#pragma once #include #include #include namespace DB { class StorageProxy : public IStorage { public: explicit StorageProxy(const StorageID & table_id_) : IStorage(table_id_) {} virtual StoragePtr getNested() const = 0; String getName() const override { return "StorageProxy"; } bool isRemote() const override { return getNested()->isRemote(); } bool isView() const override { return getNested()->isView(); } bool supportsSampling() const override { return getNested()->supportsSampling(); } bool supportsFinal() const override { return getNested()->supportsFinal(); } bool supportsPrewhere() const override { return getNested()->supportsPrewhere(); } bool supportsReplication() const override { return getNested()->supportsReplication(); } bool supportsParallelInsert() const override { return getNested()->supportsParallelInsert(); } bool supportsDeduplication() const override { return getNested()->supportsDeduplication(); } bool noPushingToViews() const override { return getNested()->noPushingToViews(); } bool hasEvenlyDistributedRead() const override { return getNested()->hasEvenlyDistributedRead(); } ColumnSizeByName getColumnSizes() const override { return getNested()->getColumnSizes(); } NamesAndTypesList getVirtuals() const override { return getNested()->getVirtuals(); } QueryProcessingStage::Enum getQueryProcessingStage( ContextPtr context, QueryProcessingStage::Enum to_stage, const StorageSnapshotPtr &, SelectQueryInfo & info) const override { /// TODO: Find a way to support projections for StorageProxy info.ignore_projections = true; const auto & nested_metadata = getNested()->getInMemoryMetadataPtr(); return getNested()->getQueryProcessingStage(context, to_stage, getNested()->getStorageSnapshot(nested_metadata, context), info); } Pipe watch( const Names & column_names, const SelectQueryInfo & query_info, ContextPtr context, QueryProcessingStage::Enum & processed_stage, size_t max_block_size, size_t num_streams) override { return getNested()->watch(column_names, query_info, context, processed_stage, max_block_size, num_streams); } void read( QueryPlan & query_plan, const Names & column_names, const StorageSnapshotPtr & storage_snapshot, SelectQueryInfo & query_info, ContextPtr context, QueryProcessingStage::Enum processed_stage, size_t max_block_size, size_t num_streams) override { return getNested()->read(query_plan, column_names, storage_snapshot, query_info, context, processed_stage, max_block_size, num_streams); } SinkToStoragePtr write(const ASTPtr & query, const StorageMetadataPtr & metadata_snapshot, ContextPtr context) override { return getNested()->write(query, metadata_snapshot, context); } void drop() override { getNested()->drop(); } void truncate( const ASTPtr & query, const StorageMetadataPtr & metadata_snapshot, ContextPtr context, TableExclusiveLockHolder & lock) override { getNested()->truncate(query, metadata_snapshot, context, lock); } void rename(const String & new_path_to_table_data, const StorageID & new_table_id) override { getNested()->rename(new_path_to_table_data, new_table_id); IStorage::renameInMemory(new_table_id); } void renameInMemory(const StorageID & new_table_id) override { getNested()->renameInMemory(new_table_id); IStorage::renameInMemory(new_table_id); } void alter(const AlterCommands & params, ContextPtr context, AlterLockHolder & alter_lock_holder) override { getNested()->alter(params, context, alter_lock_holder); IStorage::setInMemoryMetadata(getNested()->getInMemoryMetadata()); } void checkAlterIsPossible(const AlterCommands & commands, ContextPtr context) const override { getNested()->checkAlterIsPossible(commands, context); } Pipe alterPartition( const StorageMetadataPtr & metadata_snapshot, const PartitionCommands & commands, ContextPtr context) override { return getNested()->alterPartition(metadata_snapshot, commands, context); } void checkAlterPartitionIsPossible(const PartitionCommands & commands, const StorageMetadataPtr & metadata_snapshot, const Settings & settings) const override { getNested()->checkAlterPartitionIsPossible(commands, metadata_snapshot, settings); } bool optimize( const ASTPtr & query, const StorageMetadataPtr & metadata_snapshot, const ASTPtr & partition, bool final, bool deduplicate, const Names & deduplicate_by_columns, bool cleanup, ContextPtr context) override { return getNested()->optimize(query, metadata_snapshot, partition, final, deduplicate, deduplicate_by_columns, cleanup, context); } void mutate(const MutationCommands & commands, ContextPtr context) override { getNested()->mutate(commands, context); } CancellationCode killMutation(const String & mutation_id) override { return getNested()->killMutation(mutation_id); } void startup() override { getNested()->startup(); } void shutdown() override { getNested()->shutdown(); } void flush() override { getNested()->flush(); } ActionLock getActionLock(StorageActionBlockType action_type) override { return getNested()->getActionLock(action_type); } bool supportsIndexForIn() const override { return getNested()->supportsIndexForIn(); } bool mayBenefitFromIndexForIn(const ASTPtr & left_in_operand, ContextPtr query_context, const StorageMetadataPtr & metadata_snapshot) const override { return getNested()->mayBenefitFromIndexForIn(left_in_operand, query_context, metadata_snapshot); } CheckResults checkData(const ASTPtr & query , ContextPtr context) override { return getNested()->checkData(query, context); } void checkTableCanBeDropped() const override { getNested()->checkTableCanBeDropped(); } bool storesDataOnDisk() const override { return getNested()->storesDataOnDisk(); } Strings getDataPaths() const override { return getNested()->getDataPaths(); } StoragePolicyPtr getStoragePolicy() const override { return getNested()->getStoragePolicy(); } std::optional totalRows(const Settings & settings) const override { return getNested()->totalRows(settings); } std::optional totalBytes(const Settings & settings) const override { return getNested()->totalBytes(settings); } std::optional lifetimeRows() const override { return getNested()->lifetimeRows(); } std::optional lifetimeBytes() const override { return getNested()->lifetimeBytes(); } }; }