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authorErik Johnston <erik@matrix.org>2019-10-10 16:41:36 +0100
committerGitHub <noreply@github.com>2019-10-10 16:41:36 +0100
commit83d86106a8637dc1d9ffd44840c057b10aa87287 (patch)
treebc62be567a509f6a273b4f3ded979065ca8e5cbb /synapse/storage/events_bg_updates.py
parentMerge pull request #6186 from matrix-org/erikj/disable_sql_bytes (diff)
parentFix SQLite take 2 (diff)
downloadsynapse-83d86106a8637dc1d9ffd44840c057b10aa87287.tar.xz
Merge pull request #6156 from matrix-org/erikj/postgres_any
Use Postgres ANY for selecting many values.
Diffstat (limited to 'synapse/storage/events_bg_updates.py')
-rw-r--r--synapse/storage/events_bg_updates.py12
1 files changed, 7 insertions, 5 deletions
diff --git a/synapse/storage/events_bg_updates.py b/synapse/storage/events_bg_updates.py
index e77a7e28af..31ea6f917f 100644
--- a/synapse/storage/events_bg_updates.py
+++ b/synapse/storage/events_bg_updates.py
@@ -21,6 +21,7 @@ from canonicaljson import json
 
 from twisted.internet import defer
 
+from synapse.storage._base import make_in_list_sql_clause
 from synapse.storage.background_updates import BackgroundUpdateStore
 
 logger = logging.getLogger(__name__)
@@ -325,12 +326,13 @@ class EventsBackgroundUpdatesStore(BackgroundUpdateStore):
                     INNER JOIN event_json USING (event_id)
                     LEFT JOIN rejections USING (event_id)
                     WHERE
-                        prev_event_id IN (%s)
-                        AND NOT events.outlier
-                """ % (
-                    ",".join("?" for _ in to_check),
+                        NOT events.outlier
+                        AND
+                """
+                clause, args = make_in_list_sql_clause(
+                    self.database_engine, "prev_event_id", to_check
                 )
-                txn.execute(sql, to_check)
+                txn.execute(sql + clause, list(args))
 
                 for prev_event_id, event_id, metadata, rejected in txn:
                     if event_id in graph: