def test_increment_restart(pg):
table = "inc_re"
src = Stream.from_postgres_increment(table,
pg,
initial_value=30,
polling_interval=1,
limit=10)
L = src.sink_to_list()
w = Writer(src.strategy.loader.connection, table)
w.create_table()
w.insert(50)
src.start()
wait_for(lambda: len(L) == 20, 1, period=0.1)
def test_increment(pg):
table = "inc"
src = Stream.from_postgres_increment(table, pg, polling_interval=1)
L = src.sink_to_list()
w = Writer(src.strategy.loader.connection, table)
w.create_table()
w.insert(10)
src.start()
wait_for(lambda: len(L) == 10, 2, period=0.1)
w.update(5) # updates are not captured
w.insert(8)
wait_for(lambda: len(L) == 18, 2, period=0.1)
w.insert(2)
wait_for(lambda: len(L) == 20, 2, period=0.1)