#pragma once #include #include #include namespace DB { class Context; /** Implements the system table `storage`, which allows you to get information about all disks. */ class StorageSystemStoragePolicies final : public IStorage { public: explicit StorageSystemStoragePolicies(const StorageID & table_id_); std::string getName() const override { return "SystemStoragePolicies"; } Pipe read( 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; bool isSystemStorage() const override { return true; } }; }