# Entscheidung welcher Participant
def quest():
    while True:
        try:
            num = int(input('0 = alle Partisypants\nGebe paticipant an:'))

            if num == 0:
                return ''
            else:
                outfile = ' where participant_id = '
                num = str(num)
                outfile+= num
                return outfile
        except:
            print("Muss ein int sein")
# Erstellt den Command
def creator(num):
    if num == '2':
        #event
        outfile = 'SELECT * FROM ex_42.eem_event'
        outfile+= quest()
        outfile+= ' order by sample_time;'
        return outfile
    elif num == '1':
        #track
        outfile = 'select participant_id, sample_time,  pos_lon,  pos_lat,  pos_z from ex_42.rec_participant_position'
        outfile+= quest()
        outfile+= ' order by participant_id;'
        return outfile
# Erstellt die Datei
def statement(num):
    with open('statement.spl','w') as datei:
        datei.write(creator(num))