lbug 0.15.4

An in-process property graph database management system built for query speed and scalability
Documentation 
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#pragma once

#include <memory>
#include <string>

#include "common/api.h"
#include "extension/catalog_extension.h"
#include "storage/storage_manager.h"
#include "transaction/transaction_manager.h"

namespace duckdb {
class MaterializedQueryResult;
}

namespace lbug {
namespace main {

class LBUG_API AttachedDatabase {
public:
    AttachedDatabase(std::string dbName, std::string dbType,
        std::unique_ptr<extension::CatalogExtension> catalog)
        : dbName{std::move(dbName)}, dbType{std::move(dbType)}, catalog{std::move(catalog)} {}

    virtual ~AttachedDatabase() = default;

    std::string getDBName() const { return dbName; }

    std::string getDBType() const { return dbType; }

    catalog::Catalog* getCatalog() { return catalog.get(); }

    virtual std::unique_ptr<duckdb::MaterializedQueryResult> executeQuery(
        const std::string& query) const;

    // Get column names for a table in the attached database
    // Returns empty vector if table doesn't exist or on error
    virtual std::vector<std::string> getTableColumnNames(const std::string& tableName) const;

    void invalidateCache();

    template<class TARGET>
    const TARGET& constCast() const {
        return common::dynamic_cast_checked<const TARGET&>(*this);
    }

protected:
    std::string dbName;
    std::string dbType;
    std::unique_ptr<catalog::Catalog> catalog;
};

class AttachedLbugDatabase final : public AttachedDatabase {
public:
    AttachedLbugDatabase(std::string dbPath, std::string dbName, std::string dbType,
        ClientContext* clientContext);

    storage::StorageManager* getStorageManager() { return storageManager.get(); }

    transaction::TransactionManager* getTransactionManager() { return transactionManager.get(); }

private:
    std::unique_ptr<storage::StorageManager> storageManager;
    std::unique_ptr<transaction::TransactionManager> transactionManager;
};

} // namespace main
} // namespace lbug