symbian-qemu-0.9.1-12/python-2.6.1/Doc/includes/sqlite3/mysumaggr.py
author Mike Kinghan <mikek@symbian.org>
Fri, 19 Nov 2010 16:17:17 +0000
branchGCC_SURGE
changeset 131 aa939c1eee2f
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Add configuration option to the base/rom extension to make the toolchain (ARMCC/GCCE) known to the preprocessor stage of romb build.

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]