func getColSlice()

in plugins/inputs/mysql/mysql.go [1066:1209]
139 lines of code
5 McCabe index (conditional complexity)

func getColSlice(l int) ([]interface{}, error) {
	// list of all possible column names
	var (
		user                     string
		totalConnections         int64
		concurrentConnections    int64
		connectedTime            int64
		busyTime                 int64
		cpuTime                  int64
		bytesReceived            int64
		bytesSent                int64
		binlogBytesWritten       int64
		rowsRead                 int64
		rowsSent                 int64
		rowsDeleted              int64
		rowsInserted             int64
		rowsUpdated              int64
		selectCommands           int64
		updateCommands           int64
		otherCommands            int64
		commitTransactions       int64
		rollbackTransactions     int64
		deniedConnections        int64
		lostConnections          int64
		accessDenied             int64
		emptyQueries             int64
		totalSslConnections      int64
		maxStatementTimeExceeded int64
		// maria specific
		fbusyTime float64
		fcpuTime  float64
		// percona specific
		rowsFetched   int64
		tableRowsRead int64
	)

	switch l {
	case 23: // maria5
		return []interface{}{
			&user,
			&totalConnections,
			&concurrentConnections,
			&connectedTime,
			&fbusyTime,
			&fcpuTime,
			&bytesReceived,
			&bytesSent,
			&binlogBytesWritten,
			&rowsRead,
			&rowsSent,
			&rowsDeleted,
			&rowsInserted,
			&rowsUpdated,
			&selectCommands,
			&updateCommands,
			&otherCommands,
			&commitTransactions,
			&rollbackTransactions,
			&deniedConnections,
			&lostConnections,
			&accessDenied,
			&emptyQueries,
		}, nil
	case 25: // maria10
		return []interface{}{
			&user,
			&totalConnections,
			&concurrentConnections,
			&connectedTime,
			&fbusyTime,
			&fcpuTime,
			&bytesReceived,
			&bytesSent,
			&binlogBytesWritten,
			&rowsRead,
			&rowsSent,
			&rowsDeleted,
			&rowsInserted,
			&rowsUpdated,
			&selectCommands,
			&updateCommands,
			&otherCommands,
			&commitTransactions,
			&rollbackTransactions,
			&deniedConnections,
			&lostConnections,
			&accessDenied,
			&emptyQueries,
			&totalSslConnections,
			&maxStatementTimeExceeded,
		}, nil
	case 21: // mysql 5.5
		return []interface{}{
			&user,
			&totalConnections,
			&concurrentConnections,
			&connectedTime,
			&busyTime,
			&cpuTime,
			&bytesReceived,
			&bytesSent,
			&binlogBytesWritten,
			&rowsFetched,
			&rowsUpdated,
			&tableRowsRead,
			&selectCommands,
			&updateCommands,
			&otherCommands,
			&commitTransactions,
			&rollbackTransactions,
			&deniedConnections,
			&lostConnections,
			&accessDenied,
			&emptyQueries,
		}, nil
	case 22: // percona
		return []interface{}{
			&user,
			&totalConnections,
			&concurrentConnections,
			&connectedTime,
			&busyTime,
			&cpuTime,
			&bytesReceived,
			&bytesSent,
			&binlogBytesWritten,
			&rowsFetched,
			&rowsUpdated,
			&tableRowsRead,
			&selectCommands,
			&updateCommands,
			&otherCommands,
			&commitTransactions,
			&rollbackTransactions,
			&deniedConnections,
			&lostConnections,
			&accessDenied,
			&emptyQueries,
			&totalSslConnections,
		}, nil
	}

	return nil, fmt.Errorf("not Supported - %d columns", l)
}