diff options
Diffstat (limited to 'synapse/storage')
| -rw-r--r-- | synapse/storage/client_ips.py | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/synapse/storage/client_ips.py b/synapse/storage/client_ips.py index c485211175..78721a941a 100644 --- a/synapse/storage/client_ips.py +++ b/synapse/storage/client_ips.py @@ -140,16 +140,8 @@ class ClientIpStore(background_updates.BackgroundUpdateStore): "user_ips_dups_get_last_seen", get_last_seen ) - if end_last_seen is None: - # If we get a None then we're reaching the end and just need to - # delete the last batch. - last = True - - # We fake not having an upper bound by using a future date, by - # just multiplying the current time by two.... - last_seen = int(self.clock.time_msec()) * 2 - else: - last = False + # If it returns None, then we're processing the last batch + last = end_last_seen is None def remove(txn): # This works by looking at all entries in the given time span, and @@ -160,6 +152,16 @@ class ClientIpStore(background_updates.BackgroundUpdateStore): # all other duplicates. # It is efficient due to the existence of (user_id, access_token, # ip) and (last_seen) indices. + + # Define the search space, which requires handling the last batch in + # a different way + if last: + clause = "? <= last_seen" + args = (begin_last_seen,) + else: + clause = "? <= last_seen AND last_seen < ?" + args = (begin_last_seen, end_last_seen) + txn.execute( """ SELECT user_id, access_token, ip, @@ -167,13 +169,14 @@ class ClientIpStore(background_updates.BackgroundUpdateStore): FROM ( SELECT user_id, access_token, ip FROM user_ips - WHERE ? <= last_seen AND last_seen < ? + WHERE {} ORDER BY last_seen ) c INNER JOIN user_ips USING (user_id, access_token, ip) GROUP BY user_id, access_token, ip - HAVING count(*) > 1""", - (begin_last_seen, end_last_seen) + HAVING count(*) > 1 + """.format(clause), + args ) res = txn.fetchall() |