libdballe 9.6
mysql/levtr.h
1#ifndef DBALLE_DB_V7_MYSQL_LEVTRV7_H
2#define DBALLE_DB_V7_MYSQL_LEVTRV7_H
3
4#include <dballe/db/db.h>
5#include <dballe/db/v7/levtr.h>
6#include <dballe/db/v7/fwd.h>
7#include <dballe/sql/fwd.h>
8#include <cstdio>
9#include <memory>
10
11namespace dballe {
12namespace db {
13namespace v7 {
14namespace mysql {
15struct DB;
16
20struct MySQLLevTr : public v7::LevTr
21{
22protected:
27
28 void _dump(std::function<void(int, const Level&, const Trange&)> out) override;
29
30public:
32 MySQLLevTr(const LevTr&) = delete;
33 MySQLLevTr(const LevTr&&) = delete;
34 MySQLLevTr& operator=(const MySQLLevTr&) = delete;
36
37 void prefetch_ids(Tracer<>& trc, const std::set<int>& ids) override;
38 const LevTrEntry* lookup_id(Tracer<>& trc, int id) override;
39 int obtain_id(Tracer<>& trc, const LevTrEntry& desc) override;
40};
41
42
43}
44}
45}
46}
47#endif
Smart pointer for trace::Step objects, which calls done() when going out of scope.
Definition: db/v7/fwd.h:46
Database connection.
Definition: mysql.h:127
Functions used to connect to DB-All.e and insert, query and delete data.
Forward declarations for public dballe/sql names.
Vertical level or layer.
Definition: types.h:625
Information on how a value has been sampled or computed with regards to time.
Definition: types.h:687
Definition: cache.h:15
Precompiled queries to manipulate the lev_tr table.
Definition: levtr.h:21
Definition: transaction.h:16
Precompiled queries to manipulate the lev_tr table.
Definition: mysql/levtr.h:21
void prefetch_ids(Tracer<> &trc, const std::set< int > &ids) override
Given a set of IDs, load LevTr information for them and add it to the cache.
const LevTrEntry * lookup_id(Tracer<> &trc, int id) override
Look up a LevTr from the database given its ID.
int obtain_id(Tracer<> &trc, const LevTrEntry &desc) override
Look up a LevTr from the database given its description.
dballe::sql::MySQLConnection & conn
DB connection.
Definition: mysql/levtr.h:26