Merge pull request #2848 from matrix-org/rav/refactor_search_insert

Factor out common code for search insert
This commit is contained in:
Richard van der Hoff 2018-02-05 17:42:09 +01:00 committed by GitHub
commit 9a304ef2b0
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2 changed files with 94 additions and 59 deletions

View File

@ -16,11 +16,9 @@
from twisted.internet import defer
from synapse.api.errors import StoreError
from synapse.storage.search import SearchStore
from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
from ._base import SQLBaseStore
from .engines import PostgresEngine, Sqlite3Engine
import collections
import logging
import ujson as json
@ -40,7 +38,7 @@ RatelimitOverride = collections.namedtuple(
)
class RoomStore(SQLBaseStore):
class RoomStore(SearchStore):
@defer.inlineCallbacks
def store_room(self, room_id, room_creator_user_id, is_public):
@ -263,8 +261,8 @@ class RoomStore(SQLBaseStore):
},
)
self._store_event_search_txn(
txn, event, "content.topic", event.content["topic"]
self.store_event_search_txn(
txn, event, "content.topic", event.content["topic"],
)
def _store_room_name_txn(self, txn, event):
@ -279,14 +277,14 @@ class RoomStore(SQLBaseStore):
}
)
self._store_event_search_txn(
txn, event, "content.name", event.content["name"]
self.store_event_search_txn(
txn, event, "content.name", event.content["name"],
)
def _store_room_message_txn(self, txn, event):
if hasattr(event, "content") and "body" in event.content:
self._store_event_search_txn(
txn, event, "content.body", event.content["body"]
self.store_event_search_txn(
txn, event, "content.body", event.content["body"],
)
def _store_history_visibility_txn(self, txn, event):
@ -308,31 +306,6 @@ class RoomStore(SQLBaseStore):
event.content[key]
))
def _store_event_search_txn(self, txn, event, key, value):
if isinstance(self.database_engine, PostgresEngine):
sql = (
"INSERT INTO event_search"
" (event_id, room_id, key, vector, stream_ordering, origin_server_ts)"
" VALUES (?,?,?,to_tsvector('english', ?),?,?)"
)
txn.execute(
sql,
(
event.event_id, event.room_id, key, value,
event.internal_metadata.stream_ordering,
event.origin_server_ts,
)
)
elif isinstance(self.database_engine, Sqlite3Engine):
sql = (
"INSERT INTO event_search (event_id, room_id, key, value)"
" VALUES (?,?,?,?)"
)
txn.execute(sql, (event.event_id, event.room_id, key, value,))
else:
# This should be unreachable.
raise Exception("Unrecognized database engine")
def add_event_report(self, room_id, event_id, user_id, reason, content,
received_ts):
next_id = self._event_reports_id_gen.get_next()

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@ -13,19 +13,25 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from collections import namedtuple
import logging
import re
import ujson as json
from twisted.internet import defer
from .background_updates import BackgroundUpdateStore
from synapse.api.errors import SynapseError
from synapse.storage.engines import PostgresEngine, Sqlite3Engine
import logging
import re
import ujson as json
logger = logging.getLogger(__name__)
SearchEntry = namedtuple('SearchEntry', [
'key', 'value', 'event_id', 'room_id', 'stream_ordering',
'origin_server_ts',
])
class SearchStore(BackgroundUpdateStore):
@ -49,16 +55,17 @@ class SearchStore(BackgroundUpdateStore):
@defer.inlineCallbacks
def _background_reindex_search(self, progress, batch_size):
# we work through the events table from highest stream id to lowest
target_min_stream_id = progress["target_min_stream_id_inclusive"]
max_stream_id = progress["max_stream_id_exclusive"]
rows_inserted = progress.get("rows_inserted", 0)
INSERT_CLUMP_SIZE = 1000
TYPES = ["m.room.name", "m.room.message", "m.room.topic"]
def reindex_search_txn(txn):
sql = (
"SELECT stream_ordering, event_id, room_id, type, content FROM events"
"SELECT stream_ordering, event_id, room_id, type, content, "
" origin_server_ts FROM events"
" WHERE ? <= stream_ordering AND stream_ordering < ?"
" AND (%s)"
" ORDER BY stream_ordering DESC"
@ -67,6 +74,10 @@ class SearchStore(BackgroundUpdateStore):
txn.execute(sql, (target_min_stream_id, max_stream_id, batch_size))
# we could stream straight from the results into
# store_search_entries_txn with a generator function, but that
# would mean having two cursors open on the database at once.
# Instead we just build a list of results.
rows = self.cursor_to_dict(txn)
if not rows:
return 0
@ -79,6 +90,8 @@ class SearchStore(BackgroundUpdateStore):
event_id = row["event_id"]
room_id = row["room_id"]
etype = row["type"]
stream_ordering = row["stream_ordering"]
origin_server_ts = row["origin_server_ts"]
try:
content = json.loads(row["content"])
except Exception:
@ -93,6 +106,8 @@ class SearchStore(BackgroundUpdateStore):
elif etype == "m.room.name":
key = "content.name"
value = content["name"]
else:
raise Exception("unexpected event type %s" % etype)
except (KeyError, AttributeError):
# If the event is missing a necessary field then
# skip over it.
@ -103,25 +118,16 @@ class SearchStore(BackgroundUpdateStore):
# then skip over it
continue
event_search_rows.append((event_id, room_id, key, value))
event_search_rows.append(SearchEntry(
key=key,
value=value,
event_id=event_id,
room_id=room_id,
stream_ordering=stream_ordering,
origin_server_ts=origin_server_ts,
))
if isinstance(self.database_engine, PostgresEngine):
sql = (
"INSERT INTO event_search (event_id, room_id, key, vector)"
" VALUES (?,?,?,to_tsvector('english', ?))"
)
elif isinstance(self.database_engine, Sqlite3Engine):
sql = (
"INSERT INTO event_search (event_id, room_id, key, value)"
" VALUES (?,?,?,?)"
)
else:
# This should be unreachable.
raise Exception("Unrecognized database engine")
for index in range(0, len(event_search_rows), INSERT_CLUMP_SIZE):
clump = event_search_rows[index:index + INSERT_CLUMP_SIZE]
txn.executemany(sql, clump)
self.store_search_entries_txn(txn, event_search_rows)
progress = {
"target_min_stream_id_inclusive": target_min_stream_id,
@ -242,6 +248,62 @@ class SearchStore(BackgroundUpdateStore):
defer.returnValue(num_rows)
def store_event_search_txn(self, txn, event, key, value):
"""Add event to the search table
Args:
txn (cursor):
event (EventBase):
key (str):
value (str):
"""
self.store_search_entries_txn(
txn,
(SearchEntry(
key=key,
value=value,
event_id=event.event_id,
room_id=event.room_id,
stream_ordering=event.internal_metadata.stream_ordering,
origin_server_ts=event.origin_server_ts,
),),
)
def store_search_entries_txn(self, txn, entries):
"""Add entries to the search table
Args:
txn (cursor):
entries (iterable[SearchEntry]):
entries to be added to the table
"""
if isinstance(self.database_engine, PostgresEngine):
sql = (
"INSERT INTO event_search"
" (event_id, room_id, key, vector, stream_ordering, origin_server_ts)"
" VALUES (?,?,?,to_tsvector('english', ?),?,?)"
)
args = ((
entry.event_id, entry.room_id, entry.key, entry.value,
entry.stream_ordering, entry.origin_server_ts,
) for entry in entries)
txn.executemany(sql, args)
elif isinstance(self.database_engine, Sqlite3Engine):
sql = (
"INSERT INTO event_search (event_id, room_id, key, value)"
" VALUES (?,?,?,?)"
)
args = ((
entry.event_id, entry.room_id, entry.key, entry.value,
) for entry in entries)
txn.executemany(sql, args)
else:
# This should be unreachable.
raise Exception("Unrecognized database engine")
@defer.inlineCallbacks
def search_msgs(self, room_ids, search_term, keys):
"""Performs a full text search over events with given keys.