public TrackerDatabaseSize getDatabaseSize (string databaseName) {
TrackerDatabaseSize trackerDatabaseSize = new TrackerDatabaseSize();
try {
mysqlConnection = new MySqlConnection(database.getConnectionString());
mysqlConnection.Open();
string sql =
"SELECT table_schema \"databaseName\", " +
"sum( data_length + index_length ) / 1024 / 1024 \"databaseSize\", " +
"sum( data_free )/ 1024 / 1024 \"databaseFreeSpace\" " +
"FROM information_schema.TABLES " +
"WHERE table_schema LIKE @databaseName;";
MySqlCommand mySqlCommand = new MySqlCommand(sql, mysqlConnection);
mySqlCommand.Parameters.AddWithValue("@databaseName", databaseName);
MySqlDataReader mySqlDataReader = mySqlCommand.ExecuteReader();
if (!mySqlDataReader.HasRows) {
mySqlDataReader.Dispose();
throw new QueryException(1, "No database.");
} else {
mySqlDataReader.Read();
trackerDatabaseSize.Name = mySqlDataReader.GetString("databaseName");
trackerDatabaseSize.DatabaseSize = mySqlDataReader.GetDouble("databaseSize");
trackerDatabaseSize.DatabaseFreeSpace = mySqlDataReader.GetDouble("databaseFreeSpace");
}
} catch (MySqlException mySqlException) {
throw new QueryException(1, mySqlException.Message);
} catch (QueryException queryException) {
throw queryException;
} catch (Exception exception) {
throw new QueryException(1, exception.Message);
} finally {
mysqlConnection.Close();
}
return trackerDatabaseSize;
}
public TrackerDatabaseSizeItem(TrackerDatabaseSize trackerDatabaseSize) {
this.trackerDatabaseSize = trackerDatabaseSize;
}
public ConcurrentQueue<TrackerDatabaseSize> getDatabasesSize () {
ConcurrentQueue<TrackerDatabaseSize> trackerDatabaseSizes = new ConcurrentQueue<TrackerDatabaseSize>();
try {
mysqlConnection = new MySqlConnection(database.getConnectionString());
mysqlConnection.Open();
string sql =
"SELECT table_schema \"databaseName\", " +
"sum( data_length + index_length ) / 1024 / 1024 \"databaseSize\", " +
"sum( data_free )/ 1024 / 1024 \"databaseFreeSpace\" " +
"FROM information_schema.TABLES " +
"WHERE table_schema LIKE \"trk_%\" OR table_schema LIKE \"dbt_%\" " +
"GROUP BY table_schema ;";
MySqlCommand mySqlCommand = new MySqlCommand(sql, mysqlConnection);
MySqlDataReader mySqlDataReader = mySqlCommand.ExecuteReader();
if (!mySqlDataReader.HasRows) {
mySqlDataReader.Dispose();
throw new QueryException(1, "No database.");
} else {
while (mySqlDataReader.Read()) {
TrackerDatabaseSize trackerDatabaseSize = new TrackerDatabaseSize();
trackerDatabaseSize.Name = mySqlDataReader.GetString("databaseName");
trackerDatabaseSize.DatabaseSize = mySqlDataReader.GetDouble("databaseSize");
trackerDatabaseSize.DatabaseFreeSpace = mySqlDataReader.GetDouble("databaseFreeSpace");
trackerDatabaseSizes.Enqueue(trackerDatabaseSize);
}
}
} catch (MySqlException mySqlException) {
throw new QueryException(1, mySqlException.Message);
} catch (QueryException queryException) {
throw queryException;
} catch (Exception exception) {
throw new QueryException(1, exception.Message);
} finally {
mysqlConnection.Close();
}
return trackerDatabaseSizes;
}