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Tip revision: b87d6000f38e6158bbe1d9df5c6136f27aeace12 authored by Ned Deily on 15 August 2016, 20:21:29 UTC
Version bump for 3.6.0a4
Tip revision: b87d600
mysumaggr.py
import 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])
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