diff --git a/synapse/storage/databases/main/event_push_actions.py b/synapse/storage/databases/main/event_push_actions.py
index eeccf5db24..ab8f354dc1 100644
--- a/synapse/storage/databases/main/event_push_actions.py
+++ b/synapse/storage/databases/main/event_push_actions.py
@@ -100,7 +100,6 @@ from synapse.storage.database import (
)
from synapse.storage.databases.main.receipts import ReceiptsWorkerStore
from synapse.storage.databases.main.stream import StreamWorkerStore
-from synapse.types import JsonDict
from synapse.util import json_encoder
from synapse.util.caches.descriptors import cached
@@ -289,180 +288,22 @@ class EventPushActionsWorkerStore(ReceiptsWorkerStore, StreamWorkerStore, SQLBas
unique=True,
)
- self.db_pool.updates.register_background_update_handler(
- "event_push_backfill_thread_id",
- self._background_backfill_thread_id,
+ self.db_pool.updates.register_background_validate_constraint(
+ "event_push_actions_staging_thread_id",
+ constraint_name="event_push_actions_staging_thread_id",
+ table="event_push_actions_staging",
)
-
- # Indexes which will be used to quickly make the thread_id column non-null.
- self.db_pool.updates.register_background_index_update(
- "event_push_actions_thread_id_null",
- index_name="event_push_actions_thread_id_null",
+ self.db_pool.updates.register_background_validate_constraint(
+ "event_push_actions_thread_id",
+ constraint_name="event_push_actions_thread_id",
table="event_push_actions",
- columns=["thread_id"],
- where_clause="thread_id IS NULL",
)
- self.db_pool.updates.register_background_index_update(
- "event_push_summary_thread_id_null",
- index_name="event_push_summary_thread_id_null",
+ self.db_pool.updates.register_background_validate_constraint(
+ "event_push_summary_thread_id",
+ constraint_name="event_push_summary_thread_id",
table="event_push_summary",
- columns=["thread_id"],
- where_clause="thread_id IS NULL",
)
- # Check ASAP (and then later, every 1s) to see if we have finished
- # background updates the event_push_actions and event_push_summary tables.
- self._clock.call_later(0.0, self._check_event_push_backfill_thread_id)
- self._event_push_backfill_thread_id_done = False
-
- @wrap_as_background_process("check_event_push_backfill_thread_id")
- async def _check_event_push_backfill_thread_id(self) -> None:
- """
- Has thread_id finished backfilling?
-
- If not, we need to just-in-time update it so the queries work.
- """
- done = await self.db_pool.updates.has_completed_background_update(
- "event_push_backfill_thread_id"
- )
-
- if done:
- self._event_push_backfill_thread_id_done = True
- else:
- # Reschedule to run.
- self._clock.call_later(15.0, self._check_event_push_backfill_thread_id)
-
- async def _background_backfill_thread_id(
- self, progress: JsonDict, batch_size: int
- ) -> int:
- """
- Fill in the thread_id field for event_push_actions and event_push_summary.
-
- This is preparatory so that it can be made non-nullable in the future.
-
- Because all current (null) data is done in an unthreaded manner this
- simply assumes it is on the "main" timeline. Since event_push_actions
- are periodically cleared it is not possible to correctly re-calculate
- the thread_id.
- """
- event_push_actions_done = progress.get("event_push_actions_done", False)
-
- def add_thread_id_txn(
- txn: LoggingTransaction, start_stream_ordering: int
- ) -> int:
- sql = """
- SELECT stream_ordering
- FROM event_push_actions
- WHERE
- thread_id IS NULL
- AND stream_ordering > ?
- ORDER BY stream_ordering
- LIMIT ?
- """
- txn.execute(sql, (start_stream_ordering, batch_size))
-
- # No more rows to process.
- rows = txn.fetchall()
- if not rows:
- progress["event_push_actions_done"] = True
- self.db_pool.updates._background_update_progress_txn(
- txn, "event_push_backfill_thread_id", progress
- )
- return 0
-
- # Update the thread ID for any of those rows.
- max_stream_ordering = rows[-1][0]
-
- sql = """
- UPDATE event_push_actions
- SET thread_id = 'main'
- WHERE ? < stream_ordering AND stream_ordering <= ? AND thread_id IS NULL
- """
- txn.execute(
- sql,
- (
- start_stream_ordering,
- max_stream_ordering,
- ),
- )
-
- # Update progress.
- processed_rows = txn.rowcount
- progress["max_event_push_actions_stream_ordering"] = max_stream_ordering
- self.db_pool.updates._background_update_progress_txn(
- txn, "event_push_backfill_thread_id", progress
- )
-
- return processed_rows
-
- def add_thread_id_summary_txn(txn: LoggingTransaction) -> int:
- min_user_id = progress.get("max_summary_user_id", "")
- min_room_id = progress.get("max_summary_room_id", "")
-
- # Slightly overcomplicated query for getting the Nth user ID / room
- # ID tuple, or the last if there are less than N remaining.
- sql = """
- SELECT user_id, room_id FROM (
- SELECT user_id, room_id FROM event_push_summary
- WHERE (user_id, room_id) > (?, ?)
- AND thread_id IS NULL
- ORDER BY user_id, room_id
- LIMIT ?
- ) AS e
- ORDER BY user_id DESC, room_id DESC
- LIMIT 1
- """
-
- txn.execute(sql, (min_user_id, min_room_id, batch_size))
- row = txn.fetchone()
- if not row:
- return 0
-
- max_user_id, max_room_id = row
-
- sql = """
- UPDATE event_push_summary
- SET thread_id = 'main'
- WHERE
- (?, ?) < (user_id, room_id) AND (user_id, room_id) <= (?, ?)
- AND thread_id IS NULL
- """
- txn.execute(sql, (min_user_id, min_room_id, max_user_id, max_room_id))
- processed_rows = txn.rowcount
-
- progress["max_summary_user_id"] = max_user_id
- progress["max_summary_room_id"] = max_room_id
- self.db_pool.updates._background_update_progress_txn(
- txn, "event_push_backfill_thread_id", progress
- )
-
- return processed_rows
-
- # First update the event_push_actions table, then the event_push_summary table.
- #
- # Note that the event_push_actions_staging table is ignored since it is
- # assumed that items in that table will only exist for a short period of
- # time.
- if not event_push_actions_done:
- result = await self.db_pool.runInteraction(
- "event_push_backfill_thread_id",
- add_thread_id_txn,
- progress.get("max_event_push_actions_stream_ordering", 0),
- )
- else:
- result = await self.db_pool.runInteraction(
- "event_push_backfill_thread_id",
- add_thread_id_summary_txn,
- )
-
- # Only done after the event_push_summary table is done.
- if not result:
- await self.db_pool.updates._end_background_update(
- "event_push_backfill_thread_id"
- )
-
- return result
-
async def get_unread_counts_by_room_for_user(self, user_id: str) -> Dict[str, int]:
"""Get the notification count by room for a user. Only considers notifications,
not highlight or unread counts, and threads are currently aggregated under their room.
@@ -711,25 +552,6 @@ class EventPushActionsWorkerStore(ReceiptsWorkerStore, StreamWorkerStore, SQLBas
(ReceiptTypes.READ, ReceiptTypes.READ_PRIVATE),
)
- # First ensure that the existing rows have an updated thread_id field.
- if not self._event_push_backfill_thread_id_done:
- txn.execute(
- """
- UPDATE event_push_summary
- SET thread_id = ?
- WHERE room_id = ? AND user_id = ? AND thread_id is NULL
- """,
- (MAIN_TIMELINE, room_id, user_id),
- )
- txn.execute(
- """
- UPDATE event_push_actions
- SET thread_id = ?
- WHERE room_id = ? AND user_id = ? AND thread_id is NULL
- """,
- (MAIN_TIMELINE, room_id, user_id),
- )
-
# First we pull the counts from the summary table.
#
# We check that `last_receipt_stream_ordering` matches the stream ordering of the
@@ -1545,25 +1367,6 @@ class EventPushActionsWorkerStore(ReceiptsWorkerStore, StreamWorkerStore, SQLBas
(room_id, user_id, stream_ordering, *thread_args),
)
- # First ensure that the existing rows have an updated thread_id field.
- if not self._event_push_backfill_thread_id_done:
- txn.execute(
- """
- UPDATE event_push_summary
- SET thread_id = ?
- WHERE room_id = ? AND user_id = ? AND thread_id is NULL
- """,
- (MAIN_TIMELINE, room_id, user_id),
- )
- txn.execute(
- """
- UPDATE event_push_actions
- SET thread_id = ?
- WHERE room_id = ? AND user_id = ? AND thread_id is NULL
- """,
- (MAIN_TIMELINE, room_id, user_id),
- )
-
# Fetch the notification counts between the stream ordering of the
# latest receipt and what was previously summarised.
unread_counts = self._get_notif_unread_count_for_user_room(
@@ -1698,19 +1501,6 @@ class EventPushActionsWorkerStore(ReceiptsWorkerStore, StreamWorkerStore, SQLBas
rotate_to_stream_ordering: The new maximum event stream ordering to summarise.
"""
- # Ensure that any new actions have an updated thread_id.
- if not self._event_push_backfill_thread_id_done:
- txn.execute(
- """
- UPDATE event_push_actions
- SET thread_id = ?
- WHERE ? < stream_ordering AND stream_ordering <= ? AND thread_id IS NULL
- """,
- (MAIN_TIMELINE, old_rotate_stream_ordering, rotate_to_stream_ordering),
- )
-
- # XXX Do we need to update summaries here too?
-
# Calculate the new counts that should be upserted into event_push_summary
sql = """
SELECT user_id, room_id, thread_id,
@@ -1773,20 +1563,6 @@ class EventPushActionsWorkerStore(ReceiptsWorkerStore, StreamWorkerStore, SQLBas
logger.info("Rotating notifications, handling %d rows", len(summaries))
- # Ensure that any updated threads have the proper thread_id.
- if not self._event_push_backfill_thread_id_done:
- txn.execute_batch(
- """
- UPDATE event_push_summary
- SET thread_id = ?
- WHERE room_id = ? AND user_id = ? AND thread_id is NULL
- """,
- [
- (MAIN_TIMELINE, room_id, user_id)
- for user_id, room_id, _ in summaries
- ],
- )
-
self.db_pool.simple_upsert_many_txn(
txn,
table="event_push_summary",
|