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from pysqlite2 import dbapi2 as sqlite3
def progress():
print "Query still executing. Please wait ..."
con = sqlite3.connect(":memory:")
con.execute("create table test(x)")
# Let's create some data
con.executemany("insert into test(x) values (?)", [(x,) for x in xrange(300)])
# A progress handler, executed every 10 million opcodes
con.set_progress_handler(progress, 10000000)
# A particularly long-running query
killer_stament = """
select count(*) from (
select t1.x from test t1, test t2, test t3
)
"""
con.execute(killer_stament)
print "-" * 50
# Clear the progress handler
con.set_progress_handler(None, 0)
con.execute(killer_stament)
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