python_para_desenvolvedores_2ed

Banco de dados 173
# Realiza uma consulta no banco
qry = con.query('select * from tracks')
# Pega a lista de campos
flds = qry.listfields()
# Mostra os resultados
for rec in qry.dictresult():
for fld in flds:
print '%s: %s' % (fld, rec[fld])
print
con.close()
Saída:
id: 1
track: Kashmir
band: Led Zeppelin
id: 2
track: Starless
band: King Crimson
Exemplo usando o Psycopg:
import psycopg2
# Para bancos de dados locais (via Unix Domain Sockets)
#con = psycopg2.connect(database='music')
# Via TCP/IP
con = psycopg2.connect(host='tao', database='music',
user='pg', password='#@!$%&')
cur = con.cursor()
sql = 'insert into tracks values (default, %s, %s)'
recset = [('Siberian Khatru', 'Yes'),
("Supper's Ready", 'Genesis')]
for rec in recset:
cur.execute(sql, rec)
con.commit()