diff options
| -rw-r--r-- | changelog.d/15729.misc | 1 | ||||
| -rw-r--r-- | synapse/storage/databases/main/user_directory.py | 12 |
2 files changed, 9 insertions, 4 deletions
diff --git a/changelog.d/15729.misc b/changelog.d/15729.misc new file mode 100644 index 0000000000..3940254305 --- /dev/null +++ b/changelog.d/15729.misc @@ -0,0 +1 @@ +Improve performance of user directory search. diff --git a/synapse/storage/databases/main/user_directory.py b/synapse/storage/databases/main/user_directory.py index a0319575f0..b0a06baf4f 100644 --- a/synapse/storage/databases/main/user_directory.py +++ b/synapse/storage/databases/main/user_directory.py @@ -1061,12 +1061,15 @@ class UserDirectoryStore(UserDirectoryBackgroundUpdateStore): # The array of numbers are the weights for the various part of the # search: (domain, _, display name, localpart) sql = """ + WITH matching_users AS ( + SELECT user_id, vector FROM user_directory_search WHERE vector @@ to_tsquery('simple', ?) + LIMIT 10000 + ) SELECT d.user_id AS user_id, display_name, avatar_url - FROM user_directory_search as t + FROM matching_users as t INNER JOIN user_directory AS d USING (user_id) WHERE %(where_clause)s - AND vector @@ to_tsquery('simple', ?) ORDER BY (CASE WHEN d.user_id IS NOT NULL THEN 4.0 ELSE 1.0 END) * (CASE WHEN display_name IS NOT NULL THEN 1.2 ELSE 1.0 END) @@ -1095,8 +1098,9 @@ class UserDirectoryStore(UserDirectoryBackgroundUpdateStore): "order_case_statements": " ".join(additional_ordering_statements), } args = ( - join_args - + (full_query, exact_query, prefix_query) + (full_query,) + + join_args + + (exact_query, prefix_query) + ordering_arguments + (limit + 1,) ) |