#!/usr/bin/python

import sqlite3

con = sqlite3.connect("test.db")
con.execute("PRAGMA journal_mode=wal")
cur = con.cursor()
cur.execute("CREATE TABLE cards (idx INTEGER PRIMARY KEY, weight INTEGER, key TEXT, val TEXT)")
for i in range(10**8):
    cur.execute("INSERT INTO cards VALUES(?, ?, ?, ?)", (i, 1, i, i))
con.commit()