.c_str()))
|
||||
if (errno != ENOENT)
|
||||
ErrnoException::throwFromPath(ErrorCodes::CANNOT_RMDIR, fs_path, "Cannot remove directory {}", fs_path);
|
||||
}
|
||||
|
||||
void DiskLocal::removeRecursive(const String & path)
|
||||
{
|
||||
(void)fs::remove_all(fs::path(disk_path) / path);
|
||||
@ -415,6 +440,37 @@ void DiskLocal::createHardLink(const String & src_path, const String & dst_path)
|
||||
DB::createHardLink(fs::path(disk_path) / src_path, fs::path(disk_path) / dst_path);
|
||||
}
|
||||
|
||||
bool DiskLocal::isSymlink(const String & path) const
|
||||
{
|
||||
return FS::isSymlink(path);
|
||||
}
|
||||
|
||||
bool DiskLocal::isSymlinkNoThrow(const String & path) const
|
||||
{
|
||||
return FS::isSymlinkNoThrow(path);
|
||||
}
|
||||
|
||||
void DiskLocal::createDirectoriesSymlink(const String & target, const String & link)
|
||||
{
|
||||
fs::create_directory_symlink(target, link);
|
||||
}
|
||||
|
||||
String DiskLocal::readSymlink(const fs::path & path) const
|
||||
{
|
||||
return FS::readSymlink(path);
|
||||
}
|
||||
|
||||
bool DiskLocal::equivalent(const String & p1, const String & p2) const
|
||||
{
|
||||
return fs::equivalent(p1, p2);
|
||||
}
|
||||
|
||||
bool DiskLocal::equivalentNoThrow(const String & p1, const String & p2) const
|
||||
{
|
||||
std::error_code ec;
|
||||
return fs::equivalent(p1, p2, ec);
|
||||
}
|
||||
|
||||
void DiskLocal::truncateFile(const String & path, size_t size)
|
||||
{
|
||||
int res = truncate((fs::path(disk_path) / path).string().data(), size);
|
||||
|
||||
@ -64,6 +64,12 @@ public:
|
||||
|
||||
void replaceFile(const String & from_path, const String & to_path) override;
|
||||
|
||||
void renameNoReplace(const std::string & old_path, const std::string & new_path) override;
|
||||
|
||||
void renameExchange(const std::string & old_path, const std::string & new_path) override;
|
||||
|
||||
bool renameExchangeIfSupported(const std::string & old_path, const std::string & new_path) override;
|
||||
|
||||
void copyDirectoryContent(
|
||||
const String & from_dir,
|
||||
const std::shared_ptr<IDisk> & to_disk,
|
||||
@ -92,6 +98,7 @@ public:
|
||||
void removeFile(const String & path) override;
|
||||
void removeFileIfExists(const String & path) override;
|
||||
void removeDirectory(const String & path) override;
|
||||
void removeDirectoryIfExists(const String & path) override;
|
||||
void removeRecursive(const String & path) override;
|
||||
|
||||
void setLastModified(const String & path, const Poco::Timestamp & timestamp) override;
|
||||
@ -104,6 +111,20 @@ public:
|
||||
|
||||
void createHardLink(const String & src_path, const String & dst_path) override;
|
||||
|
||||
bool isSymlinkSupported() const override { return true; }
|
||||
|
||||
bool isSymlink(const String & path) const override;
|
||||
|
||||
bool isSymlinkNoThrow(const String & path) const override;
|
||||
|
||||
void createDirectoriesSymlink(const String & target, const String & link) override;
|
||||
|
||||
String readSymlink(const fs::path & path) const override;
|
||||
|
||||
bool equivalent(const String & p1, const String & p2) const override;
|
||||
|
||||
bool equivalentNoThrow(const String & p1, const String & p2) const override;
|
||||
|
||||
void truncateFile(const String & path, size_t size) override;
|
||||
|
||||
DataSourceDescription getDataSourceDescription() const override;
|
||||
|
||||
@ -193,6 +193,26 @@ public:
|
||||
/// If a file with `to_path` path already exists, it will be replaced.
|
||||
virtual void replaceFile(const String & from_path, const String & to_path) = 0;
|
||||
|
||||
virtual void renameNoReplace(const std::string &, const std::string &)
|
||||
{
|
||||
throw Exception(
|
||||
ErrorCodes::NOT_IMPLEMENTED, "Method `renameNoReplace()` not implemented for disk: {}", getDataSourceDescription().toString());
|
||||
}
|
||||
|
||||
virtual void renameExchange(const std::string &, const std::string &)
|
||||
{
|
||||
throw Exception(
|
||||
ErrorCodes::NOT_IMPLEMENTED, "Method `renameExchange()` not implemented for disk: {}", getDataSourceDescription().toString());
|
||||
}
|
||||
|
||||
virtual bool renameExchangeIfSupported(const std::string &, const std::string &)
|
||||
{
|
||||
throw Exception(
|
||||
ErrorCodes::NOT_IMPLEMENTED,
|
||||
"Method `renameExchangeIfSupported()` not implemented for disk: {}",
|
||||
getDataSourceDescription().toString());
|
||||
}
|
||||
|
||||
/// Recursively copy files from from_dir to to_dir. Create to_dir if not exists.
|
||||
virtual void copyDirectoryContent(
|
||||
const String & from_dir,
|
||||
@ -246,6 +266,14 @@ public:
|
||||
/// Remove directory. Throws exception if it's not a directory or if directory is not empty.
|
||||
virtual void removeDirectory(const String & path) = 0;
|
||||
|
||||
virtual void removeDirectoryIfExists(const String &)
|
||||
{
|
||||
throw Exception(
|
||||
ErrorCodes::NOT_IMPLEMENTED,
|
||||
"Method `removeDirectoryIfExists()` is not implemented for disk: {}",
|
||||
getDataSourceDescription().toString());
|
||||
}
|
||||
|
||||
/// Remove file or directory with all children. Use with extra caution. Throws exception if file doesn't exists.
|
||||
virtual void removeRecursive(const String & path) = 0;
|
||||
|
||||
@ -357,6 +385,49 @@ public:
|
||||
/// Create hardlink from `src_path` to `dst_path`.
|
||||
virtual void createHardLink(const String & src_path, const String & dst_path) = 0;
|
||||
|
||||
virtual bool isSymlinkSupported() const { return false; }
|
||||
virtual bool isSymlink(const String &) const
|
||||
{
|
||||
throw Exception(
|
||||
ErrorCodes::NOT_IMPLEMENTED, "Method isSymlink() is not implemented for disk type: {}", getDataSourceDescription().toString());
|
||||
}
|
||||
|
||||
virtual bool isSymlinkNoThrow(const String &) const
|
||||
{
|
||||
throw Exception(
|
||||
ErrorCodes::NOT_IMPLEMENTED,
|
||||
"Method isSymlinkNothrow() is not implemented for disk type: {}",
|
||||
getDataSourceDescription().toString());
|
||||
}
|
||||
|
||||
virtual void createDirectoriesSymlink(const String &, const String &)
|
||||
{
|
||||
throw Exception(
|
||||
ErrorCodes::NOT_IMPLEMENTED,
|
||||
"Method createDirectoriesSymlink() is not implemented for disk type: {}",
|
||||
getDataSourceDescription().toString());
|
||||
}
|
||||
|
||||
virtual String readSymlink(const fs::path &) const
|
||||
{
|
||||
throw Exception(
|
||||
ErrorCodes::NOT_IMPLEMENTED,
|
||||
"Method readSymlink() is not implemented for disk type: {}",
|
||||
getDataSourceDescription().toString());
|
||||
}
|
||||
|
||||
virtual bool equivalent(const String &, const String &) const
|
||||
{
|
||||
throw Exception(
|
||||
ErrorCodes::NOT_IMPLEMENTED, "Method equivalent() is not implemented for disk type: {}", getDataSourceDescription().toString());
|
||||
}
|
||||
|
||||
virtual bool equivalentNoThrow(const String &, const String &) const
|
||||
{
|
||||
throw Exception(
|
||||
ErrorCodes::NOT_IMPLEMENTED, "Method equivalent() is not implemented for disk type: {}", getDataSourceDescription().toString());
|
||||
}
|
||||
|
||||
/// Truncate file to specified size.
|
||||
virtual void truncateFile(const String & path, size_t size);
|
||||
|
||||
|
||||
@ -360,6 +360,8 @@ struct ContextSharedPart : boost::noncopyable
|
||||
ConfigurationPtr config TSA_GUARDED_BY(mutex); /// Global configuration settings.
|
||||
String tmp_path TSA_GUARDED_BY(mutex); /// Path to the temporary files that occur when processing the request.
|
||||
|
||||
std::shared_ptr<IDisk> shared_disk;
|
||||
|
||||
/// All temporary files that occur when processing the requests accounted here.
|
||||
/// Child scopes for more fine-grained accounting are created per user/query/etc.
|
||||
/// Initialized once during server startup.
|
||||
@ -1130,6 +1132,11 @@ String Context::getFilesystemCachesPath() const
|
||||
return shared->filesystem_caches_path;
|
||||
}
|
||||
|
||||
std::shared_ptr<IDisk> Context::getSharedDisk() const
|
||||
{
|
||||
return shared->shared_disk;
|
||||
}
|
||||
|
||||
String Context::getFilesystemCacheUser() const
|
||||
{
|
||||
SharedLockGuard lock(shared->mutex);
|
||||
@ -1218,6 +1225,8 @@ void Context::setPath(const String & path)
|
||||
|
||||
shared->path = path;
|
||||
|
||||
shared->shared_disk = std::make_shared<DiskLocal>("shared", path);
|
||||
|
||||
if (shared->tmp_path.empty() && !shared->root_temp_data_on_disk)
|
||||
shared->tmp_path = shared->path + "tmp/";
|
||||
|
||||
@ -1255,21 +1264,23 @@ try
|
||||
{
|
||||
LOG_DEBUG(log, "Setting up {} to store temporary data in it", path);
|
||||
|
||||
if (fs::exists(path))
|
||||
auto shared_disk = Context::getGlobalContextInstance()->getSharedDisk();
|
||||
|
||||
if (shared_disk->existsDirectory(path))
|
||||
{
|
||||
/// Clearing old temporary files.
|
||||
fs::directory_iterator dir_end;
|
||||
for (fs::directory_iterator it(path); it != dir_end; ++it)
|
||||
for (const auto dir_it = shared_disk->iterateDirectory(path); dir_it->isValid(); dir_it->next())
|
||||
{
|
||||
if (it->is_regular_file())
|
||||
auto file_path = fs::path(dir_it->path());
|
||||
if (shared_disk->existsFile(file_path))
|
||||
{
|
||||
if (startsWith(it->path().filename(), "tmp"))
|
||||
if (startsWith(file_path.filename(), "tmp"))
|
||||
{
|
||||
LOG_DEBUG(log, "Removing old temporary file {}", it->path().string());
|
||||
fs::remove(it->path());
|
||||
LOG_DEBUG(log, "Removing old temporary file {}", file_path.string());
|
||||
shared_disk->removeFileIfExists(file_path);
|
||||
}
|
||||
else
|
||||
LOG_DEBUG(log, "Found unknown file in temporary path {}", it->path().string());
|
||||
LOG_DEBUG(log, "Found unknown file in temporary path {}", file_path.string());
|
||||
}
|
||||
/// We skip directories (for example, 'http_buffers' - it's used for buffering of the results) and all other file types.
|
||||
}
|
||||
@ -4801,14 +4812,16 @@ void Context::checkCanBeDropped(const String & database, const String & table, c
|
||||
if (!max_size_to_drop || size <= max_size_to_drop)
|
||||
return;
|
||||
|
||||
auto shared_disk = getSharedDisk();
|
||||
|
||||
fs::path force_file(getFlagsPath() + "force_drop_table");
|
||||
bool force_file_exists = fs::exists(force_file);
|
||||
bool force_file_exists = shared_disk->existsFile(force_file);
|
||||
|
||||
if (force_file_exists)
|
||||
{
|
||||
try
|
||||
{
|
||||
fs::remove(force_file);
|
||||
shared_disk->removeFileIfExists(force_file);
|
||||
return;
|
||||
}
|
||||
catch (...)
|
||||
|
||||
@ -585,6 +585,7 @@ public:
|
||||
String getUserScriptsPath() const;
|
||||
String getFilesystemCachesPath() const;
|
||||
String getFilesystemCacheUser() const;
|
||||
std::shared_ptr<IDisk> getSharedDisk() const;
|
||||
|
||||
/// A list of warnings about server configuration to place in `system.warnings` table.
|
||||
Strings getWarnings() const;
|
||||
|
||||
@ -617,6 +617,7 @@ DatabasePtr DatabaseCatalog::detachDatabase(ContextPtr local_context, const Stri
|
||||
|
||||
if (drop)
|
||||
{
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
UUID db_uuid = db->getUUID();
|
||||
|
||||
/// Delete the database.
|
||||
@ -625,9 +626,9 @@ DatabasePtr DatabaseCatalog::detachDatabase(ContextPtr local_context, const Stri
|
||||
/// Old ClickHouse versions did not store database.sql files
|
||||
/// Remove metadata dir (if exists) to avoid recreation of .sql file on server startup
|
||||
fs::path database_metadata_dir = fs::path(getContext()->getPath()) / "metadata" / escapeForFileName(database_name);
|
||||
fs::remove(database_metadata_dir);
|
||||
shared_disk->removeDirectoryIfExists(database_metadata_dir);
|
||||
fs::path database_metadata_file = fs::path(getContext()->getPath()) / "metadata" / (escapeForFileName(database_name) + ".sql");
|
||||
fs::remove(database_metadata_file);
|
||||
shared_disk->removeFileIfExists(database_metadata_file);
|
||||
|
||||
if (db_uuid != UUIDHelpers::Nil)
|
||||
removeUUIDMappingFinally(db_uuid);
|
||||
@ -996,6 +997,8 @@ void DatabaseCatalog::loadMarkedAsDroppedTables()
|
||||
{
|
||||
assert(!cleanup_task);
|
||||
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
/// /clickhouse_root/metadata_dropped/ contains files with metadata of tables,
|
||||
/// which where marked as dropped by Atomic databases.
|
||||
/// Data directories of such tables still exists in store/
|
||||
@ -1006,41 +1009,41 @@ void DatabaseCatalog::loadMarkedAsDroppedTables()
|
||||
std::map<String, StorageID> dropped_metadata;
|
||||
String path = std::filesystem::path(getContext()->getPath()) / "metadata_dropped" / "";
|
||||
|
||||
if (!std::filesystem::exists(path))
|
||||
{
|
||||
if (!shared_disk->existsDirectory(path))
|
||||
return;
|
||||
}
|
||||
|
||||
Poco::DirectoryIterator dir_end;
|
||||
for (Poco::DirectoryIterator it(path); it != dir_end; ++it)
|
||||
for (const auto dir_it = shared_disk->iterateDirectory(path); dir_it->isValid(); dir_it->next())
|
||||
{
|
||||
auto sub_path = fs::path(dir_it->path());
|
||||
/// File name has the following format:
|
||||
/// database_name.table_name.uuid.sql
|
||||
|
||||
auto sub_path_filename = sub_path.filename().string();
|
||||
|
||||
/// Ignore unexpected files
|
||||
if (!it.name().ends_with(".sql"))
|
||||
if (!sub_path_filename.ends_with(".sql"))
|
||||
continue;
|
||||
|
||||
/// Process .sql files with metadata of tables which were marked as dropped
|
||||
StorageID dropped_id = StorageID::createEmpty();
|
||||
size_t dot_pos = it.name().find('.');
|
||||
size_t dot_pos = sub_path_filename.find('.');
|
||||
if (dot_pos == std::string::npos)
|
||||
continue;
|
||||
dropped_id.database_name = unescapeForFileName(it.name().substr(0, dot_pos));
|
||||
dropped_id.database_name = unescapeForFileName(sub_path_filename.substr(0, dot_pos));
|
||||
|
||||
size_t prev_dot_pos = dot_pos;
|
||||
dot_pos = it.name().find('.', prev_dot_pos + 1);
|
||||
dot_pos = sub_path_filename.find('.', prev_dot_pos + 1);
|
||||
if (dot_pos == std::string::npos)
|
||||
continue;
|
||||
dropped_id.table_name = unescapeForFileName(it.name().substr(prev_dot_pos + 1, dot_pos - prev_dot_pos - 1));
|
||||
dropped_id.table_name = unescapeForFileName(sub_path_filename.substr(prev_dot_pos + 1, dot_pos - prev_dot_pos - 1));
|
||||
|
||||
prev_dot_pos = dot_pos;
|
||||
dot_pos = it.name().find('.', prev_dot_pos + 1);
|
||||
dot_pos = sub_path_filename.find('.', prev_dot_pos + 1);
|
||||
if (dot_pos == std::string::npos)
|
||||
continue;
|
||||
dropped_id.uuid = parse<UUID>(it.name().substr(prev_dot_pos + 1, dot_pos - prev_dot_pos - 1));
|
||||
dropped_id.uuid = parse<UUID>(sub_path_filename.substr(prev_dot_pos + 1, dot_pos - prev_dot_pos - 1));
|
||||
|
||||
String full_path = path + it.name();
|
||||
String full_path = path + sub_path_filename;
|
||||
dropped_metadata.emplace(std::move(full_path), std::move(dropped_id));
|
||||
}
|
||||
|
||||
@ -1084,6 +1087,8 @@ void DatabaseCatalog::enqueueDroppedTableCleanup(StorageID table_id, StoragePtr
|
||||
assert(!table || table->getStorageID().uuid == table_id.uuid);
|
||||
assert(dropped_metadata_path == getPathForDroppedMetadata(table_id));
|
||||
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
/// Table was removed from database. Enqueue removal of its data from disk.
|
||||
time_t drop_time;
|
||||
if (table)
|
||||
@ -1128,7 +1133,7 @@ void DatabaseCatalog::enqueueDroppedTableCleanup(StorageID table_id, StoragePtr
|
||||
}
|
||||
|
||||
addUUIDMapping(table_id.uuid);
|
||||
drop_time = FS::getModificationTime(dropped_metadata_path);
|
||||
drop_time = shared_disk->getLastModified(dropped_metadata_path).epochTime();
|
||||
}
|
||||
|
||||
std::lock_guard lock(tables_marked_dropped_mutex);
|
||||
@ -1161,6 +1166,8 @@ void DatabaseCatalog::enqueueDroppedTableCleanup(StorageID table_id, StoragePtr
|
||||
|
||||
void DatabaseCatalog::undropTable(StorageID table_id)
|
||||
{
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
String latest_metadata_dropped_path;
|
||||
TableMarkedAsDropped dropped_table;
|
||||
{
|
||||
@ -1198,7 +1205,7 @@ void DatabaseCatalog::undropTable(StorageID table_id)
|
||||
/// a table is successfully marked undropped,
|
||||
/// if and only if its metadata file was moved to a database.
|
||||
/// This maybe throw exception.
|
||||
renameNoReplace(latest_metadata_dropped_path, table_metadata_path);
|
||||
shared_disk->moveFile(latest_metadata_dropped_path, table_metadata_path);
|
||||
|
||||
if (first_async_drop_in_queue == it_dropped_table)
|
||||
++first_async_drop_in_queue;
|
||||
@ -1381,6 +1388,8 @@ void DatabaseCatalog::dropTableDataTask()
|
||||
|
||||
void DatabaseCatalog::dropTableFinally(const TableMarkedAsDropped & table)
|
||||
{
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
if (table.table)
|
||||
{
|
||||
table.table->drop();
|
||||
@ -1398,7 +1407,7 @@ void DatabaseCatalog::dropTableFinally(const TableMarkedAsDropped & table)
|
||||
}
|
||||
|
||||
LOG_INFO(log, "Removing metadata {} of dropped table {}", table.metadata_path, table.table_id.getNameForLogs());
|
||||
fs::remove(fs::path(table.metadata_path));
|
||||
shared_disk->removeFileIfExists(fs::path(table.metadata_path));
|
||||
|
||||
removeUUIDMappingFinally(table.table_id.uuid);
|
||||
CurrentMetrics::sub(CurrentMetrics::TablesToDropQueueSize, 1);
|
||||
|
||||
@ -228,16 +228,18 @@ BlockIO InterpreterCreateQuery::createDatabase(ASTCreateQuery & create)
|
||||
db_num_limit, db_count);
|
||||
}
|
||||
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
/// Will write file with database metadata, if needed.
|
||||
String database_name_escaped = escapeForFileName(database_name);
|
||||
fs::path metadata_path = fs::weakly_canonical(getContext()->getPath());
|
||||
fs::create_directories(metadata_path / "metadata");
|
||||
shared_disk->createDirectories(metadata_path / "metadata");
|
||||
fs::path metadata_file_tmp_path = metadata_path / "metadata" / (database_name_escaped + ".sql.tmp");
|
||||
fs::path metadata_file_path = metadata_path / "metadata" / (database_name_escaped + ".sql");
|
||||
|
||||
if (!create.storage && create.attach)
|
||||
{
|
||||
if (!fs::exists(metadata_file_path))
|
||||
if (!shared_disk->existsFile(metadata_file_path))
|
||||
throw Exception(ErrorCodes::UNKNOWN_DATABASE_ENGINE, "Database engine must be specified for ATTACH DATABASE query");
|
||||
/// Short syntax: try read database definition from file
|
||||
auto ast = DatabaseOnDisk::parseQueryFromMetadata(nullptr, getContext(), metadata_file_path);
|
||||
@ -284,7 +286,7 @@ BlockIO InterpreterCreateQuery::createDatabase(ASTCreateQuery & create)
|
||||
|
||||
metadata_path = metadata_path / "store" / DatabaseCatalog::getPathForUUID(create.uuid);
|
||||
|
||||
if (!create.attach && fs::exists(metadata_path) && !fs::is_empty(metadata_path))
|
||||
if (!create.attach && shared_disk->existsDirectory(metadata_path) && !shared_disk->isDirectoryEmpty(metadata_path))
|
||||
throw Exception(ErrorCodes::DATABASE_ALREADY_EXISTS, "Metadata directory {} already exists and is not empty", metadata_path.string());
|
||||
}
|
||||
else if (create.storage->engine->name == "MaterializeMySQL"
|
||||
@ -356,7 +358,7 @@ BlockIO InterpreterCreateQuery::createDatabase(ASTCreateQuery & create)
|
||||
"Enable allow_experimental_database_materialized_postgresql to use it");
|
||||
}
|
||||
|
||||
bool need_write_metadata = !create.attach || !fs::exists(metadata_file_path);
|
||||
bool need_write_metadata = !create.attach || !shared_disk->existsFile(metadata_file_path);
|
||||
bool need_lock_uuid = internal || need_write_metadata;
|
||||
auto mode = getLoadingStrictnessLevel(create.attach, force_attach, has_force_restore_data_flag, /*secondary*/ false);
|
||||
|
||||
@ -384,7 +386,7 @@ BlockIO InterpreterCreateQuery::createDatabase(ASTCreateQuery & create)
|
||||
String statement = statement_buf.str();
|
||||
|
||||
/// Needed to make database creation retriable if it fails after the file is created
|
||||
fs::remove(metadata_file_tmp_path);
|
||||
shared_disk->removeFileIfExists(metadata_file_tmp_path);
|
||||
|
||||
/// Exclusive flag guarantees, that database is not created right now in another thread.
|
||||
WriteBufferFromFile out(metadata_file_tmp_path, statement.size(), O_WRONLY | O_CREAT | O_EXCL);
|
||||
@ -422,7 +424,7 @@ BlockIO InterpreterCreateQuery::createDatabase(ASTCreateQuery & create)
|
||||
if (need_write_metadata)
|
||||
{
|
||||
/// Prevents from overwriting metadata of detached database
|
||||
renameNoReplace(metadata_file_tmp_path, metadata_file_path);
|
||||
shared_disk->moveFile(metadata_file_tmp_path, metadata_file_path);
|
||||
renamed = true;
|
||||
}
|
||||
}
|
||||
@ -430,8 +432,8 @@ BlockIO InterpreterCreateQuery::createDatabase(ASTCreateQuery & create)
|
||||
{
|
||||
if (renamed)
|
||||
{
|
||||
[[maybe_unused]] bool removed = fs::remove(metadata_file_path);
|
||||
assert(removed);
|
||||
assert(shared_disk->existsFile(metadata_file_path));
|
||||
shared_disk->removeFileIfExists(metadata_file_path);
|
||||
}
|
||||
if (added)
|
||||
DatabaseCatalog::instance().detachDatabase(getContext(), database_name, false, false);
|
||||
@ -1787,8 +1789,9 @@ bool InterpreterCreateQuery::doCreateTable(ASTCreateQuery & create,
|
||||
|
||||
data_path = database->getTableDataPath(create);
|
||||
auto full_data_path = fs::path{getContext()->getPath()} / data_path;
|
||||
auto shared_disk = getContext()->getSharedDisk();
|
||||
|
||||
if (!create.attach && !data_path.empty() && fs::exists(full_data_path))
|
||||
if (!create.attach && !data_path.empty() && shared_disk->existsDirectory(full_data_path))
|
||||
{
|
||||
if (getContext()->getZooKeeperMetadataTransaction() &&
|
||||
!getContext()->getZooKeeperMetadataTransaction()->isInitialQuery() &&
|
||||
@ -1803,8 +1806,8 @@ bool InterpreterCreateQuery::doCreateTable(ASTCreateQuery & create,
|
||||
fs::path trash_path = fs::path{getContext()->getPath()} / "trash" / data_path / getHexUIntLowercase(thread_local_rng());
|
||||
LOG_WARNING(getLogger("InterpreterCreateQuery"), "Directory for {} data {} already exists. Will move it to {}",
|
||||
Poco::toLower(storage_name), String(data_path), trash_path);
|
||||
fs::create_directories(trash_path.parent_path());
|
||||
renameNoReplace(full_data_path, trash_path);
|
||||
shared_disk->createDirectories(trash_path.parent_path());
|
||||
shared_disk->moveFile(full_data_path, trash_path);
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
@ -1,6 +1,7 @@
|
||||
#include <Common/thread_local_rng.h>
|
||||
#include <Common/ThreadPool.h>
|
||||
#include "Common/tests/gtest_global_context.h"
|
||||
#include <Common/PoolId.h>
|
||||
#include <Common/ThreadPool.h>
|
||||
#include <Common/thread_local_rng.h>
|
||||
|
||||
#include <Parsers/ParserCreateQuery.h>
|
||||
#include <Parsers/ASTCreateQuery.h>
|
||||
@ -104,7 +105,8 @@ static void loadDatabase(
|
||||
String database_attach_query;
|
||||
String database_metadata_file = database_path + ".sql";
|
||||
|
||||
if (fs::exists(fs::path(database_metadata_file)))
|
||||
auto shared_disk = Context::getGlobalContextInstance()->getSharedDisk();
|
||||
if (shared_disk->existsFile(fs::path(database_metadata_file)))
|
||||
{
|
||||
/// There is .sql file with database creation statement.
|
||||
ReadBufferFromFile in(database_metadata_file, 1024);
|
||||
@ -130,9 +132,10 @@ static void loadDatabase(
|
||||
|
||||
static void checkUnsupportedVersion(ContextMutablePtr context, const String & database_name)
|
||||
{
|
||||
auto shared_disk = Context::getGlobalContextInstance()->getSharedDisk();
|
||||
/// Produce better exception message
|
||||
String metadata_path = context->getPath() + "metadata/" + database_name;
|
||||
if (fs::exists(fs::path(metadata_path)))
|
||||
if (shared_disk->existsDirectory(fs::path(metadata_path)))
|
||||
throw Exception(ErrorCodes::NOT_IMPLEMENTED, "Data directory for {} database exists, but metadata file does not. "
|
||||
"Probably you are trying to upgrade from version older than 20.7. "
|
||||
"If so, you should upgrade through intermediate version.", database_name);
|
||||
@ -143,8 +146,10 @@ static void checkIncompleteOrdinaryToAtomicConversion(ContextPtr context, const
|
||||
if (context->getConfigRef().has("allow_reserved_database_name_tmp_convert"))
|
||||
return;
|
||||
|
||||
auto shared_disk = Context::getGlobalContextInstance()->getSharedDisk();
|
||||
|
||||
auto convert_flag_path = fs::path(context->getFlagsPath()) / "convert_ordinary_to_atomic";
|
||||
if (!fs::exists(convert_flag_path))
|
||||
if (!shared_disk->existsFile(convert_flag_path))
|
||||
return;
|
||||
|
||||
/// Flag exists. Let's check if we had an unsuccessful conversion attempt previously
|
||||
@ -171,6 +176,8 @@ static void checkIncompleteOrdinaryToAtomicConversion(ContextPtr context, const
|
||||
|
||||
LoadTaskPtrs loadMetadata(ContextMutablePtr context, const String & default_database_name, bool async_load_databases)
|
||||
{
|
||||
auto shared_disk = Context::getGlobalContextInstance()->getSharedDisk();
|
||||
|
||||
LoggerPtr log = getLogger("loadMetadata");
|
||||
|
||||
String path = context->getPath() + "metadata";
|
||||
@ -179,12 +186,12 @@ LoadTaskPtrs loadMetadata(ContextMutablePtr context, const String & default_data
|
||||
/// on difference of data parts while initializing tables.
|
||||
/// This file is immediately deleted i.e. "one-shot".
|
||||
auto force_restore_data_flag_file = fs::path(context->getFlagsPath()) / "force_restore_data";
|
||||
bool has_force_restore_data_flag = fs::exists(force_restore_data_flag_file);
|
||||
bool has_force_restore_data_flag = shared_disk->existsFile(force_restore_data_flag_file);
|
||||
if (has_force_restore_data_flag)
|
||||
{
|
||||
try
|
||||
{
|
||||
fs::remove(force_restore_data_flag_file);
|
||||
shared_disk->removeFileIfExists(force_restore_data_flag_file);
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
@ -195,16 +202,16 @@ LoadTaskPtrs loadMetadata(ContextMutablePtr context, const String & default_data
|
||||
|
||||
/// Loop over databases.
|
||||
std::map<String, String> databases;
|
||||
fs::directory_iterator dir_end;
|
||||
for (fs::directory_iterator it(path); it != dir_end; ++it)
|
||||
for (const auto dir_it = shared_disk->iterateDirectory(path); dir_it->isValid(); dir_it->next())
|
||||
{
|
||||
if (it->is_symlink())
|
||||
auto sub_path = fs::path(dir_it->path());
|
||||
if (shared_disk->isSymlinkSupported() && shared_disk->isSymlink(sub_path))
|
||||
continue;
|
||||
|
||||
if (it->is_directory())
|
||||
if (shared_disk->existsDirectory(sub_path))
|
||||
continue;
|
||||
|
||||
const auto current_file = it->path().filename().string();
|
||||
const auto current_file = sub_path.filename().string();
|
||||
|
||||
/// TODO: DETACH DATABASE PERMANENTLY ?
|
||||
if (fs::path(current_file).extension() == ".sql")
|
||||
@ -217,10 +224,10 @@ LoadTaskPtrs loadMetadata(ContextMutablePtr context, const String & default_data
|
||||
/// Temporary fails may be left from previous server runs.
|
||||
if (fs::path(current_file).extension() == ".tmp")
|
||||
{
|
||||
LOG_WARNING(log, "Removing temporary file {}", it->path().string());
|
||||
LOG_WARNING(log, "Removing temporary file {}", sub_path.string());
|
||||
try
|
||||
{
|
||||
fs::remove(it->path());
|
||||
shared_disk->removeFileIfExists(sub_path);
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
@ -281,12 +288,14 @@ LoadTaskPtrs loadMetadata(ContextMutablePtr context, const String & default_data
|
||||
|
||||
static void loadSystemDatabaseImpl(ContextMutablePtr context, const String & database_name, const String & default_engine)
|
||||
{
|
||||
auto shared_disk = Context::getGlobalContextInstance()->getSharedDisk();
|
||||
|
||||
String path = context->getPath() + "metadata/" + database_name;
|
||||
String metadata_file = path + ".sql";
|
||||
if (fs::exists(metadata_file + ".tmp"))
|
||||
fs::remove(metadata_file + ".tmp");
|
||||
if (shared_disk->existsFile(metadata_file + ".tmp"))
|
||||
shared_disk->removeFileIfExists(metadata_file + ".tmp");
|
||||
|
||||
if (fs::exists(fs::path(metadata_file)))
|
||||
if (shared_disk->existsFile(fs::path(metadata_file)))
|
||||
{
|
||||
/// 'has_force_restore_data_flag' is true, to not fail on loading query_log table, if it is corrupted.
|
||||
loadDatabase(context, database_name, path, true);
|
||||
@ -481,8 +490,10 @@ void maybeConvertSystemDatabase(ContextMutablePtr context, LoadTaskPtrs & load_s
|
||||
|
||||
void convertDatabasesEnginesIfNeed(const LoadTaskPtrs & load_metadata, ContextMutablePtr context)
|
||||
{
|
||||
auto shared_disk = Context::getGlobalContextInstance()->getSharedDisk();
|
||||
|
||||
auto convert_flag_path = fs::path(context->getFlagsPath()) / "convert_ordinary_to_atomic";
|
||||
if (!fs::exists(convert_flag_path))
|
||||
if (!shared_disk->existsFile(convert_flag_path))
|
||||
return;
|
||||
|
||||
LOG_INFO(getLogger("loadMetadata"), "Found convert_ordinary_to_atomic file in flags directory, "
|
||||
@ -496,7 +507,7 @@ void convertDatabasesEnginesIfNeed(const LoadTaskPtrs & load_metadata, ContextMu
|
||||
maybeConvertOrdinaryDatabaseToAtomic(context, name);
|
||||
|
||||
LOG_INFO(getLogger("loadMetadata"), "Conversion finished, removing convert_ordinary_to_atomic flag");
|
||||
fs::remove(convert_flag_path);
|
||||
shared_disk->removeFileIfExists(convert_flag_path);
|
||||
}
|
||||
|
||||
LoadTaskPtrs loadMetadataSystem(ContextMutablePtr context, bool async_load_system_database)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user