4 #include <dballe/fwd.h> 5 #include <dballe/core/cursor.h> 7 #include <dballe/db/fwd.h> 8 #include <dballe/db/defs.h> 9 #include <dballe/msg/fwd.h> 12 #include <wreport/var.h> 52 std::string format_format(Format format);
55 Format format_parse(
const std::string& str);
61 virtual void remove() = 0;
74 virtual void remove() = 0;
88 virtual void query_attrs(std::function<
void(std::unique_ptr<wreport::Var>)> dest,
bool force_read=
false) = 0;
107 virtual void remove() = 0;
121 virtual void query_attrs(std::function<
void(std::unique_ptr<wreport::Var>)> dest,
bool force_read=
false) = 0;
140 virtual void remove() = 0;
173 virtual void attr_query_station(
int data_id, std::function<
void(std::unique_ptr<wreport::Var>)> dest) = 0;
183 virtual void attr_query_data(
int data_id, std::function<
void(std::unique_ptr<wreport::Var>)> dest) = 0;
244 virtual void update_repinfo(
const char* repinfo_file,
int* added,
int* deleted,
int* updated) = 0;
249 virtual void dump(FILE* out) = 0;
255 static db::Format get_default_format();
256 static void set_default_format(db::Format
format);
274 static std::shared_ptr<DB>
create(std::shared_ptr<sql::Connection> conn);
284 static bool is_url(
const char* str);
287 virtual db::Format
format()
const = 0;
308 virtual void reset(
const char* repinfo_file=0) = 0;
314 virtual std::shared_ptr<dballe::db::Transaction>
test_transaction(
bool readonly=
false) = 0;
325 virtual void vacuum() = 0;
335 virtual void attr_query_station(
int data_id, std::function<
void(std::unique_ptr<wreport::Var>)>&& dest);
345 virtual void attr_query_data(
int data_id, std::function<
void(std::unique_ptr<wreport::Var>)>&& dest);
392 void dump(FILE* out);
401 inline static std::unique_ptr<db::DB>
downcast(std::unique_ptr<dballe::DB> db)
404 if (!res)
throw std::runtime_error(
"Attempted to downcast the wrong kind of DB");
406 return std::unique_ptr<db::DB>(res);
410 inline static std::shared_ptr<db::DB>
downcast(std::shared_ptr<dballe::DB> db)
412 auto res = std::dynamic_pointer_cast<
db::DB>(db);
413 if (!res)
throw std::runtime_error(
"Attempted to downcast the wrong kind of DB");
virtual unsigned test_iterate(FILE *dump=0)=0
Iterate the cursor until the end, returning the number of items.
virtual void attr_query_station(int data_id, std::function< void(std::unique_ptr< wreport::Var >)> dest)=0
Query attributes on a station value.
Forward declarations for public dballe/sql names.
virtual void insert_attrs(const Values &attrs)
Insert/update attributes for the current variable.
virtual unsigned test_iterate(FILE *dump=0)=0
Iterate the cursor until the end, returning the number of items.
Options controlling how messages are imported in the database.
Definition: db.h:64
virtual void attr_query_station(int data_id, std::function< void(std::unique_ptr< wreport::Var >)> &&dest)
Query attributes on a station value.
virtual void attr_insert_station(int data_id, const Values &attrs)=0
Insert new attributes on a station value.
virtual void disappear()=0
Remove all our traces from the database, if applicable.
void attr_insert_data(int data_id, const Values &attrs)
Insert new attributes on a data value.
virtual void insert_attrs(const Values &attrs)
Insert/update attributes for the current variable.
virtual void remove_attrs(const db::AttrList &attrs)
Remove attributes for the current variable.
static std::shared_ptr< DB > connect_from_file(const char *pathname)
Create from a SQLite file pathname.
void attr_remove_station(int data_id, const db::AttrList &attrs)
Delete attributes from a station value.
virtual void query_attrs(std::function< void(std::unique_ptr< wreport::Var >)> dest, bool force_read=false)=0
Query/return the attributes for the current value of this cursor.
DBInsertOptions with public constructor and copy, safe to use in dballe code but not accessible from ...
Definition: db/db.h:38
virtual unsigned test_iterate(FILE *dump=0)=0
Iterate the cursor until the end, returning the number of items.
static const char * default_repinfo_file()
Return the default repinfo file pathname.
static std::shared_ptr< DB > create(std::shared_ptr< sql::Connection > conn)
Create a database from an open Connection.
virtual void reset(const char *repinfo_file=0)=0
Reset the database, removing all existing Db-All.e tables and re-creating them empty.
Cursor iterating over station data values.
Definition: core/cursor.h:30
void attr_insert_station(int data_id, const Values &attrs)
Insert new attributes on a station value.
virtual int attr_reference_id() const =0
Return an integer value that can be used to refer to the current variable for attribute access...
static std::shared_ptr< db::DB > downcast(std::shared_ptr< dballe::DB > db)
Downcast a shared_ptr pointer.
Definition: db/db.h:410
static bool is_url(const char *str)
Return TRUE if the string looks like a DB URL.
void attr_remove_data(int data_id, const db::AttrList &attrs)
Delete attributes from a data value.
virtual std::shared_ptr< db::Transaction > get_transaction() const =0
Get the database that created this cursor.
Options controlling how values are inserted in the database.
Definition: db.h:122
virtual void dump(FILE *out)=0
Dump the entire contents of the database to an output stream.
virtual std::shared_ptr< dballe::db::Transaction > test_transaction(bool readonly=false)=0
Same as transaction(), but the resulting transaction will throw an exception if commit is called...
void dump(FILE *out)
Dump the entire contents of the database to an output stream.
virtual unsigned test_iterate(FILE *dump=0)=0
Iterate the cursor until the end, returning the number of items.
virtual void attr_query_data(int data_id, std::function< void(std::unique_ptr< wreport::Var >)> &&dest)
Query attributes on a data value.
virtual std::shared_ptr< db::Transaction > get_transaction() const =0
Get the database that created this cursor.
virtual void remove_attrs(const db::AttrList &attrs)
Remove attributes for the current variable.
virtual void query_attrs(std::function< void(std::unique_ptr< wreport::Var >)> dest, bool force_read=false)=0
Query/return the attributes for the current value of this cursor.
static std::unique_ptr< db::DB > downcast(std::unique_ptr< dballe::DB > db)
Downcast a unique_ptr pointer.
Definition: db/db.h:401
virtual int attr_reference_id() const =0
Return an integer value that can be used to refer to the current variable for attribute access...
Cursor iterating over stations.
Definition: core/cursor.h:12
DBImportOptions with public constructor and copy, safe to use in dballe code but not accessible from ...
Definition: db/db.h:28
Cursor iterating over data values.
Definition: core/cursor.h:48
Cursor iterating over summary entries.
Definition: core/cursor.h:66
virtual void clear_cached_state()=0
Clear state information cached during the transaction.
virtual void attr_query_data(int data_id, std::function< void(std::unique_ptr< wreport::Var >)> dest)=0
Query attributes on a data value.
virtual void attr_remove_data(int data_id, const db::AttrList &attrs)=0
Delete attributes from a data value.
virtual db::Format format() const =0
Return the format of this DB.
static std::shared_ptr< DB > connect_memory()
Create an in-memory database.
virtual void attr_remove_station(int data_id, const db::AttrList &attrs)=0
Delete attributes from a station value.
virtual void vacuum()=0
Perform database cleanup operations.
virtual void print_info(FILE *out)
Print informations about the database to the given output stream.
Collection of Value objects, indexed by wreport::Varcode.
Definition: values.h:176
virtual void update_repinfo(const char *repinfo_file, int *added, int *deleted, int *updated)=0
Update the repinfo table in the database, with the data found in the given file.
virtual void attr_insert_data(int data_id, const Values &attrs)=0
Insert new attributes on a data value.