/usr/include/dballe/db/v6/driver.h is in libdballe-dev 7.21-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 | #ifndef DBALLE_DB_V6_DRIVER_H
#define DBALLE_DB_V6_DRIVER_H
#include <dballe/core/defs.h>
#include <dballe/db/defs.h>
#include <dballe/sql/fwd.h>
#include <wreport/var.h>
#include <memory>
#include <functional>
#include <vector>
#include <cstdio>
namespace dballe {
namespace db {
namespace v6 {
struct QueryBuilder;
struct Repinfo;
struct Station;
struct LevTr;
struct DataV6;
struct AttrV6;
/// Query results from SQL output
struct SQLRecordV6
{
int out_lat;
int out_lon;
char out_ident[64];
int out_ident_size; // -1 for NULL
wreport::Varcode out_varcode;
Datetime out_datetime;
Datetime out_datetimemax;
char out_value[255];
int out_rep_cod;
int out_ana_id;
int out_id_ltr;
int out_id_data;
int priority;
/**
* Checks true if ana_id, id_ltr, datetime and varcode are the same in
* both records
*
* @returns true if they match, false if they are different
*/
bool querybest_fields_are_the_same(const SQLRecordV6& r);
/// Dump the record as a single line to the given output stream
void dump(FILE* out);
};
struct Driver
{
sql::Connection& connection;
Driver(sql::Connection& connection);
virtual ~Driver();
/// Precompiled queries to manipulate the repinfo table
virtual std::unique_ptr<v6::Repinfo> create_repinfov6() = 0;
/// Precompiled queries to manipulate the station table
virtual std::unique_ptr<v6::Station> create_stationv6() = 0;
/// Precompiled queries to manipulate the levtr table
virtual std::unique_ptr<v6::LevTr> create_levtrv6() = 0;
/// Precompiled queries to manipulate the data table
virtual std::unique_ptr<v6::DataV6> create_datav6() = 0;
/// Precompiled queries to manipulate the attr table
virtual std::unique_ptr<v6::AttrV6> create_attrv6() = 0;
/**
* Run a query on the given statement, returning results as SQLRecordV6 objects
*
* SQLRecordV6 is filled with the output variables according to which sel_* is true.
*
* Query will dispatch to the right connector routines for the query, based on
* the actual implementation of stm.
*/
virtual void run_built_query_v6(const v6::QueryBuilder& qb, std::function<void(SQLRecordV6& rec)> dest) = 0;
/// Create all missing tables for a DB with the given format
void create_tables(db::Format format);
/// Create all missing tables for V6 databases
virtual void create_tables_v6() = 0;
/// Delete all existing tables for a DB with the given format
void delete_tables(db::Format format);
/// Delete all existing tables for V6 databases
virtual void delete_tables_v6() = 0;
/// Empty all tables for a DB with the given format
void remove_all(db::Format format);
/// Empty all tables for V6 databases, assuming that they exist, without touching the repinfo table
virtual void remove_all_v6();
/// Perform database cleanup/maintenance on v6 databases
virtual void vacuum_v6() = 0;
/// Create a Driver for this connection
static std::unique_ptr<Driver> create(sql::Connection& conn);
};
}
}
}
#endif
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