diff --git a/synapse/storage/room.py b/synapse/storage/room.py
index 08e13f3a3b..43cc56fa6f 100644
--- a/synapse/storage/room.py
+++ b/synapse/storage/room.py
@@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
+# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -16,6 +17,7 @@
import collections
import logging
import re
+from typing import Optional, Tuple
from canonicaljson import json
@@ -24,6 +26,7 @@ from twisted.internet import defer
from synapse.api.errors import StoreError
from synapse.storage._base import SQLBaseStore
from synapse.storage.search import SearchStore
+from synapse.types import ThirdPartyInstanceID
from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
logger = logging.getLogger(__name__)
@@ -63,103 +66,196 @@ class RoomWorkerStore(SQLBaseStore):
desc="get_public_room_ids",
)
- @cached(num_args=2, max_entries=100)
- def get_public_room_ids_at_stream_id(self, stream_id, network_tuple):
- """Get pulbic rooms for a particular list, or across all lists.
+ def count_public_rooms(self, network_tuple, ignore_non_federatable):
+ """Counts the number of public rooms as tracked in the room_stats_current
+ and room_stats_state table.
Args:
- stream_id (int)
- network_tuple (ThirdPartyInstanceID): The list to use (None, None)
- means the main list, None means all lsits.
+ network_tuple (ThirdPartyInstanceID|None)
+ ignore_non_federatable (bool): If true filters out non-federatable rooms
"""
- return self.runInteraction(
- "get_public_room_ids_at_stream_id",
- self.get_public_room_ids_at_stream_id_txn,
- stream_id,
- network_tuple=network_tuple,
- )
-
- def get_public_room_ids_at_stream_id_txn(self, txn, stream_id, network_tuple):
- return {
- rm
- for rm, vis in self.get_published_at_stream_id_txn(
- txn, stream_id, network_tuple=network_tuple
- ).items()
- if vis
- }
- def get_published_at_stream_id_txn(self, txn, stream_id, network_tuple):
- if network_tuple:
- # We want to get from a particular list. No aggregation required.
+ def _count_public_rooms_txn(txn):
+ query_args = []
+
+ if network_tuple:
+ if network_tuple.appservice_id:
+ published_sql = """
+ SELECT room_id from appservice_room_list
+ WHERE appservice_id = ? AND network_id = ?
+ """
+ query_args.append(network_tuple.appservice_id)
+ query_args.append(network_tuple.network_id)
+ else:
+ published_sql = """
+ SELECT room_id FROM rooms WHERE is_public
+ """
+ else:
+ published_sql = """
+ SELECT room_id FROM rooms WHERE is_public
+ UNION SELECT room_id from appservice_room_list
+ """
sql = """
- SELECT room_id, visibility FROM public_room_list_stream
- INNER JOIN (
- SELECT room_id, max(stream_id) AS stream_id
- FROM public_room_list_stream
- WHERE stream_id <= ? %s
- GROUP BY room_id
- ) grouped USING (room_id, stream_id)
+ SELECT
+ COALESCE(COUNT(*), 0)
+ FROM (
+ %(published_sql)s
+ ) published
+ INNER JOIN room_stats_state USING (room_id)
+ INNER JOIN room_stats_current USING (room_id)
+ WHERE
+ (
+ join_rules = 'public' OR history_visibility = 'world_readable'
+ )
+ AND joined_members > 0
+ """ % {
+ "published_sql": published_sql
+ }
+
+ txn.execute(sql, query_args)
+ return txn.fetchone()[0]
+
+ return self.runInteraction("count_public_rooms", _count_public_rooms_txn)
+
+ @defer.inlineCallbacks
+ def get_largest_public_rooms(
+ self,
+ network_tuple: Optional[ThirdPartyInstanceID],
+ search_filter: Optional[dict],
+ limit: Optional[int],
+ bounds: Optional[Tuple[int, str]],
+ forwards: bool,
+ ignore_non_federatable: bool = False,
+ ):
+ """Gets the largest public rooms (where largest is in terms of joined
+ members, as tracked in the statistics table).
+
+ Args:
+ network_tuple
+ search_filter
+ limit: Maxmimum number of rows to return, unlimited otherwise.
+ bounds: An uppoer or lower bound to apply to result set if given,
+ consists of a joined member count and room_id (these are
+ excluded from result set).
+ forwards: true iff going forwards, going backwards otherwise
+ ignore_non_federatable: If true filters out non-federatable rooms.
+
+ Returns:
+ Rooms in order: biggest number of joined users first.
+ We then arbitrarily use the room_id as a tie breaker.
+
+ """
+
+ where_clauses = []
+ query_args = []
+
+ if network_tuple:
+ if network_tuple.appservice_id:
+ published_sql = """
+ SELECT room_id from appservice_room_list
+ WHERE appservice_id = ? AND network_id = ?
+ """
+ query_args.append(network_tuple.appservice_id)
+ query_args.append(network_tuple.network_id)
+ else:
+ published_sql = """
+ SELECT room_id FROM rooms WHERE is_public
+ """
+ else:
+ published_sql = """
+ SELECT room_id FROM rooms WHERE is_public
+ UNION SELECT room_id from appservice_room_list
"""
- if network_tuple.appservice_id is not None:
- txn.execute(
- sql % ("AND appservice_id = ? AND network_id = ?",),
- (stream_id, network_tuple.appservice_id, network_tuple.network_id),
+ # Work out the bounds if we're given them, these bounds look slightly
+ # odd, but are designed to help query planner use indices by pulling
+ # out a common bound.
+ if bounds:
+ last_joined_members, last_room_id = bounds
+ if forwards:
+ where_clauses.append(
+ """
+ joined_members <= ? AND (
+ joined_members < ? OR room_id < ?
+ )
+ """
)
else:
- txn.execute(sql % ("AND appservice_id IS NULL",), (stream_id,))
- return dict(txn)
- else:
- # We want to get from all lists, so we need to aggregate the results
+ where_clauses.append(
+ """
+ joined_members >= ? AND (
+ joined_members > ? OR room_id > ?
+ )
+ """
+ )
- logger.info("Executing full list")
+ query_args += [last_joined_members, last_joined_members, last_room_id]
- sql = """
- SELECT room_id, visibility
- FROM public_room_list_stream
- INNER JOIN (
- SELECT
- room_id, max(stream_id) AS stream_id, appservice_id,
- network_id
- FROM public_room_list_stream
- WHERE stream_id <= ?
- GROUP BY room_id, appservice_id, network_id
- ) grouped USING (room_id, stream_id)
- """
+ if ignore_non_federatable:
+ where_clauses.append("is_federatable")
- txn.execute(sql, (stream_id,))
+ if search_filter and search_filter.get("generic_search_term", None):
+ search_term = "%" + search_filter["generic_search_term"] + "%"
- results = {}
- # A room is visible if its visible on any list.
- for room_id, visibility in txn:
- results[room_id] = bool(visibility) or results.get(room_id, False)
+ where_clauses.append(
+ """
+ (
+ name LIKE ?
+ OR topic LIKE ?
+ OR canonical_alias LIKE ?
+ )
+ """
+ )
+ query_args += [search_term, search_term, search_term]
+
+ where_clause = ""
+ if where_clauses:
+ where_clause = " AND " + " AND ".join(where_clauses)
+
+ sql = """
+ SELECT
+ room_id, name, topic, canonical_alias, joined_members,
+ avatar, history_visibility, joined_members, guest_access
+ FROM (
+ %(published_sql)s
+ ) published
+ INNER JOIN room_stats_state USING (room_id)
+ INNER JOIN room_stats_current USING (room_id)
+ WHERE
+ (
+ join_rules = 'public' OR history_visibility = 'world_readable'
+ )
+ AND joined_members > 0
+ %(where_clause)s
+ ORDER BY joined_members %(dir)s, room_id %(dir)s
+ """ % {
+ "published_sql": published_sql,
+ "where_clause": where_clause,
+ "dir": "DESC" if forwards else "ASC",
+ }
- return results
+ if limit is not None:
+ query_args.append(limit)
- def get_public_room_changes(self, prev_stream_id, new_stream_id, network_tuple):
- def get_public_room_changes_txn(txn):
- then_rooms = self.get_public_room_ids_at_stream_id_txn(
- txn, prev_stream_id, network_tuple
- )
+ sql += """
+ LIMIT ?
+ """
- now_rooms_dict = self.get_published_at_stream_id_txn(
- txn, new_stream_id, network_tuple
- )
+ def _get_largest_public_rooms_txn(txn):
+ txn.execute(sql, query_args)
- now_rooms_visible = set(rm for rm, vis in now_rooms_dict.items() if vis)
- now_rooms_not_visible = set(
- rm for rm, vis in now_rooms_dict.items() if not vis
- )
+ results = self.cursor_to_dict(txn)
- newly_visible = now_rooms_visible - then_rooms
- newly_unpublished = now_rooms_not_visible & then_rooms
+ if not forwards:
+ results.reverse()
- return newly_visible, newly_unpublished
+ return results
- return self.runInteraction(
- "get_public_room_changes", get_public_room_changes_txn
+ ret_val = yield self.runInteraction(
+ "get_largest_public_rooms", _get_largest_public_rooms_txn
)
+ defer.returnValue(ret_val)
@cached(max_entries=10000)
def is_room_blocked(self, room_id):
|
