postgresql/levtr.h

#ifndef DBALLE_DB_V7_POSTGRESQL_LEVTRV7_H
#define DBALLE_DB_V7_POSTGRESQL_LEVTRV7_H
 
#include <cstdio>
#include <dballe/db/db.h>
#include <dballe/db/v7/fwd.h>
#include <dballe/db/v7/levtr.h>
#include <dballe/sql/fwd.h>
#include <memory>
 
namespace dballe {
namespace db {
namespace v7 {
namespace postgresql {
struct DB;

struct PostgreSQLLevTr : public v7::LevTr
{
protected:
    dballe::sql::PostgreSQLConnection& conn;
 
    void
    _dump(std::function<void(int, const Level&, const Trange&)> out) override;
 
public:
    PostgreSQLLevTr(v7::Transaction& tr,
                    dballe::sql::PostgreSQLConnection& conn);
    PostgreSQLLevTr(const LevTr&)                      = delete;
    PostgreSQLLevTr(const LevTr&&)                     = delete;
    PostgreSQLLevTr& operator=(const PostgreSQLLevTr&) = delete;
    ~PostgreSQLLevTr();
 
    void prefetch_ids(Tracer<>& trc, const std::set<int>& ids) override;
    const LevTrEntry* lookup_id(Tracer<>& trc, int id) override;
    int obtain_id(Tracer<>& trc, const LevTrEntry& desc) override;
};
 
} // namespace postgresql
} // namespace v7
} // namespace db
} // namespace dballe
#endif