ref: 34f5a8333090c5090e1d0b6ddbaf900d64340eea
dir: /sys/src/cmd/python/Doc/lib/sqlite3/adapter_point_1.py/
import sqlite3 class Point(object): def __init__(self, x, y): self.x, self.y = x, y def __conform__(self, protocol): if protocol is sqlite3.PrepareProtocol: return "%f;%f" % (self.x, self.y) con = sqlite3.connect(":memory:") cur = con.cursor() p = Point(4.0, -3.2) cur.execute("select ?", (p,)) print cur.fetchone()[0]