Remove all objects from a database.
MCO_RET mco_db_clean( /*IN*/ mco_db_h db);
| db | The database handle that was established by mco_db_connect() |
This function removes all objects from an opened database.
| MCO_S_OK | The database was successfully cleaned - all objects removed |
| MCO_E_INVALID_HANDLE | Invalid database connection |
| MCO_E_ILLEGAL_PARAM | Unable to remap segments; memory device is not conventional memory, memory size is zero or no memory allocated |
|
MCO_E_DISK_NOT_OPENED |
An index for a persistent class could not be deleted because disk access was not initialized by db_open_dev() |
|
MCO_E_PAGESIZE |
Unable to re-initialize database; Invalid database page size |
|
MCO_E_NOMEM |
Not enough memory to re-initialize database |
|
MCO_ERR_DB_NOMEM |
Fatal error: out of memory while re-initializing database |
|
MCO_ERR_INDEX |
Fatal error: unable to create index |
Application snippet: const char * dbname = "SimpleDb"; int main(int argc, char* argv[]) { mco_db_h db; MCO_RET rc; mco_device_t dev; mco_db_params_t db_params; ... if( (rc = mco_runtime_start()) != MCO_S_OK) exit(-1); rc = mco_db_open_dev( dbname, simpledb_get_dictionary(), &dev, 1, &db_params ); if ( MCO_S_OK != rc ) { rc = mco_db_connect( dbname, &db ); ... rc = mco_db_clean( db ); ... } }