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author | Kali Kaneko <kali@futeisha.org> | 2013-02-04 19:20:12 +0900 |
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committer | Kali Kaneko <kali@futeisha.org> | 2013-02-04 19:20:12 +0900 |
commit | 4189e53a881e52de0945375a72b8748143c5bd13 (patch) | |
tree | 23ed8e0600dc3c62da7a95e50f778c79a9be1e75 /doc/includes/sqlite3/mysumaggr.py |
initial commit
Diffstat (limited to 'doc/includes/sqlite3/mysumaggr.py')
-rw-r--r-- | doc/includes/sqlite3/mysumaggr.py | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/doc/includes/sqlite3/mysumaggr.py b/doc/includes/sqlite3/mysumaggr.py new file mode 100644 index 0000000..4fbcad5 --- /dev/null +++ b/doc/includes/sqlite3/mysumaggr.py @@ -0,0 +1,20 @@ +from pysqlite2 import dbapi2 as sqlite3 + +class MySum: + def __init__(self): + self.count = 0 + + def step(self, value): + self.count += value + + def finalize(self): + return self.count + +con = sqlite3.connect(":memory:") +con.create_aggregate("mysum", 1, MySum) +cur = con.cursor() +cur.execute("create table test(i)") +cur.execute("insert into test(i) values (1)") +cur.execute("insert into test(i) values (2)") +cur.execute("select mysum(i) from test") +print cur.fetchone()[0] |