mirror of
https://github.com/ClickHouse/ClickHouse.git
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c1dea66907
Since now it relies on SystemLog that is in Interpreters, and it cannot be moved into Common, since it has lots of dependencies.
3145 lines
104 KiB
C++
3145 lines
104 KiB
C++
#include <map>
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#include <set>
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#include <optional>
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#include <memory>
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#include <Poco/Mutex.h>
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#include <Poco/UUID.h>
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#include <Poco/Net/IPAddress.h>
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#include <Poco/Util/Application.h>
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#include <Common/Macros.h>
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#include <Common/escapeForFileName.h>
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#include <Common/setThreadName.h>
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#include <Common/Stopwatch.h>
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#include <Common/formatReadable.h>
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#include <Common/Throttler.h>
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#include <Common/thread_local_rng.h>
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#include <Common/FieldVisitorToString.h>
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#include <Common/getMultipleKeysFromConfig.h>
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#include <Coordination/KeeperDispatcher.h>
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#include <Compression/ICompressionCodec.h>
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#include <Core/BackgroundSchedulePool.h>
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#include <Formats/FormatFactory.h>
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#include <Databases/IDatabase.h>
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#include <Storages/IStorage.h>
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#include <Storages/MarkCache.h>
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#include <Storages/MergeTree/MergeList.h>
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#include <Storages/MergeTree/ReplicatedFetchList.h>
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#include <Storages/MergeTree/MergeTreeData.h>
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#include <Storages/MergeTree/MergeTreeSettings.h>
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#include <Storages/CompressionCodecSelector.h>
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#include <Storages/StorageS3Settings.h>
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#include <Disks/DiskLocal.h>
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#include <TableFunctions/TableFunctionFactory.h>
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#include <Interpreters/ActionLocksManager.h>
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#include <Interpreters/ExternalLoaderXMLConfigRepository.h>
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#include <Core/Settings.h>
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#include <Core/SettingsQuirks.h>
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#include <Access/AccessControl.h>
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#include <Access/ContextAccess.h>
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#include <Access/EnabledRolesInfo.h>
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#include <Access/EnabledRowPolicies.h>
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#include <Access/QuotaUsage.h>
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#include <Access/User.h>
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#include <Access/Credentials.h>
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#include <Access/SettingsProfile.h>
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#include <Access/SettingsProfilesInfo.h>
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#include <Access/SettingsConstraintsAndProfileIDs.h>
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#include <Access/ExternalAuthenticators.h>
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#include <Access/GSSAcceptor.h>
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#include <Backups/BackupFactory.h>
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#include <Dictionaries/Embedded/GeoDictionariesLoader.h>
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#include <Interpreters/EmbeddedDictionaries.h>
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#include <Interpreters/ExternalDictionariesLoader.h>
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#include <Interpreters/ExternalUserDefinedExecutableFunctionsLoader.h>
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#include <Interpreters/ExternalModelsLoader.h>
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#include <Interpreters/ExpressionActions.h>
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#include <Interpreters/ProcessList.h>
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#include <Interpreters/InterserverCredentials.h>
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#include <Interpreters/Cluster.h>
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#include <Interpreters/InterserverIOHandler.h>
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#include <Interpreters/SystemLog.h>
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#include <Interpreters/SessionLog.h>
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#include <Interpreters/Context.h>
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#include <Interpreters/DDLWorker.h>
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#include <Interpreters/DDLTask.h>
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#include <Interpreters/Session.h>
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#include <Interpreters/TraceCollector.h>
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#include <IO/ReadBufferFromFile.h>
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#include <IO/UncompressedCache.h>
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#include <IO/MMappedFileCache.h>
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#include <Parsers/ASTCreateQuery.h>
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#include <Parsers/ParserCreateQuery.h>
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#include <Parsers/parseQuery.h>
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#include <Common/StackTrace.h>
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#include <Common/Config/ConfigProcessor.h>
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#include <Common/Config/AbstractConfigurationComparison.h>
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#include <Common/ZooKeeper/ZooKeeper.h>
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#include <Common/ShellCommand.h>
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#include <base/logger_useful.h>
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#include <base/EnumReflection.h>
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#include <Common/RemoteHostFilter.h>
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#include <Interpreters/AsynchronousInsertQueue.h>
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#include <Interpreters/DatabaseCatalog.h>
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#include <Interpreters/JIT/CompiledExpressionCache.h>
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#include <Storages/MergeTree/BackgroundJobsAssignee.h>
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#include <Storages/MergeTree/MergeTreeBackgroundExecutor.h>
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#include <Storages/MergeTree/MergeTreeDataPartUUID.h>
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#include <Interpreters/SynonymsExtensions.h>
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#include <Interpreters/Lemmatizers.h>
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#include <Interpreters/ClusterDiscovery.h>
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#include <filesystem>
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namespace fs = std::filesystem;
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namespace ProfileEvents
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{
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extern const Event ContextLock;
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}
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namespace CurrentMetrics
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{
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extern const Metric ContextLockWait;
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extern const Metric BackgroundMovePoolTask;
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extern const Metric BackgroundSchedulePoolTask;
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extern const Metric BackgroundBufferFlushSchedulePoolTask;
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extern const Metric BackgroundDistributedSchedulePoolTask;
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extern const Metric BackgroundMessageBrokerSchedulePoolTask;
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extern const Metric BackgroundMergesAndMutationsPoolTask;
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extern const Metric BackgroundFetchesPoolTask;
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extern const Metric BackgroundCommonPoolTask;
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}
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int BAD_ARGUMENTS;
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extern const int BAD_GET;
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extern const int UNKNOWN_DATABASE;
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extern const int UNKNOWN_TABLE;
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extern const int TABLE_ALREADY_EXISTS;
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extern const int THERE_IS_NO_SESSION;
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extern const int THERE_IS_NO_QUERY;
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extern const int NO_ELEMENTS_IN_CONFIG;
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extern const int TABLE_SIZE_EXCEEDS_MAX_DROP_SIZE_LIMIT;
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extern const int LOGICAL_ERROR;
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extern const int INVALID_SETTING_VALUE;
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extern const int UNKNOWN_READ_METHOD;
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}
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/** Set of known objects (environment), that could be used in query.
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* Shared (global) part. Order of members (especially, order of destruction) is very important.
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*/
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struct ContextSharedPart
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{
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Poco::Logger * log = &Poco::Logger::get("Context");
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/// For access of most of shared objects. Recursive mutex.
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mutable std::recursive_mutex mutex;
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/// Separate mutex for access of dictionaries. Separate mutex to avoid locks when server doing request to itself.
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mutable std::mutex embedded_dictionaries_mutex;
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mutable std::mutex external_dictionaries_mutex;
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mutable std::mutex external_user_defined_executable_functions_mutex;
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mutable std::mutex external_models_mutex;
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/// Separate mutex for storage policies. During server startup we may
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/// initialize some important storages (system logs with MergeTree engine)
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/// under context lock.
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mutable std::mutex storage_policies_mutex;
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/// Separate mutex for re-initialization of zookeeper session. This operation could take a long time and must not interfere with another operations.
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mutable std::mutex zookeeper_mutex;
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mutable zkutil::ZooKeeperPtr zookeeper; /// Client for ZooKeeper.
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ConfigurationPtr zookeeper_config; /// Stores zookeeper configs
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#if USE_NURAFT
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mutable std::mutex keeper_dispatcher_mutex;
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mutable std::shared_ptr<KeeperDispatcher> keeper_dispatcher;
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#endif
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mutable std::mutex auxiliary_zookeepers_mutex;
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mutable std::map<String, zkutil::ZooKeeperPtr> auxiliary_zookeepers; /// Map for auxiliary ZooKeeper clients.
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ConfigurationPtr auxiliary_zookeepers_config; /// Stores auxiliary zookeepers configs
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String interserver_io_host; /// The host name by which this server is available for other servers.
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UInt16 interserver_io_port = 0; /// and port.
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String interserver_scheme; /// http or https
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MultiVersion<InterserverCredentials> interserver_io_credentials;
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String path; /// Path to the data directory, with a slash at the end.
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String flags_path; /// Path to the directory with some control flags for server maintenance.
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String user_files_path; /// Path to the directory with user provided files, usable by 'file' table function.
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String dictionaries_lib_path; /// Path to the directory with user provided binaries and libraries for external dictionaries.
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String user_scripts_path; /// Path to the directory with user provided scripts.
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ConfigurationPtr config; /// Global configuration settings.
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String tmp_path; /// Path to the temporary files that occur when processing the request.
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mutable VolumePtr tmp_volume; /// Volume for the the temporary files that occur when processing the request.
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mutable VolumePtr backups_volume; /// Volume for all the backups.
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mutable std::optional<EmbeddedDictionaries> embedded_dictionaries; /// Metrica's dictionaries. Have lazy initialization.
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mutable std::optional<ExternalDictionariesLoader> external_dictionaries_loader;
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mutable std::optional<ExternalUserDefinedExecutableFunctionsLoader> external_user_defined_executable_functions_loader;
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mutable std::optional<ExternalModelsLoader> external_models_loader;
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ExternalLoaderXMLConfigRepository * external_models_config_repository = nullptr;
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scope_guard models_repository_guard;
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ExternalLoaderXMLConfigRepository * external_dictionaries_config_repository = nullptr;
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scope_guard dictionaries_xmls;
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ExternalLoaderXMLConfigRepository * user_defined_executable_functions_config_repository = nullptr;
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scope_guard user_defined_executable_functions_xmls;
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#if USE_NLP
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mutable std::optional<SynonymsExtensions> synonyms_extensions;
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mutable std::optional<Lemmatizers> lemmatizers;
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#endif
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String default_profile_name; /// Default profile name used for default values.
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String system_profile_name; /// Profile used by system processes
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String buffer_profile_name; /// Profile used by Buffer engine for flushing to the underlying
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std::unique_ptr<AccessControl> access_control;
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mutable UncompressedCachePtr uncompressed_cache; /// The cache of decompressed blocks.
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mutable MarkCachePtr mark_cache; /// Cache of marks in compressed files.
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mutable UncompressedCachePtr index_uncompressed_cache; /// The cache of decompressed blocks for MergeTree indices.
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mutable MarkCachePtr index_mark_cache; /// Cache of marks in compressed files of MergeTree indices.
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mutable MMappedFileCachePtr mmap_cache; /// Cache of mmapped files to avoid frequent open/map/unmap/close and to reuse from several threads.
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ProcessList process_list; /// Executing queries at the moment.
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MergeList merge_list; /// The list of executable merge (for (Replicated)?MergeTree)
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ReplicatedFetchList replicated_fetch_list;
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ConfigurationPtr users_config; /// Config with the users, profiles and quotas sections.
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InterserverIOHandler interserver_io_handler; /// Handler for interserver communication.
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mutable std::optional<BackgroundSchedulePool> buffer_flush_schedule_pool; /// A thread pool that can do background flush for Buffer tables.
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mutable std::optional<BackgroundSchedulePool> schedule_pool; /// A thread pool that can run different jobs in background (used in replicated tables)
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mutable std::optional<BackgroundSchedulePool> distributed_schedule_pool; /// A thread pool that can run different jobs in background (used for distributed sends)
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mutable std::optional<BackgroundSchedulePool> message_broker_schedule_pool; /// A thread pool that can run different jobs in background (used for message brokers, like RabbitMQ and Kafka)
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mutable ThrottlerPtr replicated_fetches_throttler; /// A server-wide throttler for replicated fetches
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mutable ThrottlerPtr replicated_sends_throttler; /// A server-wide throttler for replicated sends
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MultiVersion<Macros> macros; /// Substitutions extracted from config.
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std::unique_ptr<DDLWorker> ddl_worker; /// Process ddl commands from zk.
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/// Rules for selecting the compression settings, depending on the size of the part.
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mutable std::unique_ptr<CompressionCodecSelector> compression_codec_selector;
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/// Storage disk chooser for MergeTree engines
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mutable std::shared_ptr<const DiskSelector> merge_tree_disk_selector;
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/// Storage policy chooser for MergeTree engines
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mutable std::shared_ptr<const StoragePolicySelector> merge_tree_storage_policy_selector;
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std::optional<MergeTreeSettings> merge_tree_settings; /// Settings of MergeTree* engines.
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std::optional<MergeTreeSettings> replicated_merge_tree_settings; /// Settings of ReplicatedMergeTree* engines.
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std::atomic_size_t max_table_size_to_drop = 50000000000lu; /// Protects MergeTree tables from accidental DROP (50GB by default)
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std::atomic_size_t max_partition_size_to_drop = 50000000000lu; /// Protects MergeTree partitions from accidental DROP (50GB by default)
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String format_schema_path; /// Path to a directory that contains schema files used by input formats.
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ActionLocksManagerPtr action_locks_manager; /// Set of storages' action lockers
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std::unique_ptr<SystemLogs> system_logs; /// Used to log queries and operations on parts
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std::optional<StorageS3Settings> storage_s3_settings; /// Settings of S3 storage
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std::vector<String> warnings; /// Store warning messages about server configuration.
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/// Background executors for *MergeTree tables
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MergeMutateBackgroundExecutorPtr merge_mutate_executor;
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OrdinaryBackgroundExecutorPtr moves_executor;
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OrdinaryBackgroundExecutorPtr fetch_executor;
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OrdinaryBackgroundExecutorPtr common_executor;
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RemoteHostFilter remote_host_filter; /// Allowed URL from config.xml
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std::optional<TraceCollector> trace_collector; /// Thread collecting traces from threads executing queries
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/// Clusters for distributed tables
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/// Initialized on demand (on distributed storages initialization) since Settings should be initialized
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std::shared_ptr<Clusters> clusters;
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ConfigurationPtr clusters_config; /// Stores updated configs
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mutable std::mutex clusters_mutex; /// Guards clusters and clusters_config
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std::unique_ptr<ClusterDiscovery> cluster_discovery;
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std::shared_ptr<AsynchronousInsertQueue> async_insert_queue;
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std::map<String, UInt16> server_ports;
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bool shutdown_called = false;
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/// Has background executors for MergeTree tables been initialized?
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bool is_background_executors_initialized = false;
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Stopwatch uptime_watch;
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Context::ApplicationType application_type = Context::ApplicationType::SERVER;
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/// vector of xdbc-bridge commands, they will be killed when Context will be destroyed
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std::vector<std::unique_ptr<ShellCommand>> bridge_commands;
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Context::ConfigReloadCallback config_reload_callback;
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ContextSharedPart()
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: access_control(std::make_unique<AccessControl>()), macros(std::make_unique<Macros>())
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{
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/// TODO: make it singleton (?)
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static std::atomic<size_t> num_calls{0};
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if (++num_calls > 1)
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{
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std::cerr << "Attempting to create multiple ContextShared instances. Stack trace:\n" << StackTrace().toString();
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std::cerr.flush();
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std::terminate();
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}
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}
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~ContextSharedPart()
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{
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try
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{
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shutdown();
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}
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catch (...)
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{
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tryLogCurrentException(__PRETTY_FUNCTION__);
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}
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}
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/** Perform a complex job of destroying objects in advance.
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*/
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void shutdown()
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{
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if (shutdown_called)
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return;
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shutdown_called = true;
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/// Stop periodic reloading of the configuration files.
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/// This must be done first because otherwise the reloading may pass a changed config
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/// to some destroyed parts of ContextSharedPart.
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if (access_control)
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access_control->stopPeriodicReloadingUsersConfigs();
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if (external_dictionaries_loader)
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external_dictionaries_loader->enablePeriodicUpdates(false);
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if (external_user_defined_executable_functions_loader)
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external_user_defined_executable_functions_loader->enablePeriodicUpdates(false);
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if (external_models_loader)
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external_models_loader->enablePeriodicUpdates(false);
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Session::shutdownNamedSessions();
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/** After system_logs have been shut down it is guaranteed that no system table gets created or written to.
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* Note that part changes at shutdown won't be logged to part log.
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*/
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if (system_logs)
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system_logs->shutdown();
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DatabaseCatalog::shutdown();
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if (merge_mutate_executor)
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merge_mutate_executor->wait();
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if (fetch_executor)
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fetch_executor->wait();
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if (moves_executor)
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moves_executor->wait();
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if (common_executor)
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common_executor->wait();
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std::unique_ptr<SystemLogs> delete_system_logs;
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{
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auto lock = std::lock_guard(mutex);
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/** Compiled expressions stored in cache need to be destroyed before destruction of static objects.
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* Because CHJIT instance can be static object.
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*/
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#if USE_EMBEDDED_COMPILER
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if (auto * cache = CompiledExpressionCacheFactory::instance().tryGetCache())
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cache->reset();
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#endif
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/// Preemptive destruction is important, because these objects may have a refcount to ContextShared (cyclic reference).
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/// TODO: Get rid of this.
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/// Dictionaries may be required:
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/// - for storage shutdown (during final flush of the Buffer engine)
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/// - before storage startup (because of some streaming of, i.e. Kafka, to
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/// the table with materialized column that has dictGet)
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///
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/// So they should be created before any storages and preserved until storages will be terminated.
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///
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/// But they cannot be created before storages since they may required table as a source,
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/// but at least they can be preserved for storage termination.
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dictionaries_xmls.reset();
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user_defined_executable_functions_xmls.reset();
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delete_system_logs = std::move(system_logs);
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embedded_dictionaries.reset();
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external_dictionaries_loader.reset();
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external_user_defined_executable_functions_loader.reset();
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models_repository_guard.reset();
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external_models_loader.reset();
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buffer_flush_schedule_pool.reset();
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schedule_pool.reset();
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distributed_schedule_pool.reset();
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message_broker_schedule_pool.reset();
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ddl_worker.reset();
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access_control.reset();
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/// Stop trace collector if any
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trace_collector.reset();
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/// Stop zookeeper connection
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zookeeper.reset();
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}
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/// Can be removed w/o context lock
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delete_system_logs.reset();
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}
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bool hasTraceCollector() const
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{
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return trace_collector.has_value();
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}
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void initializeTraceCollector(std::shared_ptr<TraceLog> trace_log)
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{
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if (!trace_log)
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return;
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if (hasTraceCollector())
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return;
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trace_collector.emplace(std::move(trace_log));
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}
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void addWarningMessage(const String & message)
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{
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/// A warning goes both: into server's log; stored to be placed in `system.warnings` table.
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log->warning(message);
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warnings.push_back(message);
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}
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};
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Context::Context() = default;
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Context::Context(const Context &) = default;
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Context & Context::operator=(const Context &) = default;
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SharedContextHolder::SharedContextHolder(SharedContextHolder &&) noexcept = default;
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SharedContextHolder & SharedContextHolder::operator=(SharedContextHolder &&) = default;
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SharedContextHolder::SharedContextHolder() = default;
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SharedContextHolder::~SharedContextHolder() = default;
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SharedContextHolder::SharedContextHolder(std::unique_ptr<ContextSharedPart> shared_context)
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: shared(std::move(shared_context)) {}
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void SharedContextHolder::reset() { shared.reset(); }
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ContextMutablePtr Context::createGlobal(ContextSharedPart * shared)
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{
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auto res = std::shared_ptr<Context>(new Context);
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res->shared = shared;
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return res;
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}
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void Context::initGlobal()
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{
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DatabaseCatalog::init(shared_from_this());
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}
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SharedContextHolder Context::createShared()
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{
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return SharedContextHolder(std::make_unique<ContextSharedPart>());
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}
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ContextMutablePtr Context::createCopy(const ContextPtr & other)
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{
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return std::shared_ptr<Context>(new Context(*other));
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}
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ContextMutablePtr Context::createCopy(const ContextWeakPtr & other)
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{
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auto ptr = other.lock();
|
|
if (!ptr) throw Exception("Can't copy an expired context", ErrorCodes::LOGICAL_ERROR);
|
|
return createCopy(ptr);
|
|
}
|
|
|
|
ContextMutablePtr Context::createCopy(const ContextMutablePtr & other)
|
|
{
|
|
return createCopy(std::const_pointer_cast<const Context>(other));
|
|
}
|
|
|
|
Context::~Context() = default;
|
|
|
|
InterserverIOHandler & Context::getInterserverIOHandler() { return shared->interserver_io_handler; }
|
|
|
|
std::unique_lock<std::recursive_mutex> Context::getLock() const
|
|
{
|
|
ProfileEvents::increment(ProfileEvents::ContextLock);
|
|
CurrentMetrics::Increment increment{CurrentMetrics::ContextLockWait};
|
|
return std::unique_lock(shared->mutex);
|
|
}
|
|
|
|
ProcessList & Context::getProcessList() { return shared->process_list; }
|
|
const ProcessList & Context::getProcessList() const { return shared->process_list; }
|
|
MergeList & Context::getMergeList() { return shared->merge_list; }
|
|
const MergeList & Context::getMergeList() const { return shared->merge_list; }
|
|
ReplicatedFetchList & Context::getReplicatedFetchList() { return shared->replicated_fetch_list; }
|
|
const ReplicatedFetchList & Context::getReplicatedFetchList() const { return shared->replicated_fetch_list; }
|
|
|
|
String Context::resolveDatabase(const String & database_name) const
|
|
{
|
|
String res = database_name.empty() ? getCurrentDatabase() : database_name;
|
|
if (res.empty())
|
|
throw Exception("Default database is not selected", ErrorCodes::UNKNOWN_DATABASE);
|
|
return res;
|
|
}
|
|
|
|
String Context::getPath() const
|
|
{
|
|
auto lock = getLock();
|
|
return shared->path;
|
|
}
|
|
|
|
String Context::getFlagsPath() const
|
|
{
|
|
auto lock = getLock();
|
|
return shared->flags_path;
|
|
}
|
|
|
|
String Context::getUserFilesPath() const
|
|
{
|
|
auto lock = getLock();
|
|
return shared->user_files_path;
|
|
}
|
|
|
|
String Context::getDictionariesLibPath() const
|
|
{
|
|
auto lock = getLock();
|
|
return shared->dictionaries_lib_path;
|
|
}
|
|
|
|
String Context::getUserScriptsPath() const
|
|
{
|
|
auto lock = getLock();
|
|
return shared->user_scripts_path;
|
|
}
|
|
|
|
Strings Context::getWarnings() const
|
|
{
|
|
Strings common_warnings;
|
|
{
|
|
auto lock = getLock();
|
|
common_warnings = shared->warnings;
|
|
}
|
|
for (const auto & setting : settings)
|
|
{
|
|
if (setting.isValueChanged() && setting.isObsolete())
|
|
{
|
|
common_warnings.emplace_back("Some obsolete setting is changed. "
|
|
"Check 'select * from system.settings where changed' and read the changelog.");
|
|
break;
|
|
}
|
|
}
|
|
return common_warnings;
|
|
}
|
|
|
|
VolumePtr Context::getTemporaryVolume() const
|
|
{
|
|
auto lock = getLock();
|
|
return shared->tmp_volume;
|
|
}
|
|
|
|
void Context::setPath(const String & path)
|
|
{
|
|
auto lock = getLock();
|
|
|
|
shared->path = path;
|
|
|
|
if (shared->tmp_path.empty() && !shared->tmp_volume)
|
|
shared->tmp_path = shared->path + "tmp/";
|
|
|
|
if (shared->flags_path.empty())
|
|
shared->flags_path = shared->path + "flags/";
|
|
|
|
if (shared->user_files_path.empty())
|
|
shared->user_files_path = shared->path + "user_files/";
|
|
|
|
if (shared->dictionaries_lib_path.empty())
|
|
shared->dictionaries_lib_path = shared->path + "dictionaries_lib/";
|
|
|
|
if (shared->user_scripts_path.empty())
|
|
shared->user_scripts_path = shared->path + "user_scripts/";
|
|
}
|
|
|
|
VolumePtr Context::setTemporaryStorage(const String & path, const String & policy_name)
|
|
{
|
|
std::lock_guard lock(shared->storage_policies_mutex);
|
|
|
|
if (policy_name.empty())
|
|
{
|
|
shared->tmp_path = path;
|
|
if (!shared->tmp_path.ends_with('/'))
|
|
shared->tmp_path += '/';
|
|
|
|
auto disk = std::make_shared<DiskLocal>("_tmp_default", shared->tmp_path, 0);
|
|
shared->tmp_volume = std::make_shared<SingleDiskVolume>("_tmp_default", disk, 0);
|
|
}
|
|
else
|
|
{
|
|
StoragePolicyPtr tmp_policy = getStoragePolicySelector(lock)->get(policy_name);
|
|
if (tmp_policy->getVolumes().size() != 1)
|
|
throw Exception("Policy " + policy_name + " is used temporary files, such policy should have exactly one volume",
|
|
ErrorCodes::NO_ELEMENTS_IN_CONFIG);
|
|
shared->tmp_volume = tmp_policy->getVolume(0);
|
|
}
|
|
|
|
if (shared->tmp_volume->getDisks().empty())
|
|
throw Exception("No disks volume for temporary files", ErrorCodes::NO_ELEMENTS_IN_CONFIG);
|
|
|
|
return shared->tmp_volume;
|
|
}
|
|
|
|
void Context::setFlagsPath(const String & path)
|
|
{
|
|
auto lock = getLock();
|
|
shared->flags_path = path;
|
|
}
|
|
|
|
void Context::setUserFilesPath(const String & path)
|
|
{
|
|
auto lock = getLock();
|
|
shared->user_files_path = path;
|
|
}
|
|
|
|
void Context::setDictionariesLibPath(const String & path)
|
|
{
|
|
auto lock = getLock();
|
|
shared->dictionaries_lib_path = path;
|
|
}
|
|
|
|
void Context::setUserScriptsPath(const String & path)
|
|
{
|
|
auto lock = getLock();
|
|
shared->user_scripts_path = path;
|
|
}
|
|
|
|
void Context::addWarningMessage(const String & msg)
|
|
{
|
|
auto lock = getLock();
|
|
shared->addWarningMessage(msg);
|
|
}
|
|
|
|
void Context::setConfig(const ConfigurationPtr & config)
|
|
{
|
|
auto lock = getLock();
|
|
shared->config = config;
|
|
shared->access_control->setExternalAuthenticatorsConfig(*shared->config);
|
|
}
|
|
|
|
const Poco::Util::AbstractConfiguration & Context::getConfigRef() const
|
|
{
|
|
auto lock = getLock();
|
|
return shared->config ? *shared->config : Poco::Util::Application::instance().config();
|
|
}
|
|
|
|
|
|
AccessControl & Context::getAccessControl()
|
|
{
|
|
return *shared->access_control;
|
|
}
|
|
|
|
const AccessControl & Context::getAccessControl() const
|
|
{
|
|
return *shared->access_control;
|
|
}
|
|
|
|
void Context::setExternalAuthenticatorsConfig(const Poco::Util::AbstractConfiguration & config)
|
|
{
|
|
auto lock = getLock();
|
|
shared->access_control->setExternalAuthenticatorsConfig(config);
|
|
}
|
|
|
|
std::unique_ptr<GSSAcceptorContext> Context::makeGSSAcceptorContext() const
|
|
{
|
|
auto lock = getLock();
|
|
return std::make_unique<GSSAcceptorContext>(shared->access_control->getExternalAuthenticators().getKerberosParams());
|
|
}
|
|
|
|
void Context::setUsersConfig(const ConfigurationPtr & config)
|
|
{
|
|
auto lock = getLock();
|
|
shared->users_config = config;
|
|
shared->access_control->setUsersConfig(*shared->users_config);
|
|
}
|
|
|
|
ConfigurationPtr Context::getUsersConfig()
|
|
{
|
|
auto lock = getLock();
|
|
return shared->users_config;
|
|
}
|
|
|
|
void Context::setUser(const UUID & user_id_)
|
|
{
|
|
auto lock = getLock();
|
|
|
|
user_id = user_id_;
|
|
|
|
access = getAccessControl().getContextAccess(
|
|
user_id_, /* current_roles = */ {}, /* use_default_roles = */ true, settings, current_database, client_info);
|
|
|
|
auto user = access->getUser();
|
|
current_roles = std::make_shared<std::vector<UUID>>(user->granted_roles.findGranted(user->default_roles));
|
|
|
|
auto default_profile_info = access->getDefaultProfileInfo();
|
|
settings_constraints_and_current_profiles = default_profile_info->getConstraintsAndProfileIDs();
|
|
applySettingsChanges(default_profile_info->settings);
|
|
|
|
if (!user->default_database.empty())
|
|
setCurrentDatabase(user->default_database);
|
|
}
|
|
|
|
std::shared_ptr<const User> Context::getUser() const
|
|
{
|
|
return getAccess()->getUser();
|
|
}
|
|
|
|
String Context::getUserName() const
|
|
{
|
|
return getAccess()->getUserName();
|
|
}
|
|
|
|
std::optional<UUID> Context::getUserID() const
|
|
{
|
|
auto lock = getLock();
|
|
return user_id;
|
|
}
|
|
|
|
|
|
void Context::setQuotaKey(String quota_key_)
|
|
{
|
|
auto lock = getLock();
|
|
client_info.quota_key = std::move(quota_key_);
|
|
}
|
|
|
|
|
|
void Context::setCurrentRoles(const std::vector<UUID> & current_roles_)
|
|
{
|
|
auto lock = getLock();
|
|
if (current_roles ? (*current_roles == current_roles_) : current_roles_.empty())
|
|
return;
|
|
current_roles = std::make_shared<std::vector<UUID>>(current_roles_);
|
|
calculateAccessRights();
|
|
}
|
|
|
|
void Context::setCurrentRolesDefault()
|
|
{
|
|
auto user = getUser();
|
|
setCurrentRoles(user->granted_roles.findGranted(user->default_roles));
|
|
}
|
|
|
|
boost::container::flat_set<UUID> Context::getCurrentRoles() const
|
|
{
|
|
return getRolesInfo()->current_roles;
|
|
}
|
|
|
|
boost::container::flat_set<UUID> Context::getEnabledRoles() const
|
|
{
|
|
return getRolesInfo()->enabled_roles;
|
|
}
|
|
|
|
std::shared_ptr<const EnabledRolesInfo> Context::getRolesInfo() const
|
|
{
|
|
return getAccess()->getRolesInfo();
|
|
}
|
|
|
|
|
|
void Context::calculateAccessRights()
|
|
{
|
|
auto lock = getLock();
|
|
if (user_id)
|
|
access = getAccessControl().getContextAccess(
|
|
*user_id,
|
|
current_roles ? *current_roles : std::vector<UUID>{},
|
|
/* use_default_roles = */ false,
|
|
settings,
|
|
current_database,
|
|
client_info);
|
|
}
|
|
|
|
|
|
template <typename... Args>
|
|
void Context::checkAccessImpl(const Args &... args) const
|
|
{
|
|
return getAccess()->checkAccess(args...);
|
|
}
|
|
|
|
void Context::checkAccess(const AccessFlags & flags) const { return checkAccessImpl(flags); }
|
|
void Context::checkAccess(const AccessFlags & flags, const std::string_view & database) const { return checkAccessImpl(flags, database); }
|
|
void Context::checkAccess(const AccessFlags & flags, const std::string_view & database, const std::string_view & table) const { return checkAccessImpl(flags, database, table); }
|
|
void Context::checkAccess(const AccessFlags & flags, const std::string_view & database, const std::string_view & table, const std::string_view & column) const { return checkAccessImpl(flags, database, table, column); }
|
|
void Context::checkAccess(const AccessFlags & flags, const std::string_view & database, const std::string_view & table, const std::vector<std::string_view> & columns) const { return checkAccessImpl(flags, database, table, columns); }
|
|
void Context::checkAccess(const AccessFlags & flags, const std::string_view & database, const std::string_view & table, const Strings & columns) const { return checkAccessImpl(flags, database, table, columns); }
|
|
void Context::checkAccess(const AccessFlags & flags, const StorageID & table_id) const { checkAccessImpl(flags, table_id.getDatabaseName(), table_id.getTableName()); }
|
|
void Context::checkAccess(const AccessFlags & flags, const StorageID & table_id, const std::string_view & column) const { checkAccessImpl(flags, table_id.getDatabaseName(), table_id.getTableName(), column); }
|
|
void Context::checkAccess(const AccessFlags & flags, const StorageID & table_id, const std::vector<std::string_view> & columns) const { checkAccessImpl(flags, table_id.getDatabaseName(), table_id.getTableName(), columns); }
|
|
void Context::checkAccess(const AccessFlags & flags, const StorageID & table_id, const Strings & columns) const { checkAccessImpl(flags, table_id.getDatabaseName(), table_id.getTableName(), columns); }
|
|
void Context::checkAccess(const AccessRightsElement & element) const { return checkAccessImpl(element); }
|
|
void Context::checkAccess(const AccessRightsElements & elements) const { return checkAccessImpl(elements); }
|
|
|
|
|
|
std::shared_ptr<const ContextAccess> Context::getAccess() const
|
|
{
|
|
auto lock = getLock();
|
|
return access ? access : ContextAccess::getFullAccess();
|
|
}
|
|
|
|
ASTPtr Context::getRowPolicyFilter(const String & database, const String & table_name, RowPolicyFilterType filter_type) const
|
|
{
|
|
auto lock = getLock();
|
|
auto row_filter_of_initial_user = row_policies_of_initial_user ? row_policies_of_initial_user->getFilter(database, table_name, filter_type) : nullptr;
|
|
return getAccess()->getRowPolicyFilter(database, table_name, filter_type, row_filter_of_initial_user);
|
|
}
|
|
|
|
void Context::enableRowPoliciesOfInitialUser()
|
|
{
|
|
auto lock = getLock();
|
|
row_policies_of_initial_user = nullptr;
|
|
if (client_info.initial_user == client_info.current_user)
|
|
return;
|
|
auto initial_user_id = getAccessControl().find<User>(client_info.initial_user);
|
|
if (!initial_user_id)
|
|
return;
|
|
row_policies_of_initial_user = getAccessControl().tryGetDefaultRowPolicies(*initial_user_id);
|
|
}
|
|
|
|
|
|
std::shared_ptr<const EnabledQuota> Context::getQuota() const
|
|
{
|
|
return getAccess()->getQuota();
|
|
}
|
|
|
|
|
|
std::optional<QuotaUsage> Context::getQuotaUsage() const
|
|
{
|
|
return getAccess()->getQuotaUsage();
|
|
}
|
|
|
|
|
|
void Context::setCurrentProfile(const String & profile_name)
|
|
{
|
|
auto lock = getLock();
|
|
try
|
|
{
|
|
UUID profile_id = getAccessControl().getID<SettingsProfile>(profile_name);
|
|
setCurrentProfile(profile_id);
|
|
}
|
|
catch (Exception & e)
|
|
{
|
|
e.addMessage(", while trying to set settings profile {}", profile_name);
|
|
throw;
|
|
}
|
|
}
|
|
|
|
void Context::setCurrentProfile(const UUID & profile_id)
|
|
{
|
|
auto lock = getLock();
|
|
auto profile_info = getAccessControl().getSettingsProfileInfo(profile_id);
|
|
checkSettingsConstraints(profile_info->settings);
|
|
applySettingsChanges(profile_info->settings);
|
|
settings_constraints_and_current_profiles = profile_info->getConstraintsAndProfileIDs(settings_constraints_and_current_profiles);
|
|
}
|
|
|
|
|
|
std::vector<UUID> Context::getCurrentProfiles() const
|
|
{
|
|
auto lock = getLock();
|
|
return settings_constraints_and_current_profiles->current_profiles;
|
|
}
|
|
|
|
std::vector<UUID> Context::getEnabledProfiles() const
|
|
{
|
|
auto lock = getLock();
|
|
return settings_constraints_and_current_profiles->enabled_profiles;
|
|
}
|
|
|
|
|
|
const Scalars & Context::getScalars() const
|
|
{
|
|
return scalars;
|
|
}
|
|
|
|
|
|
const Block & Context::getScalar(const String & name) const
|
|
{
|
|
auto it = scalars.find(name);
|
|
if (scalars.end() == it)
|
|
{
|
|
// This should be a logical error, but it fails the sql_fuzz test too
|
|
// often, so 'bad arguments' for now.
|
|
throw Exception("Scalar " + backQuoteIfNeed(name) + " doesn't exist (internal bug)", ErrorCodes::BAD_ARGUMENTS);
|
|
}
|
|
return it->second;
|
|
}
|
|
|
|
const Block * Context::tryGetLocalScalar(const String & name) const
|
|
{
|
|
auto it = local_scalars.find(name);
|
|
if (local_scalars.end() == it)
|
|
return nullptr;
|
|
return &it->second;
|
|
}
|
|
|
|
Tables Context::getExternalTables() const
|
|
{
|
|
if (isGlobalContext())
|
|
throw Exception(ErrorCodes::LOGICAL_ERROR, "Global context cannot have external tables");
|
|
|
|
auto lock = getLock();
|
|
|
|
Tables res;
|
|
for (const auto & table : external_tables_mapping)
|
|
res[table.first] = table.second->getTable();
|
|
|
|
auto query_context_ptr = query_context.lock();
|
|
auto session_context_ptr = session_context.lock();
|
|
if (query_context_ptr && query_context_ptr.get() != this)
|
|
{
|
|
Tables buf = query_context_ptr->getExternalTables();
|
|
res.insert(buf.begin(), buf.end());
|
|
}
|
|
else if (session_context_ptr && session_context_ptr.get() != this)
|
|
{
|
|
Tables buf = session_context_ptr->getExternalTables();
|
|
res.insert(buf.begin(), buf.end());
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
void Context::addExternalTable(const String & table_name, TemporaryTableHolder && temporary_table)
|
|
{
|
|
if (isGlobalContext())
|
|
throw Exception(ErrorCodes::LOGICAL_ERROR, "Global context cannot have external tables");
|
|
|
|
auto lock = getLock();
|
|
if (external_tables_mapping.end() != external_tables_mapping.find(table_name))
|
|
throw Exception("Temporary table " + backQuoteIfNeed(table_name) + " already exists.", ErrorCodes::TABLE_ALREADY_EXISTS);
|
|
external_tables_mapping.emplace(table_name, std::make_shared<TemporaryTableHolder>(std::move(temporary_table)));
|
|
}
|
|
|
|
|
|
std::shared_ptr<TemporaryTableHolder> Context::removeExternalTable(const String & table_name)
|
|
{
|
|
if (isGlobalContext())
|
|
throw Exception(ErrorCodes::LOGICAL_ERROR, "Global context cannot have external tables");
|
|
|
|
std::shared_ptr<TemporaryTableHolder> holder;
|
|
{
|
|
auto lock = getLock();
|
|
auto iter = external_tables_mapping.find(table_name);
|
|
if (iter == external_tables_mapping.end())
|
|
return {};
|
|
holder = iter->second;
|
|
external_tables_mapping.erase(iter);
|
|
}
|
|
return holder;
|
|
}
|
|
|
|
|
|
void Context::addScalar(const String & name, const Block & block)
|
|
{
|
|
if (isGlobalContext())
|
|
throw Exception(ErrorCodes::LOGICAL_ERROR, "Global context cannot have scalars");
|
|
|
|
scalars[name] = block;
|
|
}
|
|
|
|
|
|
void Context::addLocalScalar(const String & name, const Block & block)
|
|
{
|
|
if (isGlobalContext())
|
|
throw Exception(ErrorCodes::LOGICAL_ERROR, "Global context cannot have local scalars");
|
|
|
|
local_scalars[name] = block;
|
|
}
|
|
|
|
|
|
bool Context::hasScalar(const String & name) const
|
|
{
|
|
if (isGlobalContext())
|
|
throw Exception(ErrorCodes::LOGICAL_ERROR, "Global context cannot have scalars");
|
|
|
|
return scalars.count(name);
|
|
}
|
|
|
|
|
|
void Context::addQueryAccessInfo(
|
|
const String & quoted_database_name,
|
|
const String & full_quoted_table_name,
|
|
const Names & column_names,
|
|
const String & projection_name,
|
|
const String & view_name)
|
|
{
|
|
if (isGlobalContext())
|
|
throw Exception(ErrorCodes::LOGICAL_ERROR, "Global context cannot have query access info");
|
|
|
|
std::lock_guard<std::mutex> lock(query_access_info.mutex);
|
|
query_access_info.databases.emplace(quoted_database_name);
|
|
query_access_info.tables.emplace(full_quoted_table_name);
|
|
for (const auto & column_name : column_names)
|
|
query_access_info.columns.emplace(full_quoted_table_name + "." + backQuoteIfNeed(column_name));
|
|
if (!projection_name.empty())
|
|
query_access_info.projections.emplace(full_quoted_table_name + "." + backQuoteIfNeed(projection_name));
|
|
if (!view_name.empty())
|
|
query_access_info.views.emplace(view_name);
|
|
}
|
|
|
|
void Context::addQueryFactoriesInfo(QueryLogFactories factory_type, const String & created_object) const
|
|
{
|
|
if (isGlobalContext())
|
|
throw Exception(ErrorCodes::LOGICAL_ERROR, "Global context cannot have query factories info");
|
|
|
|
auto lock = getLock();
|
|
|
|
switch (factory_type)
|
|
{
|
|
case QueryLogFactories::AggregateFunction:
|
|
query_factories_info.aggregate_functions.emplace(created_object);
|
|
break;
|
|
case QueryLogFactories::AggregateFunctionCombinator:
|
|
query_factories_info.aggregate_function_combinators.emplace(created_object);
|
|
break;
|
|
case QueryLogFactories::Database:
|
|
query_factories_info.database_engines.emplace(created_object);
|
|
break;
|
|
case QueryLogFactories::DataType:
|
|
query_factories_info.data_type_families.emplace(created_object);
|
|
break;
|
|
case QueryLogFactories::Dictionary:
|
|
query_factories_info.dictionaries.emplace(created_object);
|
|
break;
|
|
case QueryLogFactories::Format:
|
|
query_factories_info.formats.emplace(created_object);
|
|
break;
|
|
case QueryLogFactories::Function:
|
|
query_factories_info.functions.emplace(created_object);
|
|
break;
|
|
case QueryLogFactories::Storage:
|
|
query_factories_info.storages.emplace(created_object);
|
|
break;
|
|
case QueryLogFactories::TableFunction:
|
|
query_factories_info.table_functions.emplace(created_object);
|
|
}
|
|
}
|
|
|
|
|
|
StoragePtr Context::executeTableFunction(const ASTPtr & table_expression)
|
|
{
|
|
auto hash = table_expression->getTreeHash();
|
|
String key = toString(hash.first) + '_' + toString(hash.second);
|
|
|
|
StoragePtr & res = table_function_results[key];
|
|
|
|
if (!res)
|
|
{
|
|
TableFunctionPtr table_function_ptr = TableFunctionFactory::instance().get(table_expression, shared_from_this());
|
|
res = table_function_ptr->execute(table_expression, shared_from_this(), table_function_ptr->getName());
|
|
|
|
/// Since ITableFunction::parseArguments() may change table_expression, i.e.:
|
|
///
|
|
/// remote('127.1', system.one) -> remote('127.1', 'system.one'),
|
|
///
|
|
auto new_hash = table_expression->getTreeHash();
|
|
if (hash != new_hash)
|
|
{
|
|
key = toString(new_hash.first) + '_' + toString(new_hash.second);
|
|
table_function_results[key] = res;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
void Context::addViewSource(const StoragePtr & storage)
|
|
{
|
|
if (view_source)
|
|
throw Exception(
|
|
"Temporary view source storage " + backQuoteIfNeed(view_source->getName()) + " already exists.", ErrorCodes::TABLE_ALREADY_EXISTS);
|
|
view_source = storage;
|
|
}
|
|
|
|
|
|
StoragePtr Context::getViewSource() const
|
|
{
|
|
return view_source;
|
|
}
|
|
|
|
Settings Context::getSettings() const
|
|
{
|
|
auto lock = getLock();
|
|
return settings;
|
|
}
|
|
|
|
|
|
void Context::setSettings(const Settings & settings_)
|
|
{
|
|
auto lock = getLock();
|
|
auto old_readonly = settings.readonly;
|
|
auto old_allow_ddl = settings.allow_ddl;
|
|
auto old_allow_introspection_functions = settings.allow_introspection_functions;
|
|
|
|
settings = settings_;
|
|
|
|
if ((settings.readonly != old_readonly) || (settings.allow_ddl != old_allow_ddl) || (settings.allow_introspection_functions != old_allow_introspection_functions))
|
|
calculateAccessRights();
|
|
}
|
|
|
|
|
|
void Context::setSetting(const StringRef & name, const String & value)
|
|
{
|
|
auto lock = getLock();
|
|
if (name == "profile")
|
|
{
|
|
setCurrentProfile(value);
|
|
return;
|
|
}
|
|
settings.set(std::string_view{name}, value);
|
|
|
|
if (name == "readonly" || name == "allow_ddl" || name == "allow_introspection_functions")
|
|
calculateAccessRights();
|
|
}
|
|
|
|
|
|
void Context::setSetting(const StringRef & name, const Field & value)
|
|
{
|
|
auto lock = getLock();
|
|
if (name == "profile")
|
|
{
|
|
setCurrentProfile(value.safeGet<String>());
|
|
return;
|
|
}
|
|
settings.set(std::string_view{name}, value);
|
|
|
|
if (name == "readonly" || name == "allow_ddl" || name == "allow_introspection_functions")
|
|
calculateAccessRights();
|
|
}
|
|
|
|
|
|
void Context::applySettingChange(const SettingChange & change)
|
|
{
|
|
try
|
|
{
|
|
setSetting(change.name, change.value);
|
|
}
|
|
catch (Exception & e)
|
|
{
|
|
e.addMessage(fmt::format("in attempt to set the value of setting '{}' to {}",
|
|
change.name, applyVisitor(FieldVisitorToString(), change.value)));
|
|
throw;
|
|
}
|
|
}
|
|
|
|
|
|
void Context::applySettingsChanges(const SettingsChanges & changes)
|
|
{
|
|
auto lock = getLock();
|
|
for (const SettingChange & change : changes)
|
|
applySettingChange(change);
|
|
applySettingsQuirks(settings);
|
|
}
|
|
|
|
|
|
void Context::checkSettingsConstraints(const SettingChange & change) const
|
|
{
|
|
getSettingsConstraintsAndCurrentProfiles()->constraints.check(settings, change);
|
|
}
|
|
|
|
void Context::checkSettingsConstraints(const SettingsChanges & changes) const
|
|
{
|
|
getSettingsConstraintsAndCurrentProfiles()->constraints.check(settings, changes);
|
|
}
|
|
|
|
void Context::checkSettingsConstraints(SettingsChanges & changes) const
|
|
{
|
|
getSettingsConstraintsAndCurrentProfiles()->constraints.check(settings, changes);
|
|
}
|
|
|
|
void Context::clampToSettingsConstraints(SettingsChanges & changes) const
|
|
{
|
|
getSettingsConstraintsAndCurrentProfiles()->constraints.clamp(settings, changes);
|
|
}
|
|
|
|
std::shared_ptr<const SettingsConstraintsAndProfileIDs> Context::getSettingsConstraintsAndCurrentProfiles() const
|
|
{
|
|
auto lock = getLock();
|
|
if (settings_constraints_and_current_profiles)
|
|
return settings_constraints_and_current_profiles;
|
|
static auto no_constraints_or_profiles = std::make_shared<SettingsConstraintsAndProfileIDs>(getAccessControl());
|
|
return no_constraints_or_profiles;
|
|
}
|
|
|
|
|
|
String Context::getCurrentDatabase() const
|
|
{
|
|
auto lock = getLock();
|
|
return current_database;
|
|
}
|
|
|
|
|
|
String Context::getInitialQueryId() const
|
|
{
|
|
return client_info.initial_query_id;
|
|
}
|
|
|
|
|
|
void Context::setCurrentDatabaseNameInGlobalContext(const String & name)
|
|
{
|
|
if (!isGlobalContext())
|
|
throw Exception("Cannot set current database for non global context, this method should be used during server initialization",
|
|
ErrorCodes::LOGICAL_ERROR);
|
|
auto lock = getLock();
|
|
|
|
if (!current_database.empty())
|
|
throw Exception("Default database name cannot be changed in global context without server restart",
|
|
ErrorCodes::LOGICAL_ERROR);
|
|
|
|
current_database = name;
|
|
}
|
|
|
|
void Context::setCurrentDatabase(const String & name)
|
|
{
|
|
DatabaseCatalog::instance().assertDatabaseExists(name);
|
|
auto lock = getLock();
|
|
current_database = name;
|
|
calculateAccessRights();
|
|
}
|
|
|
|
void Context::setCurrentQueryId(const String & query_id)
|
|
{
|
|
/// Generate random UUID, but using lower quality RNG,
|
|
/// because Poco::UUIDGenerator::generateRandom method is using /dev/random, that is very expensive.
|
|
/// NOTE: Actually we don't need to use UUIDs for query identifiers.
|
|
/// We could use any suitable string instead.
|
|
union
|
|
{
|
|
char bytes[16];
|
|
struct
|
|
{
|
|
UInt64 a;
|
|
UInt64 b;
|
|
} words;
|
|
UUID uuid{};
|
|
} random;
|
|
|
|
random.words.a = thread_local_rng(); //-V656
|
|
random.words.b = thread_local_rng(); //-V656
|
|
|
|
if (client_info.client_trace_context.trace_id != UUID())
|
|
{
|
|
// Use the OpenTelemetry trace context we received from the client, and
|
|
// create a new span for the query.
|
|
query_trace_context = client_info.client_trace_context;
|
|
query_trace_context.span_id = thread_local_rng();
|
|
}
|
|
else if (client_info.query_kind == ClientInfo::QueryKind::INITIAL_QUERY)
|
|
{
|
|
// If this is an initial query without any parent OpenTelemetry trace, we
|
|
// might start the trace ourselves, with some configurable probability.
|
|
std::bernoulli_distribution should_start_trace{
|
|
settings.opentelemetry_start_trace_probability};
|
|
|
|
if (should_start_trace(thread_local_rng))
|
|
{
|
|
// Use the randomly generated default query id as the new trace id.
|
|
query_trace_context.trace_id = random.uuid;
|
|
query_trace_context.span_id = thread_local_rng();
|
|
// Mark this trace as sampled in the flags.
|
|
query_trace_context.trace_flags = 1;
|
|
}
|
|
}
|
|
|
|
String query_id_to_set = query_id;
|
|
if (query_id_to_set.empty()) /// If the user did not submit his query_id, then we generate it ourselves.
|
|
{
|
|
/// Use protected constructor.
|
|
struct QueryUUID : Poco::UUID
|
|
{
|
|
QueryUUID(const char * bytes, Poco::UUID::Version version)
|
|
: Poco::UUID(bytes, version) {}
|
|
};
|
|
|
|
query_id_to_set = QueryUUID(random.bytes, Poco::UUID::UUID_RANDOM).toString();
|
|
}
|
|
|
|
client_info.current_query_id = query_id_to_set;
|
|
|
|
if (client_info.query_kind == ClientInfo::QueryKind::INITIAL_QUERY)
|
|
client_info.initial_query_id = client_info.current_query_id;
|
|
}
|
|
|
|
void Context::killCurrentQuery()
|
|
{
|
|
if (process_list_elem)
|
|
{
|
|
process_list_elem->cancelQuery(true);
|
|
}
|
|
};
|
|
|
|
String Context::getDefaultFormat() const
|
|
{
|
|
return default_format.empty() ? "TabSeparated" : default_format;
|
|
}
|
|
|
|
|
|
void Context::setDefaultFormat(const String & name)
|
|
{
|
|
default_format = name;
|
|
}
|
|
|
|
MultiVersion<Macros>::Version Context::getMacros() const
|
|
{
|
|
return shared->macros.get();
|
|
}
|
|
|
|
void Context::setMacros(std::unique_ptr<Macros> && macros)
|
|
{
|
|
shared->macros.set(std::move(macros));
|
|
}
|
|
|
|
ContextMutablePtr Context::getQueryContext() const
|
|
{
|
|
auto ptr = query_context.lock();
|
|
if (!ptr) throw Exception("There is no query or query context has expired", ErrorCodes::THERE_IS_NO_QUERY);
|
|
return ptr;
|
|
}
|
|
|
|
bool Context::isInternalSubquery() const
|
|
{
|
|
auto ptr = query_context.lock();
|
|
return ptr && ptr.get() != this;
|
|
}
|
|
|
|
ContextMutablePtr Context::getSessionContext() const
|
|
{
|
|
auto ptr = session_context.lock();
|
|
if (!ptr) throw Exception("There is no session or session context has expired", ErrorCodes::THERE_IS_NO_SESSION);
|
|
return ptr;
|
|
}
|
|
|
|
ContextMutablePtr Context::getGlobalContext() const
|
|
{
|
|
auto ptr = global_context.lock();
|
|
if (!ptr) throw Exception("There is no global context or global context has expired", ErrorCodes::LOGICAL_ERROR);
|
|
return ptr;
|
|
}
|
|
|
|
ContextMutablePtr Context::getBufferContext() const
|
|
{
|
|
if (!buffer_context) throw Exception("There is no buffer context", ErrorCodes::LOGICAL_ERROR);
|
|
return buffer_context;
|
|
}
|
|
|
|
|
|
const EmbeddedDictionaries & Context::getEmbeddedDictionaries() const
|
|
{
|
|
return getEmbeddedDictionariesImpl(false);
|
|
}
|
|
|
|
EmbeddedDictionaries & Context::getEmbeddedDictionaries()
|
|
{
|
|
return getEmbeddedDictionariesImpl(false);
|
|
}
|
|
|
|
|
|
const ExternalDictionariesLoader & Context::getExternalDictionariesLoader() const
|
|
{
|
|
return const_cast<Context *>(this)->getExternalDictionariesLoader();
|
|
}
|
|
|
|
ExternalDictionariesLoader & Context::getExternalDictionariesLoader()
|
|
{
|
|
std::lock_guard lock(shared->external_dictionaries_mutex);
|
|
return getExternalDictionariesLoaderUnlocked();
|
|
}
|
|
|
|
ExternalDictionariesLoader & Context::getExternalDictionariesLoaderUnlocked()
|
|
{
|
|
if (!shared->external_dictionaries_loader)
|
|
shared->external_dictionaries_loader.emplace(getGlobalContext());
|
|
return *shared->external_dictionaries_loader;
|
|
}
|
|
|
|
const ExternalUserDefinedExecutableFunctionsLoader & Context::getExternalUserDefinedExecutableFunctionsLoader() const
|
|
{
|
|
return const_cast<Context *>(this)->getExternalUserDefinedExecutableFunctionsLoader();
|
|
}
|
|
|
|
ExternalUserDefinedExecutableFunctionsLoader & Context::getExternalUserDefinedExecutableFunctionsLoader()
|
|
{
|
|
std::lock_guard lock(shared->external_user_defined_executable_functions_mutex);
|
|
return getExternalUserDefinedExecutableFunctionsLoaderUnlocked();
|
|
}
|
|
|
|
ExternalUserDefinedExecutableFunctionsLoader & Context::getExternalUserDefinedExecutableFunctionsLoaderUnlocked()
|
|
{
|
|
if (!shared->external_user_defined_executable_functions_loader)
|
|
shared->external_user_defined_executable_functions_loader.emplace(getGlobalContext());
|
|
return *shared->external_user_defined_executable_functions_loader;
|
|
}
|
|
|
|
const ExternalModelsLoader & Context::getExternalModelsLoader() const
|
|
{
|
|
return const_cast<Context *>(this)->getExternalModelsLoader();
|
|
}
|
|
|
|
ExternalModelsLoader & Context::getExternalModelsLoader()
|
|
{
|
|
std::lock_guard lock(shared->external_models_mutex);
|
|
return getExternalModelsLoaderUnlocked();
|
|
}
|
|
|
|
ExternalModelsLoader & Context::getExternalModelsLoaderUnlocked()
|
|
{
|
|
if (!shared->external_models_loader)
|
|
shared->external_models_loader.emplace(getGlobalContext());
|
|
return *shared->external_models_loader;
|
|
}
|
|
|
|
void Context::loadOrReloadModels(const Poco::Util::AbstractConfiguration & config)
|
|
{
|
|
auto patterns_values = getMultipleValuesFromConfig(config, "", "models_config");
|
|
std::unordered_set<std::string> patterns(patterns_values.begin(), patterns_values.end());
|
|
|
|
std::lock_guard lock(shared->external_models_mutex);
|
|
|
|
auto & external_models_loader = getExternalModelsLoaderUnlocked();
|
|
|
|
if (shared->external_models_config_repository)
|
|
{
|
|
shared->external_models_config_repository->updatePatterns(patterns);
|
|
external_models_loader.reloadConfig(shared->external_models_config_repository->getName());
|
|
return;
|
|
}
|
|
|
|
auto app_path = getPath();
|
|
auto config_path = getConfigRef().getString("config-file", "config.xml");
|
|
auto repository = std::make_unique<ExternalLoaderXMLConfigRepository>(app_path, config_path, patterns);
|
|
shared->external_models_config_repository = repository.get();
|
|
shared->models_repository_guard = external_models_loader.addConfigRepository(std::move(repository));
|
|
}
|
|
|
|
EmbeddedDictionaries & Context::getEmbeddedDictionariesImpl(const bool throw_on_error) const
|
|
{
|
|
std::lock_guard lock(shared->embedded_dictionaries_mutex);
|
|
|
|
if (!shared->embedded_dictionaries)
|
|
{
|
|
auto geo_dictionaries_loader = std::make_unique<GeoDictionariesLoader>();
|
|
|
|
shared->embedded_dictionaries.emplace(
|
|
std::move(geo_dictionaries_loader),
|
|
getGlobalContext(),
|
|
throw_on_error);
|
|
}
|
|
|
|
return *shared->embedded_dictionaries;
|
|
}
|
|
|
|
|
|
void Context::tryCreateEmbeddedDictionaries(const Poco::Util::AbstractConfiguration & config) const
|
|
{
|
|
if (!config.getBool("dictionaries_lazy_load", true))
|
|
static_cast<void>(getEmbeddedDictionariesImpl(true));
|
|
}
|
|
|
|
void Context::loadOrReloadDictionaries(const Poco::Util::AbstractConfiguration & config)
|
|
{
|
|
bool dictionaries_lazy_load = config.getBool("dictionaries_lazy_load", true);
|
|
auto patterns_values = getMultipleValuesFromConfig(config, "", "dictionaries_config");
|
|
std::unordered_set<std::string> patterns(patterns_values.begin(), patterns_values.end());
|
|
|
|
std::lock_guard lock(shared->external_dictionaries_mutex);
|
|
|
|
auto & external_dictionaries_loader = getExternalDictionariesLoaderUnlocked();
|
|
external_dictionaries_loader.enableAlwaysLoadEverything(!dictionaries_lazy_load);
|
|
|
|
if (shared->external_dictionaries_config_repository)
|
|
{
|
|
shared->external_dictionaries_config_repository->updatePatterns(patterns);
|
|
external_dictionaries_loader.reloadConfig(shared->external_dictionaries_config_repository->getName());
|
|
return;
|
|
}
|
|
|
|
auto app_path = getPath();
|
|
auto config_path = getConfigRef().getString("config-file", "config.xml");
|
|
auto repository = std::make_unique<ExternalLoaderXMLConfigRepository>(app_path, config_path, patterns);
|
|
shared->external_dictionaries_config_repository = repository.get();
|
|
shared->dictionaries_xmls = external_dictionaries_loader.addConfigRepository(std::move(repository));
|
|
}
|
|
|
|
void Context::loadOrReloadUserDefinedExecutableFunctions(const Poco::Util::AbstractConfiguration & config)
|
|
{
|
|
auto patterns_values = getMultipleValuesFromConfig(config, "", "user_defined_executable_functions_config");
|
|
std::unordered_set<std::string> patterns(patterns_values.begin(), patterns_values.end());
|
|
|
|
std::lock_guard lock(shared->external_user_defined_executable_functions_mutex);
|
|
|
|
auto & external_user_defined_executable_functions_loader = getExternalUserDefinedExecutableFunctionsLoaderUnlocked();
|
|
|
|
if (shared->user_defined_executable_functions_config_repository)
|
|
{
|
|
shared->user_defined_executable_functions_config_repository->updatePatterns(patterns);
|
|
external_user_defined_executable_functions_loader.reloadConfig(shared->user_defined_executable_functions_config_repository->getName());
|
|
return;
|
|
}
|
|
|
|
auto app_path = getPath();
|
|
auto config_path = getConfigRef().getString("config-file", "config.xml");
|
|
auto repository = std::make_unique<ExternalLoaderXMLConfigRepository>(app_path, config_path, patterns);
|
|
shared->user_defined_executable_functions_config_repository = repository.get();
|
|
shared->user_defined_executable_functions_xmls = external_user_defined_executable_functions_loader.addConfigRepository(std::move(repository));
|
|
}
|
|
|
|
#if USE_NLP
|
|
|
|
SynonymsExtensions & Context::getSynonymsExtensions() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->synonyms_extensions)
|
|
shared->synonyms_extensions.emplace(getConfigRef());
|
|
|
|
return *shared->synonyms_extensions;
|
|
}
|
|
|
|
Lemmatizers & Context::getLemmatizers() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->lemmatizers)
|
|
shared->lemmatizers.emplace(getConfigRef());
|
|
|
|
return *shared->lemmatizers;
|
|
}
|
|
#endif
|
|
|
|
void Context::setProgressCallback(ProgressCallback callback)
|
|
{
|
|
/// Callback is set to a session or to a query. In the session, only one query is processed at a time. Therefore, the lock is not needed.
|
|
progress_callback = callback;
|
|
}
|
|
|
|
ProgressCallback Context::getProgressCallback() const
|
|
{
|
|
return progress_callback;
|
|
}
|
|
|
|
|
|
void Context::setProcessListElement(ProcessList::Element * elem)
|
|
{
|
|
/// Set to a session or query. In the session, only one query is processed at a time. Therefore, the lock is not needed.
|
|
process_list_elem = elem;
|
|
}
|
|
|
|
ProcessList::Element * Context::getProcessListElement() const
|
|
{
|
|
return process_list_elem;
|
|
}
|
|
|
|
|
|
void Context::setUncompressedCache(size_t max_size_in_bytes)
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (shared->uncompressed_cache)
|
|
throw Exception("Uncompressed cache has been already created.", ErrorCodes::LOGICAL_ERROR);
|
|
|
|
shared->uncompressed_cache = std::make_shared<UncompressedCache>(max_size_in_bytes);
|
|
}
|
|
|
|
|
|
UncompressedCachePtr Context::getUncompressedCache() const
|
|
{
|
|
auto lock = getLock();
|
|
return shared->uncompressed_cache;
|
|
}
|
|
|
|
|
|
void Context::dropUncompressedCache() const
|
|
{
|
|
auto lock = getLock();
|
|
if (shared->uncompressed_cache)
|
|
shared->uncompressed_cache->reset();
|
|
}
|
|
|
|
|
|
void Context::setMarkCache(size_t cache_size_in_bytes)
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (shared->mark_cache)
|
|
throw Exception("Mark cache has been already created.", ErrorCodes::LOGICAL_ERROR);
|
|
|
|
shared->mark_cache = std::make_shared<MarkCache>(cache_size_in_bytes);
|
|
}
|
|
|
|
MarkCachePtr Context::getMarkCache() const
|
|
{
|
|
auto lock = getLock();
|
|
return shared->mark_cache;
|
|
}
|
|
|
|
void Context::dropMarkCache() const
|
|
{
|
|
auto lock = getLock();
|
|
if (shared->mark_cache)
|
|
shared->mark_cache->reset();
|
|
}
|
|
|
|
|
|
void Context::setIndexUncompressedCache(size_t max_size_in_bytes)
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (shared->index_uncompressed_cache)
|
|
throw Exception("Index uncompressed cache has been already created.", ErrorCodes::LOGICAL_ERROR);
|
|
|
|
shared->index_uncompressed_cache = std::make_shared<UncompressedCache>(max_size_in_bytes);
|
|
}
|
|
|
|
|
|
UncompressedCachePtr Context::getIndexUncompressedCache() const
|
|
{
|
|
auto lock = getLock();
|
|
return shared->index_uncompressed_cache;
|
|
}
|
|
|
|
|
|
void Context::dropIndexUncompressedCache() const
|
|
{
|
|
auto lock = getLock();
|
|
if (shared->index_uncompressed_cache)
|
|
shared->index_uncompressed_cache->reset();
|
|
}
|
|
|
|
|
|
void Context::setIndexMarkCache(size_t cache_size_in_bytes)
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (shared->index_mark_cache)
|
|
throw Exception("Index mark cache has been already created.", ErrorCodes::LOGICAL_ERROR);
|
|
|
|
shared->index_mark_cache = std::make_shared<MarkCache>(cache_size_in_bytes);
|
|
}
|
|
|
|
MarkCachePtr Context::getIndexMarkCache() const
|
|
{
|
|
auto lock = getLock();
|
|
return shared->index_mark_cache;
|
|
}
|
|
|
|
void Context::dropIndexMarkCache() const
|
|
{
|
|
auto lock = getLock();
|
|
if (shared->index_mark_cache)
|
|
shared->index_mark_cache->reset();
|
|
}
|
|
|
|
|
|
void Context::setMMappedFileCache(size_t cache_size_in_num_entries)
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (shared->mmap_cache)
|
|
throw Exception("Mapped file cache has been already created.", ErrorCodes::LOGICAL_ERROR);
|
|
|
|
shared->mmap_cache = std::make_shared<MMappedFileCache>(cache_size_in_num_entries);
|
|
}
|
|
|
|
MMappedFileCachePtr Context::getMMappedFileCache() const
|
|
{
|
|
auto lock = getLock();
|
|
return shared->mmap_cache;
|
|
}
|
|
|
|
void Context::dropMMappedFileCache() const
|
|
{
|
|
auto lock = getLock();
|
|
if (shared->mmap_cache)
|
|
shared->mmap_cache->reset();
|
|
}
|
|
|
|
|
|
void Context::dropCaches() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (shared->uncompressed_cache)
|
|
shared->uncompressed_cache->reset();
|
|
|
|
if (shared->mark_cache)
|
|
shared->mark_cache->reset();
|
|
|
|
if (shared->index_uncompressed_cache)
|
|
shared->index_uncompressed_cache->reset();
|
|
|
|
if (shared->index_mark_cache)
|
|
shared->index_mark_cache->reset();
|
|
|
|
if (shared->mmap_cache)
|
|
shared->mmap_cache->reset();
|
|
}
|
|
|
|
BackgroundSchedulePool & Context::getBufferFlushSchedulePool() const
|
|
{
|
|
auto lock = getLock();
|
|
if (!shared->buffer_flush_schedule_pool)
|
|
shared->buffer_flush_schedule_pool.emplace(
|
|
settings.background_buffer_flush_schedule_pool_size,
|
|
CurrentMetrics::BackgroundBufferFlushSchedulePoolTask,
|
|
"BgBufSchPool");
|
|
return *shared->buffer_flush_schedule_pool;
|
|
}
|
|
|
|
BackgroundTaskSchedulingSettings Context::getBackgroundProcessingTaskSchedulingSettings() const
|
|
{
|
|
BackgroundTaskSchedulingSettings task_settings;
|
|
|
|
const auto & config = getConfigRef();
|
|
task_settings.thread_sleep_seconds = config.getDouble("background_processing_pool_thread_sleep_seconds", 10);
|
|
task_settings.thread_sleep_seconds_random_part = config.getDouble("background_processing_pool_thread_sleep_seconds_random_part", 1.0);
|
|
task_settings.thread_sleep_seconds_if_nothing_to_do = config.getDouble("background_processing_pool_thread_sleep_seconds_if_nothing_to_do", 0.1);
|
|
task_settings.task_sleep_seconds_when_no_work_min = config.getDouble("background_processing_pool_task_sleep_seconds_when_no_work_min", 10);
|
|
task_settings.task_sleep_seconds_when_no_work_max = config.getDouble("background_processing_pool_task_sleep_seconds_when_no_work_max", 600);
|
|
task_settings.task_sleep_seconds_when_no_work_multiplier = config.getDouble("background_processing_pool_task_sleep_seconds_when_no_work_multiplier", 1.1);
|
|
task_settings.task_sleep_seconds_when_no_work_random_part = config.getDouble("background_processing_pool_task_sleep_seconds_when_no_work_random_part", 1.0);
|
|
return task_settings;
|
|
}
|
|
|
|
BackgroundTaskSchedulingSettings Context::getBackgroundMoveTaskSchedulingSettings() const
|
|
{
|
|
BackgroundTaskSchedulingSettings task_settings;
|
|
|
|
const auto & config = getConfigRef();
|
|
task_settings.thread_sleep_seconds = config.getDouble("background_move_processing_pool_thread_sleep_seconds", 10);
|
|
task_settings.thread_sleep_seconds_random_part = config.getDouble("background_move_processing_pool_thread_sleep_seconds_random_part", 1.0);
|
|
task_settings.thread_sleep_seconds_if_nothing_to_do = config.getDouble("background_move_processing_pool_thread_sleep_seconds_if_nothing_to_do", 0.1);
|
|
task_settings.task_sleep_seconds_when_no_work_min = config.getDouble("background_move_processing_pool_task_sleep_seconds_when_no_work_min", 10);
|
|
task_settings.task_sleep_seconds_when_no_work_max = config.getDouble("background_move_processing_pool_task_sleep_seconds_when_no_work_max", 600);
|
|
task_settings.task_sleep_seconds_when_no_work_multiplier = config.getDouble("background_move_processing_pool_task_sleep_seconds_when_no_work_multiplier", 1.1);
|
|
task_settings.task_sleep_seconds_when_no_work_random_part = config.getDouble("background_move_processing_pool_task_sleep_seconds_when_no_work_random_part", 1.0);
|
|
|
|
return task_settings;
|
|
}
|
|
|
|
BackgroundSchedulePool & Context::getSchedulePool() const
|
|
{
|
|
auto lock = getLock();
|
|
if (!shared->schedule_pool)
|
|
shared->schedule_pool.emplace(
|
|
settings.background_schedule_pool_size,
|
|
CurrentMetrics::BackgroundSchedulePoolTask,
|
|
"BgSchPool");
|
|
return *shared->schedule_pool;
|
|
}
|
|
|
|
BackgroundSchedulePool & Context::getDistributedSchedulePool() const
|
|
{
|
|
auto lock = getLock();
|
|
if (!shared->distributed_schedule_pool)
|
|
shared->distributed_schedule_pool.emplace(
|
|
settings.background_distributed_schedule_pool_size,
|
|
CurrentMetrics::BackgroundDistributedSchedulePoolTask,
|
|
"BgDistSchPool");
|
|
return *shared->distributed_schedule_pool;
|
|
}
|
|
|
|
BackgroundSchedulePool & Context::getMessageBrokerSchedulePool() const
|
|
{
|
|
auto lock = getLock();
|
|
if (!shared->message_broker_schedule_pool)
|
|
shared->message_broker_schedule_pool.emplace(
|
|
settings.background_message_broker_schedule_pool_size,
|
|
CurrentMetrics::BackgroundMessageBrokerSchedulePoolTask,
|
|
"BgMBSchPool");
|
|
return *shared->message_broker_schedule_pool;
|
|
}
|
|
|
|
ThrottlerPtr Context::getReplicatedFetchesThrottler() const
|
|
{
|
|
auto lock = getLock();
|
|
if (!shared->replicated_fetches_throttler)
|
|
shared->replicated_fetches_throttler = std::make_shared<Throttler>(
|
|
settings.max_replicated_fetches_network_bandwidth_for_server);
|
|
|
|
return shared->replicated_fetches_throttler;
|
|
}
|
|
|
|
ThrottlerPtr Context::getReplicatedSendsThrottler() const
|
|
{
|
|
auto lock = getLock();
|
|
if (!shared->replicated_sends_throttler)
|
|
shared->replicated_sends_throttler = std::make_shared<Throttler>(
|
|
settings.max_replicated_sends_network_bandwidth_for_server);
|
|
|
|
return shared->replicated_sends_throttler;
|
|
}
|
|
|
|
bool Context::hasDistributedDDL() const
|
|
{
|
|
return getConfigRef().has("distributed_ddl");
|
|
}
|
|
|
|
void Context::setDDLWorker(std::unique_ptr<DDLWorker> ddl_worker)
|
|
{
|
|
auto lock = getLock();
|
|
if (shared->ddl_worker)
|
|
throw Exception("DDL background thread has already been initialized", ErrorCodes::LOGICAL_ERROR);
|
|
ddl_worker->startup();
|
|
shared->ddl_worker = std::move(ddl_worker);
|
|
}
|
|
|
|
DDLWorker & Context::getDDLWorker() const
|
|
{
|
|
auto lock = getLock();
|
|
if (!shared->ddl_worker)
|
|
{
|
|
if (!hasZooKeeper())
|
|
throw Exception("There is no Zookeeper configuration in server config", ErrorCodes::NO_ELEMENTS_IN_CONFIG);
|
|
|
|
if (!hasDistributedDDL())
|
|
throw Exception("There is no DistributedDDL configuration in server config", ErrorCodes::NO_ELEMENTS_IN_CONFIG);
|
|
|
|
throw Exception("DDL background thread is not initialized", ErrorCodes::NO_ELEMENTS_IN_CONFIG);
|
|
}
|
|
return *shared->ddl_worker;
|
|
}
|
|
|
|
zkutil::ZooKeeperPtr Context::getZooKeeper() const
|
|
{
|
|
std::lock_guard lock(shared->zookeeper_mutex);
|
|
|
|
const auto & config = shared->zookeeper_config ? *shared->zookeeper_config : getConfigRef();
|
|
if (!shared->zookeeper)
|
|
shared->zookeeper = std::make_shared<zkutil::ZooKeeper>(config, "zookeeper", getZooKeeperLog());
|
|
else if (shared->zookeeper->expired())
|
|
shared->zookeeper = shared->zookeeper->startNewSession();
|
|
|
|
return shared->zookeeper;
|
|
}
|
|
|
|
namespace
|
|
{
|
|
|
|
bool checkZooKeeperConfigIsLocal(const Poco::Util::AbstractConfiguration & config, const std::string & config_name)
|
|
{
|
|
Poco::Util::AbstractConfiguration::Keys keys;
|
|
config.keys(config_name, keys);
|
|
|
|
for (const auto & key : keys)
|
|
{
|
|
if (startsWith(key, "node"))
|
|
{
|
|
String host = config.getString(config_name + "." + key + ".host");
|
|
if (isLocalAddress(DNSResolver::instance().resolveHost(host)))
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
bool Context::tryCheckClientConnectionToMyKeeperCluster() const
|
|
{
|
|
try
|
|
{
|
|
/// If our server is part of main Keeper cluster
|
|
if (checkZooKeeperConfigIsLocal(getConfigRef(), "zookeeper"))
|
|
{
|
|
LOG_DEBUG(shared->log, "Keeper server is participant of the main zookeeper cluster, will try to connect to it");
|
|
getZooKeeper();
|
|
/// Connected, return true
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
Poco::Util::AbstractConfiguration::Keys keys;
|
|
getConfigRef().keys("auxiliary_zookeepers", keys);
|
|
|
|
/// If our server is part of some auxiliary_zookeeper
|
|
for (const auto & aux_zk_name : keys)
|
|
{
|
|
if (checkZooKeeperConfigIsLocal(getConfigRef(), "auxiliary_zookeepers." + aux_zk_name))
|
|
{
|
|
LOG_DEBUG(shared->log, "Our Keeper server is participant of the auxiliary zookeeper cluster ({}), will try to connect to it", aux_zk_name);
|
|
getAuxiliaryZooKeeper(aux_zk_name);
|
|
/// Connected, return true
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Our server doesn't depend on our Keeper cluster
|
|
return true;
|
|
}
|
|
catch (...)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
UInt32 Context::getZooKeeperSessionUptime() const
|
|
{
|
|
std::lock_guard lock(shared->zookeeper_mutex);
|
|
if (!shared->zookeeper || shared->zookeeper->expired())
|
|
return 0;
|
|
return shared->zookeeper->getSessionUptime();
|
|
}
|
|
|
|
void Context::setSystemZooKeeperLogAfterInitializationIfNeeded()
|
|
{
|
|
/// It can be nearly impossible to understand in which order global objects are initialized on server startup.
|
|
/// If getZooKeeper() is called before initializeSystemLogs(), then zkutil::ZooKeeper gets nullptr
|
|
/// instead of pointer to system table and it logs nothing.
|
|
/// This method explicitly sets correct pointer to system log after its initialization.
|
|
/// TODO get rid of this if possible
|
|
|
|
std::lock_guard lock(shared->zookeeper_mutex);
|
|
if (!shared->system_logs || !shared->system_logs->zookeeper_log)
|
|
return;
|
|
|
|
if (shared->zookeeper)
|
|
shared->zookeeper->setZooKeeperLog(shared->system_logs->zookeeper_log);
|
|
|
|
for (auto & zk : shared->auxiliary_zookeepers)
|
|
zk.second->setZooKeeperLog(shared->system_logs->zookeeper_log);
|
|
}
|
|
|
|
void Context::initializeKeeperDispatcher([[maybe_unused]] bool start_async) const
|
|
{
|
|
#if USE_NURAFT
|
|
std::lock_guard lock(shared->keeper_dispatcher_mutex);
|
|
|
|
if (shared->keeper_dispatcher)
|
|
throw Exception(ErrorCodes::LOGICAL_ERROR, "Trying to initialize Keeper multiple times");
|
|
|
|
const auto & config = getConfigRef();
|
|
if (config.has("keeper_server"))
|
|
{
|
|
bool is_standalone_app = getApplicationType() == ApplicationType::KEEPER;
|
|
if (start_async)
|
|
{
|
|
assert(!is_standalone_app);
|
|
LOG_INFO(shared->log, "Connected to ZooKeeper (or Keeper) before internal Keeper start or we don't depend on our Keeper cluster, "
|
|
"will wait for Keeper asynchronously");
|
|
}
|
|
else
|
|
{
|
|
LOG_INFO(shared->log, "Cannot connect to ZooKeeper (or Keeper) before internal Keeper start, "
|
|
"will wait for Keeper synchronously");
|
|
}
|
|
|
|
shared->keeper_dispatcher = std::make_shared<KeeperDispatcher>();
|
|
shared->keeper_dispatcher->initialize(config, is_standalone_app, start_async);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#if USE_NURAFT
|
|
std::shared_ptr<KeeperDispatcher> & Context::getKeeperDispatcher() const
|
|
{
|
|
std::lock_guard lock(shared->keeper_dispatcher_mutex);
|
|
if (!shared->keeper_dispatcher)
|
|
throw Exception(ErrorCodes::LOGICAL_ERROR, "Keeper must be initialized before requests");
|
|
|
|
return shared->keeper_dispatcher;
|
|
}
|
|
#endif
|
|
|
|
void Context::shutdownKeeperDispatcher() const
|
|
{
|
|
#if USE_NURAFT
|
|
std::lock_guard lock(shared->keeper_dispatcher_mutex);
|
|
if (shared->keeper_dispatcher)
|
|
{
|
|
shared->keeper_dispatcher->shutdown();
|
|
shared->keeper_dispatcher.reset();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
void Context::updateKeeperConfiguration([[maybe_unused]] const Poco::Util::AbstractConfiguration & config)
|
|
{
|
|
#if USE_NURAFT
|
|
std::lock_guard lock(shared->keeper_dispatcher_mutex);
|
|
if (!shared->keeper_dispatcher)
|
|
return;
|
|
|
|
shared->keeper_dispatcher->updateConfiguration(config);
|
|
#endif
|
|
}
|
|
|
|
|
|
zkutil::ZooKeeperPtr Context::getAuxiliaryZooKeeper(const String & name) const
|
|
{
|
|
std::lock_guard lock(shared->auxiliary_zookeepers_mutex);
|
|
|
|
auto zookeeper = shared->auxiliary_zookeepers.find(name);
|
|
if (zookeeper == shared->auxiliary_zookeepers.end())
|
|
{
|
|
if (name.find(':') != std::string::npos || name.find('/') != std::string::npos)
|
|
throw Exception(ErrorCodes::BAD_ARGUMENTS, "Invalid auxiliary ZooKeeper name {}: ':' and '/' are not allowed", name);
|
|
|
|
const auto & config = shared->auxiliary_zookeepers_config ? *shared->auxiliary_zookeepers_config : getConfigRef();
|
|
if (!config.has("auxiliary_zookeepers." + name))
|
|
throw Exception(
|
|
ErrorCodes::BAD_ARGUMENTS,
|
|
"Unknown auxiliary ZooKeeper name '{}'. If it's required it can be added to the section <auxiliary_zookeepers> in "
|
|
"config.xml",
|
|
name);
|
|
|
|
zookeeper = shared->auxiliary_zookeepers.emplace(name,
|
|
std::make_shared<zkutil::ZooKeeper>(config, "auxiliary_zookeepers." + name, getZooKeeperLog())).first;
|
|
}
|
|
else if (zookeeper->second->expired())
|
|
zookeeper->second = zookeeper->second->startNewSession();
|
|
|
|
return zookeeper->second;
|
|
}
|
|
|
|
void Context::resetZooKeeper() const
|
|
{
|
|
std::lock_guard lock(shared->zookeeper_mutex);
|
|
shared->zookeeper.reset();
|
|
}
|
|
|
|
static void reloadZooKeeperIfChangedImpl(const ConfigurationPtr & config, const std::string & config_name, zkutil::ZooKeeperPtr & zk,
|
|
std::shared_ptr<ZooKeeperLog> zk_log)
|
|
{
|
|
if (!zk || zk->configChanged(*config, config_name))
|
|
{
|
|
if (zk)
|
|
zk->finalize("Config changed");
|
|
|
|
zk = std::make_shared<zkutil::ZooKeeper>(*config, config_name, std::move(zk_log));
|
|
}
|
|
}
|
|
|
|
void Context::reloadZooKeeperIfChanged(const ConfigurationPtr & config) const
|
|
{
|
|
std::lock_guard lock(shared->zookeeper_mutex);
|
|
shared->zookeeper_config = config;
|
|
reloadZooKeeperIfChangedImpl(config, "zookeeper", shared->zookeeper, getZooKeeperLog());
|
|
}
|
|
|
|
void Context::reloadAuxiliaryZooKeepersConfigIfChanged(const ConfigurationPtr & config)
|
|
{
|
|
std::lock_guard lock(shared->auxiliary_zookeepers_mutex);
|
|
|
|
shared->auxiliary_zookeepers_config = config;
|
|
|
|
for (auto it = shared->auxiliary_zookeepers.begin(); it != shared->auxiliary_zookeepers.end();)
|
|
{
|
|
if (!config->has("auxiliary_zookeepers." + it->first))
|
|
it = shared->auxiliary_zookeepers.erase(it);
|
|
else
|
|
{
|
|
reloadZooKeeperIfChangedImpl(config, "auxiliary_zookeepers." + it->first, it->second, getZooKeeperLog());
|
|
++it;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
bool Context::hasZooKeeper() const
|
|
{
|
|
return getConfigRef().has("zookeeper");
|
|
}
|
|
|
|
bool Context::hasAuxiliaryZooKeeper(const String & name) const
|
|
{
|
|
return getConfigRef().has("auxiliary_zookeepers." + name);
|
|
}
|
|
|
|
InterserverCredentialsPtr Context::getInterserverCredentials()
|
|
{
|
|
return shared->interserver_io_credentials.get();
|
|
}
|
|
|
|
void Context::updateInterserverCredentials(const Poco::Util::AbstractConfiguration & config)
|
|
{
|
|
auto credentials = InterserverCredentials::make(config, "interserver_http_credentials");
|
|
shared->interserver_io_credentials.set(std::move(credentials));
|
|
}
|
|
|
|
void Context::setInterserverIOAddress(const String & host, UInt16 port)
|
|
{
|
|
shared->interserver_io_host = host;
|
|
shared->interserver_io_port = port;
|
|
}
|
|
|
|
std::pair<String, UInt16> Context::getInterserverIOAddress() const
|
|
{
|
|
if (shared->interserver_io_host.empty() || shared->interserver_io_port == 0)
|
|
throw Exception("Parameter 'interserver_http(s)_port' required for replication is not specified in configuration file.",
|
|
ErrorCodes::NO_ELEMENTS_IN_CONFIG);
|
|
|
|
return { shared->interserver_io_host, shared->interserver_io_port };
|
|
}
|
|
|
|
void Context::setInterserverScheme(const String & scheme)
|
|
{
|
|
shared->interserver_scheme = scheme;
|
|
}
|
|
|
|
String Context::getInterserverScheme() const
|
|
{
|
|
return shared->interserver_scheme;
|
|
}
|
|
|
|
void Context::setRemoteHostFilter(const Poco::Util::AbstractConfiguration & config)
|
|
{
|
|
shared->remote_host_filter.setValuesFromConfig(config);
|
|
}
|
|
|
|
const RemoteHostFilter & Context::getRemoteHostFilter() const
|
|
{
|
|
return shared->remote_host_filter;
|
|
}
|
|
|
|
UInt16 Context::getTCPPort() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
const auto & config = getConfigRef();
|
|
return config.getInt("tcp_port", DBMS_DEFAULT_PORT);
|
|
}
|
|
|
|
std::optional<UInt16> Context::getTCPPortSecure() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
const auto & config = getConfigRef();
|
|
if (config.has("tcp_port_secure"))
|
|
return config.getInt("tcp_port_secure");
|
|
return {};
|
|
}
|
|
|
|
void Context::registerServerPort(String port_name, UInt16 port)
|
|
{
|
|
shared->server_ports.emplace(std::move(port_name), port);
|
|
}
|
|
|
|
UInt16 Context::getServerPort(const String & port_name) const
|
|
{
|
|
auto it = shared->server_ports.find(port_name);
|
|
if (it == shared->server_ports.end())
|
|
throw Exception(ErrorCodes::BAD_GET, "There is no port named {}", port_name);
|
|
else
|
|
return it->second;
|
|
}
|
|
|
|
std::shared_ptr<Cluster> Context::getCluster(const std::string & cluster_name) const
|
|
{
|
|
if (auto res = tryGetCluster(cluster_name))
|
|
return res;
|
|
throw Exception("Requested cluster '" + cluster_name + "' not found", ErrorCodes::BAD_GET);
|
|
}
|
|
|
|
|
|
std::shared_ptr<Cluster> Context::tryGetCluster(const std::string & cluster_name) const
|
|
{
|
|
auto res = getClusters()->getCluster(cluster_name);
|
|
if (res)
|
|
return res;
|
|
if (!cluster_name.empty())
|
|
res = tryGetReplicatedDatabaseCluster(cluster_name);
|
|
return res;
|
|
}
|
|
|
|
|
|
void Context::reloadClusterConfig() const
|
|
{
|
|
while (true)
|
|
{
|
|
ConfigurationPtr cluster_config;
|
|
{
|
|
std::lock_guard lock(shared->clusters_mutex);
|
|
cluster_config = shared->clusters_config;
|
|
}
|
|
|
|
const auto & config = cluster_config ? *cluster_config : getConfigRef();
|
|
auto new_clusters = std::make_shared<Clusters>(config, settings);
|
|
|
|
{
|
|
std::lock_guard lock(shared->clusters_mutex);
|
|
if (shared->clusters_config.get() == cluster_config.get())
|
|
{
|
|
shared->clusters = std::move(new_clusters);
|
|
return;
|
|
}
|
|
|
|
// Clusters config has been suddenly changed, recompute clusters
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
std::shared_ptr<Clusters> Context::getClusters() const
|
|
{
|
|
std::lock_guard lock(shared->clusters_mutex);
|
|
if (!shared->clusters)
|
|
{
|
|
const auto & config = shared->clusters_config ? *shared->clusters_config : getConfigRef();
|
|
shared->clusters = std::make_shared<Clusters>(config, settings);
|
|
}
|
|
|
|
return shared->clusters;
|
|
}
|
|
|
|
void Context::startClusterDiscovery()
|
|
{
|
|
if (!shared->cluster_discovery)
|
|
return;
|
|
shared->cluster_discovery->start();
|
|
}
|
|
|
|
|
|
/// On repeating calls updates existing clusters and adds new clusters, doesn't delete old clusters
|
|
void Context::setClustersConfig(const ConfigurationPtr & config, bool enable_discovery, const String & config_name)
|
|
{
|
|
std::lock_guard lock(shared->clusters_mutex);
|
|
if (config->getBool("allow_experimental_cluster_discovery", false) && enable_discovery && !shared->cluster_discovery)
|
|
{
|
|
shared->cluster_discovery = std::make_unique<ClusterDiscovery>(*config, getGlobalContext());
|
|
}
|
|
|
|
/// Do not update clusters if this part of config wasn't changed.
|
|
if (shared->clusters && isSameConfiguration(*config, *shared->clusters_config, config_name))
|
|
return;
|
|
|
|
auto old_clusters_config = shared->clusters_config;
|
|
shared->clusters_config = config;
|
|
|
|
if (!shared->clusters)
|
|
shared->clusters = std::make_shared<Clusters>(*shared->clusters_config, settings, config_name);
|
|
else
|
|
shared->clusters->updateClusters(*shared->clusters_config, settings, config_name, old_clusters_config);
|
|
}
|
|
|
|
|
|
void Context::setCluster(const String & cluster_name, const std::shared_ptr<Cluster> & cluster)
|
|
{
|
|
std::lock_guard lock(shared->clusters_mutex);
|
|
|
|
if (!shared->clusters)
|
|
throw Exception("Clusters are not set", ErrorCodes::LOGICAL_ERROR);
|
|
|
|
shared->clusters->setCluster(cluster_name, cluster);
|
|
}
|
|
|
|
|
|
void Context::initializeSystemLogs()
|
|
{
|
|
auto lock = getLock();
|
|
shared->system_logs = std::make_unique<SystemLogs>(getGlobalContext(), getConfigRef());
|
|
}
|
|
|
|
void Context::initializeTraceCollector()
|
|
{
|
|
shared->initializeTraceCollector(getTraceLog());
|
|
}
|
|
|
|
bool Context::hasTraceCollector() const
|
|
{
|
|
return shared->hasTraceCollector();
|
|
}
|
|
|
|
|
|
std::shared_ptr<QueryLog> Context::getQueryLog() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->system_logs)
|
|
return {};
|
|
|
|
return shared->system_logs->query_log;
|
|
}
|
|
|
|
std::shared_ptr<QueryThreadLog> Context::getQueryThreadLog() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->system_logs)
|
|
return {};
|
|
|
|
return shared->system_logs->query_thread_log;
|
|
}
|
|
|
|
std::shared_ptr<QueryViewsLog> Context::getQueryViewsLog() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->system_logs)
|
|
return {};
|
|
|
|
return shared->system_logs->query_views_log;
|
|
}
|
|
|
|
std::shared_ptr<PartLog> Context::getPartLog(const String & part_database) const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
/// No part log or system logs are shutting down.
|
|
if (!shared->system_logs)
|
|
return {};
|
|
|
|
/// Will not log operations on system tables (including part_log itself).
|
|
/// It doesn't make sense and not allow to destruct PartLog correctly due to infinite logging and flushing,
|
|
/// and also make troubles on startup.
|
|
if (part_database == DatabaseCatalog::SYSTEM_DATABASE)
|
|
return {};
|
|
|
|
return shared->system_logs->part_log;
|
|
}
|
|
|
|
|
|
std::shared_ptr<TraceLog> Context::getTraceLog() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->system_logs)
|
|
return {};
|
|
|
|
return shared->system_logs->trace_log;
|
|
}
|
|
|
|
|
|
std::shared_ptr<TextLog> Context::getTextLog() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->system_logs)
|
|
return {};
|
|
|
|
return shared->system_logs->text_log;
|
|
}
|
|
|
|
|
|
std::shared_ptr<MetricLog> Context::getMetricLog() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->system_logs)
|
|
return {};
|
|
|
|
return shared->system_logs->metric_log;
|
|
}
|
|
|
|
|
|
std::shared_ptr<AsynchronousMetricLog> Context::getAsynchronousMetricLog() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->system_logs)
|
|
return {};
|
|
|
|
return shared->system_logs->asynchronous_metric_log;
|
|
}
|
|
|
|
|
|
std::shared_ptr<OpenTelemetrySpanLog> Context::getOpenTelemetrySpanLog() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->system_logs)
|
|
return {};
|
|
|
|
return shared->system_logs->opentelemetry_span_log;
|
|
}
|
|
|
|
std::shared_ptr<SessionLog> Context::getSessionLog() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->system_logs)
|
|
return {};
|
|
|
|
return shared->system_logs->session_log;
|
|
}
|
|
|
|
|
|
std::shared_ptr<ZooKeeperLog> Context::getZooKeeperLog() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->system_logs)
|
|
return {};
|
|
|
|
return shared->system_logs->zookeeper_log;
|
|
}
|
|
|
|
|
|
CompressionCodecPtr Context::chooseCompressionCodec(size_t part_size, double part_size_ratio) const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->compression_codec_selector)
|
|
{
|
|
constexpr auto config_name = "compression";
|
|
const auto & config = getConfigRef();
|
|
|
|
if (config.has(config_name))
|
|
shared->compression_codec_selector = std::make_unique<CompressionCodecSelector>(config, "compression");
|
|
else
|
|
shared->compression_codec_selector = std::make_unique<CompressionCodecSelector>();
|
|
}
|
|
|
|
return shared->compression_codec_selector->choose(part_size, part_size_ratio);
|
|
}
|
|
|
|
|
|
DiskPtr Context::getDisk(const String & name) const
|
|
{
|
|
std::lock_guard lock(shared->storage_policies_mutex);
|
|
|
|
auto disk_selector = getDiskSelector(lock);
|
|
|
|
return disk_selector->get(name);
|
|
}
|
|
|
|
StoragePolicyPtr Context::getStoragePolicy(const String & name) const
|
|
{
|
|
std::lock_guard lock(shared->storage_policies_mutex);
|
|
|
|
auto policy_selector = getStoragePolicySelector(lock);
|
|
|
|
return policy_selector->get(name);
|
|
}
|
|
|
|
|
|
DisksMap Context::getDisksMap() const
|
|
{
|
|
std::lock_guard lock(shared->storage_policies_mutex);
|
|
return getDiskSelector(lock)->getDisksMap();
|
|
}
|
|
|
|
StoragePoliciesMap Context::getPoliciesMap() const
|
|
{
|
|
std::lock_guard lock(shared->storage_policies_mutex);
|
|
return getStoragePolicySelector(lock)->getPoliciesMap();
|
|
}
|
|
|
|
DiskSelectorPtr Context::getDiskSelector(std::lock_guard<std::mutex> & /* lock */) const
|
|
{
|
|
if (!shared->merge_tree_disk_selector)
|
|
{
|
|
constexpr auto config_name = "storage_configuration.disks";
|
|
const auto & config = getConfigRef();
|
|
|
|
shared->merge_tree_disk_selector = std::make_shared<DiskSelector>(config, config_name, shared_from_this());
|
|
}
|
|
return shared->merge_tree_disk_selector;
|
|
}
|
|
|
|
StoragePolicySelectorPtr Context::getStoragePolicySelector(std::lock_guard<std::mutex> & lock) const
|
|
{
|
|
if (!shared->merge_tree_storage_policy_selector)
|
|
{
|
|
constexpr auto config_name = "storage_configuration.policies";
|
|
const auto & config = getConfigRef();
|
|
|
|
shared->merge_tree_storage_policy_selector = std::make_shared<StoragePolicySelector>(config, config_name, getDiskSelector(lock));
|
|
}
|
|
return shared->merge_tree_storage_policy_selector;
|
|
}
|
|
|
|
|
|
void Context::updateStorageConfiguration(const Poco::Util::AbstractConfiguration & config)
|
|
{
|
|
std::lock_guard lock(shared->storage_policies_mutex);
|
|
|
|
if (shared->merge_tree_disk_selector)
|
|
shared->merge_tree_disk_selector
|
|
= shared->merge_tree_disk_selector->updateFromConfig(config, "storage_configuration.disks", shared_from_this());
|
|
|
|
if (shared->merge_tree_storage_policy_selector)
|
|
{
|
|
try
|
|
{
|
|
shared->merge_tree_storage_policy_selector = shared->merge_tree_storage_policy_selector->updateFromConfig(
|
|
config, "storage_configuration.policies", shared->merge_tree_disk_selector);
|
|
}
|
|
catch (Exception & e)
|
|
{
|
|
LOG_ERROR(
|
|
shared->log, "An error has occurred while reloading storage policies, storage policies were not applied: {}", e.message());
|
|
}
|
|
}
|
|
|
|
if (shared->storage_s3_settings)
|
|
{
|
|
shared->storage_s3_settings->loadFromConfig("s3", config);
|
|
}
|
|
}
|
|
|
|
|
|
const MergeTreeSettings & Context::getMergeTreeSettings() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->merge_tree_settings)
|
|
{
|
|
const auto & config = getConfigRef();
|
|
MergeTreeSettings mt_settings;
|
|
mt_settings.loadFromConfig("merge_tree", config);
|
|
shared->merge_tree_settings.emplace(mt_settings);
|
|
}
|
|
|
|
return *shared->merge_tree_settings;
|
|
}
|
|
|
|
const MergeTreeSettings & Context::getReplicatedMergeTreeSettings() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->replicated_merge_tree_settings)
|
|
{
|
|
const auto & config = getConfigRef();
|
|
MergeTreeSettings mt_settings;
|
|
mt_settings.loadFromConfig("merge_tree", config);
|
|
mt_settings.loadFromConfig("replicated_merge_tree", config);
|
|
shared->replicated_merge_tree_settings.emplace(mt_settings);
|
|
}
|
|
|
|
return *shared->replicated_merge_tree_settings;
|
|
}
|
|
|
|
const StorageS3Settings & Context::getStorageS3Settings() const
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->storage_s3_settings)
|
|
{
|
|
const auto & config = getConfigRef();
|
|
shared->storage_s3_settings.emplace().loadFromConfig("s3", config);
|
|
}
|
|
|
|
return *shared->storage_s3_settings;
|
|
}
|
|
|
|
void Context::checkCanBeDropped(const String & database, const String & table, const size_t & size, const size_t & max_size_to_drop) const
|
|
{
|
|
if (!max_size_to_drop || size <= max_size_to_drop)
|
|
return;
|
|
|
|
fs::path force_file(getFlagsPath() + "force_drop_table");
|
|
bool force_file_exists = fs::exists(force_file);
|
|
|
|
if (force_file_exists)
|
|
{
|
|
try
|
|
{
|
|
fs::remove(force_file);
|
|
return;
|
|
}
|
|
catch (...)
|
|
{
|
|
/// User should recreate force file on each drop, it shouldn't be protected
|
|
tryLogCurrentException("Drop table check", "Can't remove force file to enable table or partition drop");
|
|
}
|
|
}
|
|
|
|
String size_str = formatReadableSizeWithDecimalSuffix(size);
|
|
String max_size_to_drop_str = formatReadableSizeWithDecimalSuffix(max_size_to_drop);
|
|
throw Exception(ErrorCodes::TABLE_SIZE_EXCEEDS_MAX_DROP_SIZE_LIMIT,
|
|
"Table or Partition in {}.{} was not dropped.\nReason:\n"
|
|
"1. Size ({}) is greater than max_[table/partition]_size_to_drop ({})\n"
|
|
"2. File '{}' intended to force DROP {}\n"
|
|
"How to fix this:\n"
|
|
"1. Either increase (or set to zero) max_[table/partition]_size_to_drop in server config\n"
|
|
"2. Either create forcing file {} and make sure that ClickHouse has write permission for it.\n"
|
|
"Example:\nsudo touch '{}' && sudo chmod 666 '{}'",
|
|
backQuoteIfNeed(database), backQuoteIfNeed(table),
|
|
size_str, max_size_to_drop_str,
|
|
force_file.string(), force_file_exists ? "exists but not writeable (could not be removed)" : "doesn't exist",
|
|
force_file.string(),
|
|
force_file.string(), force_file.string());
|
|
}
|
|
|
|
|
|
void Context::setMaxTableSizeToDrop(size_t max_size)
|
|
{
|
|
// Is initialized at server startup and updated at config reload
|
|
shared->max_table_size_to_drop.store(max_size, std::memory_order_relaxed);
|
|
}
|
|
|
|
|
|
void Context::checkTableCanBeDropped(const String & database, const String & table, const size_t & table_size) const
|
|
{
|
|
size_t max_table_size_to_drop = shared->max_table_size_to_drop.load(std::memory_order_relaxed);
|
|
|
|
checkCanBeDropped(database, table, table_size, max_table_size_to_drop);
|
|
}
|
|
|
|
|
|
void Context::setMaxPartitionSizeToDrop(size_t max_size)
|
|
{
|
|
// Is initialized at server startup and updated at config reload
|
|
shared->max_partition_size_to_drop.store(max_size, std::memory_order_relaxed);
|
|
}
|
|
|
|
|
|
void Context::checkPartitionCanBeDropped(const String & database, const String & table, const size_t & partition_size) const
|
|
{
|
|
size_t max_partition_size_to_drop = shared->max_partition_size_to_drop.load(std::memory_order_relaxed);
|
|
|
|
checkCanBeDropped(database, table, partition_size, max_partition_size_to_drop);
|
|
}
|
|
|
|
|
|
InputFormatPtr Context::getInputFormat(const String & name, ReadBuffer & buf, const Block & sample, UInt64 max_block_size, const std::optional<FormatSettings> & format_settings) const
|
|
{
|
|
return FormatFactory::instance().getInput(name, buf, sample, shared_from_this(), max_block_size, format_settings);
|
|
}
|
|
|
|
OutputFormatPtr Context::getOutputFormat(const String & name, WriteBuffer & buf, const Block & sample) const
|
|
{
|
|
return FormatFactory::instance().getOutputFormat(name, buf, sample, shared_from_this());
|
|
}
|
|
|
|
OutputFormatPtr Context::getOutputFormatParallelIfPossible(const String & name, WriteBuffer & buf, const Block & sample) const
|
|
{
|
|
return FormatFactory::instance().getOutputFormatParallelIfPossible(name, buf, sample, shared_from_this());
|
|
}
|
|
|
|
|
|
time_t Context::getUptimeSeconds() const
|
|
{
|
|
auto lock = getLock();
|
|
return shared->uptime_watch.elapsedSeconds();
|
|
}
|
|
|
|
|
|
void Context::setConfigReloadCallback(ConfigReloadCallback && callback)
|
|
{
|
|
/// Is initialized at server startup, so lock isn't required. Otherwise use mutex.
|
|
shared->config_reload_callback = std::move(callback);
|
|
}
|
|
|
|
void Context::reloadConfig() const
|
|
{
|
|
/// Use mutex if callback may be changed after startup.
|
|
if (!shared->config_reload_callback)
|
|
throw Exception("Can't reload config because config_reload_callback is not set.", ErrorCodes::LOGICAL_ERROR);
|
|
|
|
shared->config_reload_callback();
|
|
}
|
|
|
|
|
|
void Context::shutdown()
|
|
{
|
|
// Disk selector might not be initialized if there was some error during
|
|
// its initialization. Don't try to initialize it again on shutdown.
|
|
if (shared->merge_tree_disk_selector)
|
|
{
|
|
for (auto & [disk_name, disk] : getDisksMap())
|
|
{
|
|
LOG_INFO(shared->log, "Shutdown disk {}", disk_name);
|
|
disk->shutdown();
|
|
}
|
|
}
|
|
|
|
shared->shutdown();
|
|
}
|
|
|
|
|
|
Context::ApplicationType Context::getApplicationType() const
|
|
{
|
|
return shared->application_type;
|
|
}
|
|
|
|
void Context::setApplicationType(ApplicationType type)
|
|
{
|
|
/// Lock isn't required, you should set it at start
|
|
shared->application_type = type;
|
|
}
|
|
|
|
void Context::setDefaultProfiles(const Poco::Util::AbstractConfiguration & config)
|
|
{
|
|
shared->default_profile_name = config.getString("default_profile", "default");
|
|
getAccessControl().setDefaultProfileName(shared->default_profile_name);
|
|
|
|
shared->system_profile_name = config.getString("system_profile", shared->default_profile_name);
|
|
setCurrentProfile(shared->system_profile_name);
|
|
|
|
applySettingsQuirks(settings, &Poco::Logger::get("SettingsQuirks"));
|
|
|
|
shared->buffer_profile_name = config.getString("buffer_profile", shared->system_profile_name);
|
|
buffer_context = Context::createCopy(shared_from_this());
|
|
buffer_context->setCurrentProfile(shared->buffer_profile_name);
|
|
}
|
|
|
|
String Context::getDefaultProfileName() const
|
|
{
|
|
return shared->default_profile_name;
|
|
}
|
|
|
|
String Context::getSystemProfileName() const
|
|
{
|
|
return shared->system_profile_name;
|
|
}
|
|
|
|
String Context::getFormatSchemaPath() const
|
|
{
|
|
return shared->format_schema_path;
|
|
}
|
|
|
|
void Context::setFormatSchemaPath(const String & path)
|
|
{
|
|
shared->format_schema_path = path;
|
|
}
|
|
|
|
Context::SampleBlockCache & Context::getSampleBlockCache() const
|
|
{
|
|
assert(hasQueryContext());
|
|
return getQueryContext()->sample_block_cache;
|
|
}
|
|
|
|
|
|
bool Context::hasQueryParameters() const
|
|
{
|
|
return !query_parameters.empty();
|
|
}
|
|
|
|
|
|
const NameToNameMap & Context::getQueryParameters() const
|
|
{
|
|
return query_parameters;
|
|
}
|
|
|
|
|
|
void Context::setQueryParameter(const String & name, const String & value)
|
|
{
|
|
if (!query_parameters.emplace(name, value).second)
|
|
throw Exception("Duplicate name " + backQuote(name) + " of query parameter", ErrorCodes::BAD_ARGUMENTS);
|
|
}
|
|
|
|
|
|
void Context::addBridgeCommand(std::unique_ptr<ShellCommand> cmd) const
|
|
{
|
|
auto lock = getLock();
|
|
shared->bridge_commands.emplace_back(std::move(cmd));
|
|
}
|
|
|
|
|
|
IHostContextPtr & Context::getHostContext()
|
|
{
|
|
return host_context;
|
|
}
|
|
|
|
|
|
const IHostContextPtr & Context::getHostContext() const
|
|
{
|
|
return host_context;
|
|
}
|
|
|
|
|
|
std::shared_ptr<ActionLocksManager> Context::getActionLocksManager()
|
|
{
|
|
auto lock = getLock();
|
|
|
|
if (!shared->action_locks_manager)
|
|
shared->action_locks_manager = std::make_shared<ActionLocksManager>(shared_from_this());
|
|
|
|
return shared->action_locks_manager;
|
|
}
|
|
|
|
|
|
void Context::setExternalTablesInitializer(ExternalTablesInitializer && initializer)
|
|
{
|
|
if (external_tables_initializer_callback)
|
|
throw Exception("External tables initializer is already set", ErrorCodes::LOGICAL_ERROR);
|
|
|
|
external_tables_initializer_callback = std::move(initializer);
|
|
}
|
|
|
|
void Context::initializeExternalTablesIfSet()
|
|
{
|
|
if (external_tables_initializer_callback)
|
|
{
|
|
external_tables_initializer_callback(shared_from_this());
|
|
/// Reset callback
|
|
external_tables_initializer_callback = {};
|
|
}
|
|
}
|
|
|
|
|
|
void Context::setInputInitializer(InputInitializer && initializer)
|
|
{
|
|
if (input_initializer_callback)
|
|
throw Exception("Input initializer is already set", ErrorCodes::LOGICAL_ERROR);
|
|
|
|
input_initializer_callback = std::move(initializer);
|
|
}
|
|
|
|
|
|
void Context::initializeInput(const StoragePtr & input_storage)
|
|
{
|
|
if (!input_initializer_callback)
|
|
throw Exception("Input initializer is not set", ErrorCodes::LOGICAL_ERROR);
|
|
|
|
input_initializer_callback(shared_from_this(), input_storage);
|
|
/// Reset callback
|
|
input_initializer_callback = {};
|
|
}
|
|
|
|
|
|
void Context::setInputBlocksReaderCallback(InputBlocksReader && reader)
|
|
{
|
|
if (input_blocks_reader)
|
|
throw Exception("Input blocks reader is already set", ErrorCodes::LOGICAL_ERROR);
|
|
|
|
input_blocks_reader = std::move(reader);
|
|
}
|
|
|
|
|
|
InputBlocksReader Context::getInputBlocksReaderCallback() const
|
|
{
|
|
return input_blocks_reader;
|
|
}
|
|
|
|
|
|
void Context::resetInputCallbacks()
|
|
{
|
|
if (input_initializer_callback)
|
|
input_initializer_callback = {};
|
|
|
|
if (input_blocks_reader)
|
|
input_blocks_reader = {};
|
|
}
|
|
|
|
|
|
StorageID Context::resolveStorageID(StorageID storage_id, StorageNamespace where) const
|
|
{
|
|
if (storage_id.uuid != UUIDHelpers::Nil)
|
|
return storage_id;
|
|
|
|
StorageID resolved = StorageID::createEmpty();
|
|
std::optional<Exception> exc;
|
|
{
|
|
auto lock = getLock();
|
|
resolved = resolveStorageIDImpl(std::move(storage_id), where, &exc);
|
|
}
|
|
if (exc)
|
|
throw Exception(*exc);
|
|
if (!resolved.hasUUID() && resolved.database_name != DatabaseCatalog::TEMPORARY_DATABASE)
|
|
resolved.uuid = DatabaseCatalog::instance().getDatabase(resolved.database_name)->tryGetTableUUID(resolved.table_name);
|
|
return resolved;
|
|
}
|
|
|
|
StorageID Context::tryResolveStorageID(StorageID storage_id, StorageNamespace where) const
|
|
{
|
|
if (storage_id.uuid != UUIDHelpers::Nil)
|
|
return storage_id;
|
|
|
|
StorageID resolved = StorageID::createEmpty();
|
|
{
|
|
auto lock = getLock();
|
|
resolved = resolveStorageIDImpl(std::move(storage_id), where, nullptr);
|
|
}
|
|
if (resolved && !resolved.hasUUID() && resolved.database_name != DatabaseCatalog::TEMPORARY_DATABASE)
|
|
{
|
|
auto db = DatabaseCatalog::instance().tryGetDatabase(resolved.database_name);
|
|
if (db)
|
|
resolved.uuid = db->tryGetTableUUID(resolved.table_name);
|
|
}
|
|
return resolved;
|
|
}
|
|
|
|
StorageID Context::resolveStorageIDImpl(StorageID storage_id, StorageNamespace where, std::optional<Exception> * exception) const
|
|
{
|
|
if (storage_id.uuid != UUIDHelpers::Nil)
|
|
return storage_id;
|
|
|
|
if (!storage_id)
|
|
{
|
|
if (exception)
|
|
exception->emplace("Both table name and UUID are empty", ErrorCodes::UNKNOWN_TABLE);
|
|
return storage_id;
|
|
}
|
|
|
|
bool look_for_external_table = where & StorageNamespace::ResolveExternal;
|
|
/// Global context should not contain temporary tables
|
|
if (isGlobalContext())
|
|
look_for_external_table = false;
|
|
|
|
bool in_current_database = where & StorageNamespace::ResolveCurrentDatabase;
|
|
bool in_specified_database = where & StorageNamespace::ResolveGlobal;
|
|
|
|
if (!storage_id.database_name.empty())
|
|
{
|
|
if (in_specified_database)
|
|
return storage_id; /// NOTE There is no guarantees that table actually exists in database.
|
|
if (exception)
|
|
exception->emplace("External and temporary tables have no database, but " +
|
|
storage_id.database_name + " is specified", ErrorCodes::UNKNOWN_TABLE);
|
|
return StorageID::createEmpty();
|
|
}
|
|
|
|
/// Database name is not specified. It's temporary table or table in current database.
|
|
|
|
if (look_for_external_table)
|
|
{
|
|
auto resolved_id = StorageID::createEmpty();
|
|
auto try_resolve = [&](ContextPtr context) -> bool
|
|
{
|
|
const auto & tables = context->external_tables_mapping;
|
|
auto it = tables.find(storage_id.getTableName());
|
|
if (it == tables.end())
|
|
return false;
|
|
resolved_id = it->second->getGlobalTableID();
|
|
return true;
|
|
};
|
|
|
|
/// Firstly look for temporary table in current context
|
|
if (try_resolve(shared_from_this()))
|
|
return resolved_id;
|
|
|
|
/// If not found and current context was created from some query context, look for temporary table in query context
|
|
auto query_context_ptr = query_context.lock();
|
|
bool is_local_context = query_context_ptr && query_context_ptr.get() != this;
|
|
if (is_local_context && try_resolve(query_context_ptr))
|
|
return resolved_id;
|
|
|
|
/// If not found and current context was created from some session context, look for temporary table in session context
|
|
auto session_context_ptr = session_context.lock();
|
|
bool is_local_or_query_context = session_context_ptr && session_context_ptr.get() != this;
|
|
if (is_local_or_query_context && try_resolve(session_context_ptr))
|
|
return resolved_id;
|
|
}
|
|
|
|
/// Temporary table not found. It's table in current database.
|
|
|
|
if (in_current_database)
|
|
{
|
|
if (current_database.empty())
|
|
{
|
|
if (exception)
|
|
exception->emplace("Default database is not selected", ErrorCodes::UNKNOWN_DATABASE);
|
|
return StorageID::createEmpty();
|
|
}
|
|
storage_id.database_name = current_database;
|
|
/// NOTE There is no guarantees that table actually exists in database.
|
|
return storage_id;
|
|
}
|
|
|
|
if (exception)
|
|
exception->emplace("Cannot resolve database name for table " + storage_id.getNameForLogs(), ErrorCodes::UNKNOWN_TABLE);
|
|
return StorageID::createEmpty();
|
|
}
|
|
|
|
void Context::initZooKeeperMetadataTransaction(ZooKeeperMetadataTransactionPtr txn, [[maybe_unused]] bool attach_existing)
|
|
{
|
|
assert(!metadata_transaction);
|
|
assert(attach_existing || query_context.lock().get() == this);
|
|
metadata_transaction = std::move(txn);
|
|
}
|
|
|
|
ZooKeeperMetadataTransactionPtr Context::getZooKeeperMetadataTransaction() const
|
|
{
|
|
assert(!metadata_transaction || hasQueryContext());
|
|
return metadata_transaction;
|
|
}
|
|
|
|
void Context::resetZooKeeperMetadataTransaction()
|
|
{
|
|
assert(metadata_transaction);
|
|
assert(hasQueryContext());
|
|
metadata_transaction = nullptr;
|
|
}
|
|
|
|
PartUUIDsPtr Context::getPartUUIDs() const
|
|
{
|
|
auto lock = getLock();
|
|
if (!part_uuids)
|
|
/// For context itself, only this initialization is not const.
|
|
/// We could have done in constructor.
|
|
/// TODO: probably, remove this from Context.
|
|
const_cast<PartUUIDsPtr &>(part_uuids) = std::make_shared<PartUUIDs>();
|
|
|
|
return part_uuids;
|
|
}
|
|
|
|
|
|
ReadTaskCallback Context::getReadTaskCallback() const
|
|
{
|
|
if (!next_task_callback.has_value())
|
|
throw Exception(ErrorCodes::LOGICAL_ERROR, "Next task callback is not set for query {}", getInitialQueryId());
|
|
return next_task_callback.value();
|
|
}
|
|
|
|
|
|
void Context::setReadTaskCallback(ReadTaskCallback && callback)
|
|
{
|
|
next_task_callback = callback;
|
|
}
|
|
|
|
|
|
MergeTreeReadTaskCallback Context::getMergeTreeReadTaskCallback() const
|
|
{
|
|
if (!merge_tree_read_task_callback.has_value())
|
|
throw Exception(ErrorCodes::LOGICAL_ERROR, "Next task callback for is not set for query {}", getInitialQueryId());
|
|
|
|
return merge_tree_read_task_callback.value();
|
|
}
|
|
|
|
void Context::setMergeTreeReadTaskCallback(MergeTreeReadTaskCallback && callback)
|
|
{
|
|
merge_tree_read_task_callback = callback;
|
|
}
|
|
|
|
PartUUIDsPtr Context::getIgnoredPartUUIDs() const
|
|
{
|
|
auto lock = getLock();
|
|
if (!ignored_part_uuids)
|
|
const_cast<PartUUIDsPtr &>(ignored_part_uuids) = std::make_shared<PartUUIDs>();
|
|
|
|
return ignored_part_uuids;
|
|
}
|
|
|
|
AsynchronousInsertQueue * Context::getAsynchronousInsertQueue() const
|
|
{
|
|
return shared->async_insert_queue.get();
|
|
}
|
|
|
|
void Context::setAsynchronousInsertQueue(const std::shared_ptr<AsynchronousInsertQueue> & ptr)
|
|
{
|
|
using namespace std::chrono;
|
|
|
|
if (std::chrono::milliseconds(settings.async_insert_busy_timeout_ms) == 0ms)
|
|
throw Exception("Setting async_insert_busy_timeout_ms can't be zero", ErrorCodes::INVALID_SETTING_VALUE);
|
|
|
|
shared->async_insert_queue = ptr;
|
|
}
|
|
|
|
void Context::initializeBackgroundExecutorsIfNeeded()
|
|
{
|
|
auto lock = getLock();
|
|
if (shared->is_background_executors_initialized)
|
|
return;
|
|
|
|
const size_t max_merges_and_mutations = getSettingsRef().background_pool_size * getSettingsRef().background_merges_mutations_concurrency_ratio;
|
|
|
|
/// With this executor we can execute more tasks than threads we have
|
|
shared->merge_mutate_executor = MergeMutateBackgroundExecutor::create
|
|
(
|
|
"MergeMutate",
|
|
/*max_threads_count*/getSettingsRef().background_pool_size,
|
|
/*max_tasks_count*/max_merges_and_mutations,
|
|
CurrentMetrics::BackgroundMergesAndMutationsPoolTask
|
|
);
|
|
|
|
LOG_INFO(shared->log, "Initialized background executor for merges and mutations with num_threads={}, num_tasks={}",
|
|
getSettingsRef().background_pool_size, max_merges_and_mutations);
|
|
|
|
shared->moves_executor = OrdinaryBackgroundExecutor::create
|
|
(
|
|
"Move",
|
|
getSettingsRef().background_move_pool_size,
|
|
getSettingsRef().background_move_pool_size,
|
|
CurrentMetrics::BackgroundMovePoolTask
|
|
);
|
|
|
|
LOG_INFO(shared->log, "Initialized background executor for move operations with num_threads={}, num_tasks={}",
|
|
getSettingsRef().background_move_pool_size, getSettingsRef().background_move_pool_size);
|
|
|
|
shared->fetch_executor = OrdinaryBackgroundExecutor::create
|
|
(
|
|
"Fetch",
|
|
getSettingsRef().background_fetches_pool_size,
|
|
getSettingsRef().background_fetches_pool_size,
|
|
CurrentMetrics::BackgroundFetchesPoolTask
|
|
);
|
|
|
|
LOG_INFO(shared->log, "Initialized background executor for fetches with num_threads={}, num_tasks={}",
|
|
getSettingsRef().background_fetches_pool_size, getSettingsRef().background_fetches_pool_size);
|
|
|
|
shared->common_executor = OrdinaryBackgroundExecutor::create
|
|
(
|
|
"Common",
|
|
getSettingsRef().background_common_pool_size,
|
|
getSettingsRef().background_common_pool_size,
|
|
CurrentMetrics::BackgroundCommonPoolTask
|
|
);
|
|
|
|
LOG_INFO(shared->log, "Initialized background executor for common operations (e.g. clearing old parts) with num_threads={}, num_tasks={}",
|
|
getSettingsRef().background_common_pool_size, getSettingsRef().background_common_pool_size);
|
|
|
|
shared->is_background_executors_initialized = true;
|
|
}
|
|
|
|
|
|
MergeMutateBackgroundExecutorPtr Context::getMergeMutateExecutor() const
|
|
{
|
|
return shared->merge_mutate_executor;
|
|
}
|
|
|
|
OrdinaryBackgroundExecutorPtr Context::getMovesExecutor() const
|
|
{
|
|
return shared->moves_executor;
|
|
}
|
|
|
|
OrdinaryBackgroundExecutorPtr Context::getFetchesExecutor() const
|
|
{
|
|
return shared->fetch_executor;
|
|
}
|
|
|
|
OrdinaryBackgroundExecutorPtr Context::getCommonExecutor() const
|
|
{
|
|
return shared->common_executor;
|
|
}
|
|
|
|
|
|
ReadSettings Context::getReadSettings() const
|
|
{
|
|
ReadSettings res;
|
|
|
|
std::string_view read_method_str = settings.local_filesystem_read_method.value;
|
|
|
|
if (auto opt_method = magic_enum::enum_cast<LocalFSReadMethod>(read_method_str))
|
|
res.local_fs_method = *opt_method;
|
|
else
|
|
throw Exception(ErrorCodes::UNKNOWN_READ_METHOD, "Unknown read method '{}' for local filesystem", read_method_str);
|
|
|
|
read_method_str = settings.remote_filesystem_read_method.value;
|
|
|
|
if (auto opt_method = magic_enum::enum_cast<RemoteFSReadMethod>(read_method_str))
|
|
res.remote_fs_method = *opt_method;
|
|
else
|
|
throw Exception(ErrorCodes::UNKNOWN_READ_METHOD, "Unknown read method '{}' for remote filesystem", read_method_str);
|
|
|
|
res.local_fs_prefetch = settings.local_filesystem_read_prefetch;
|
|
res.remote_fs_prefetch = settings.remote_filesystem_read_prefetch;
|
|
|
|
res.remote_fs_read_max_backoff_ms = settings.remote_fs_read_max_backoff_ms;
|
|
res.remote_fs_read_backoff_max_tries = settings.remote_fs_read_backoff_max_tries;
|
|
|
|
res.remote_read_min_bytes_for_seek = settings.remote_read_min_bytes_for_seek;
|
|
|
|
res.local_fs_buffer_size = settings.max_read_buffer_size;
|
|
res.direct_io_threshold = settings.min_bytes_to_use_direct_io;
|
|
res.mmap_threshold = settings.min_bytes_to_use_mmap_io;
|
|
res.priority = settings.read_priority;
|
|
|
|
res.http_max_tries = settings.http_max_tries;
|
|
res.http_retry_initial_backoff_ms = settings.http_retry_initial_backoff_ms;
|
|
res.http_retry_max_backoff_ms = settings.http_retry_max_backoff_ms;
|
|
|
|
res.mmap_cache = getMMappedFileCache().get();
|
|
|
|
return res;
|
|
}
|
|
|
|
}
|