diff --git a/synapse/storage/background_updates.py b/synapse/storage/background_updates.py
index 11a1b942f1..c88759bf2c 100644
--- a/synapse/storage/background_updates.py
+++ b/synapse/storage/background_updates.py
@@ -242,6 +242,25 @@ class BackgroundUpdateStore(SQLBaseStore):
"""
self._background_update_handlers[update_name] = update_handler
+ def register_noop_background_update(self, update_name):
+ """Register a noop handler for a background update.
+
+ This is useful when we previously did a background update, but no
+ longer wish to do the update. In this case the background update should
+ be removed from the schema delta files, but there may still be some
+ users who have the background update queued, so this method should
+ also be called to clear the update.
+
+ Args:
+ update_name (str): Name of update
+ """
+ @defer.inlineCallbacks
+ def noop_update(progress, batch_size):
+ yield self._end_background_update(update_name)
+ defer.returnValue(1)
+
+ self.register_background_update_handler(update_name, noop_update)
+
def register_background_index_update(self, update_name, index_name,
table, columns, where_clause=None,
unique=False,
diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py
index 3aa810981f..95f75d6df1 100644
--- a/synapse/storage/registration.py
+++ b/synapse/storage/registration.py
@@ -39,12 +39,7 @@ class RegistrationStore(background_updates.BackgroundUpdateStore):
# we no longer use refresh tokens, but it's possible that some people
# might have a background update queued to build this index. Just
# clear the background update.
- @defer.inlineCallbacks
- def noop_update(progress, batch_size):
- yield self._end_background_update("refresh_tokens_device_index")
- defer.returnValue(1)
- self.register_background_update_handler(
- "refresh_tokens_device_index", noop_update)
+ self.register_noop_background_update("refresh_tokens_device_index")
@defer.inlineCallbacks
def add_access_token_to_user(self, user_id, token, device_id=None):
diff --git a/synapse/storage/search.py b/synapse/storage/search.py
index d3e76b58d6..13c827cf87 100644
--- a/synapse/storage/search.py
+++ b/synapse/storage/search.py
@@ -31,6 +31,7 @@ class SearchStore(BackgroundUpdateStore):
EVENT_SEARCH_UPDATE_NAME = "event_search"
EVENT_SEARCH_ORDER_UPDATE_NAME = "event_search_order"
+ EVENT_SEARCH_USE_GIST_POSTGRES_NAME = "event_search_postgres_gist"
EVENT_SEARCH_USE_GIN_POSTGRES_NAME = "event_search_postgres_gin"
def __init__(self, db_conn, hs):
@@ -42,6 +43,16 @@ class SearchStore(BackgroundUpdateStore):
self.EVENT_SEARCH_ORDER_UPDATE_NAME,
self._background_reindex_search_order
)
+
+ # we used to have a background update to turn the GIN index into a
+ # GIST one; we no longer do that (obviously) because we actually want
+ # a GIN index. However, it's possible that some people might still have
+ # the background update queued, so we register a handler to clear the
+ # background update.
+ self.register_noop_background_update(
+ self.EVENT_SEARCH_USE_GIST_POSTGRES_NAME,
+ )
+
self.register_background_update_handler(
self.EVENT_SEARCH_USE_GIN_POSTGRES_NAME,
self._background_reindex_gin_search
|