Mercurial > cpython-lru_cache-weakref
annotate Doc/includes/sqlite3/execsql_fetchonerow.py @ 57114:d3a81051663b
importlib.test.source.util referenced variables in the 'finally' part of a
try/finally which may not have been set.
| author | Brett Cannon <bcannon@gmail.com> |
|---|---|
| date | Thu, 05 Nov 2009 01:17:22 +0000 |
| parents | 9e1529bf0442 |
| children |
| rev | line source |
|---|---|
|
42604
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
1 import sqlite3 |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
2 |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
3 con = sqlite3.connect("mydb") |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
4 |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
5 cur = con.cursor() |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
6 SELECT = "select name_last, age from people order by age, name_last" |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
7 |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
8 # 1. Iterate over the rows available from the cursor, unpacking the |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
9 # resulting sequences to yield their elements (name_last, age): |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
10 cur.execute(SELECT) |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
11 for (name_last, age) in cur: |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
12 print('%s is %d years old.' % (name_last, age)) |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
13 |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
14 # 2. Equivalently: |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
15 cur.execute(SELECT) |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
16 for row in cur: |
|
9e1529bf0442
Move the 3k reST doc tree in place.
Georg Brandl <georg@python.org>
parents:
diff
changeset
|
17 print('%s is %d years old.' % (row[0], row[1])) |
