From 8740e4e94a6de62680db2b6c7b9f9bfda244d8ae Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 13 Jan 2016 11:37:17 +0000 Subject: bulk_get_push_rules should handle empty lists --- synapse/storage/push_rule.py | 34 +++++++++++++--------------------- 1 file changed, 13 insertions(+), 21 deletions(-) (limited to 'synapse/storage') diff --git a/synapse/storage/push_rule.py b/synapse/storage/push_rule.py index 0829262f42..24d137f8ca 100644 --- a/synapse/storage/push_rule.py +++ b/synapse/storage/push_rule.py @@ -57,43 +57,35 @@ class PushRuleStore(SQLBaseStore): @defer.inlineCallbacks def bulk_get_push_rules(self, user_ids): + if not user_ids: + defer.returnValue({}) + batch_size = 100 def f(txn, user_ids_to_fetch): sql = ( - "SELECT " + - ",".join("pr."+x for x in PushRuleTable.fields) + - " FROM " + PushRuleTable.table_name + " pr " + - " LEFT JOIN " + PushRuleEnableTable.table_name + " pre " + - " ON pr.user_name = pre.user_name and pr.rule_id = pre.rule_id " + - " WHERE pr.user_name " + + "SELECT pr.*" + " FROM push_rules as pr " + " LEFT JOIN push_rules_enable as pre " + " ON pr.user_name = pre.user_name and pr.rule_id = pre.rule_id " + " WHERE pr.user_name " " IN (" + ",".join("?" for _ in user_ids_to_fetch) + ")" " AND (pre.enabled is null or pre.enabled = 1)" " ORDER BY pr.user_name, pr.priority_class DESC, pr.priority DESC" ) txn.execute(sql, user_ids_to_fetch) - return txn.fetchall() + return self.cursor_to_dict(txn) results = {} - batch_start = 0 - while batch_start < len(user_ids): - batch_end = min(len(user_ids), batch_size) - batch_user_ids = user_ids[batch_start:batch_end] - batch_start = batch_end - + chunks = [user_ids[i:i+batch_size] for i in xrange(0, len(user_ids), batch_size)] + for batch_user_ids in chunks: rows = yield self.runInteraction( "bulk_get_push_rules", f, batch_user_ids ) - for r in rows: - rawdict = { - PushRuleTable.fields[i]: r[i] for i in range(len(r)) - } - - if rawdict['user_name'] not in results: - results[rawdict['user_name']] = [] - results[rawdict['user_name']].append(rawdict) + for row in rows: + results.setdefault(row['user_name'], []).append(row) defer.returnValue(results) @defer.inlineCallbacks -- cgit 1.4.1