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Annotate the removed indicies with why they were removed.

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This commit is contained in:
Mark Haines 2016-05-13 14:16:57 +01:00
parent 5e50058473
commit 9295fa30a8
1 changed files with 15 additions and 18 deletions
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33
synapse/storage/schema/delta/32/remove_indices.sql
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@ -16,27 +16,24 @@
-- The following indices are redundant, other indices are equivalent or
-- supersets
DROP INDEX IF EXISTS events_room_id;
DROP INDEX IF EXISTS events_order;
DROP INDEX IF EXISTS events_topological_ordering;
DROP INDEX IF EXISTS events_stream_ordering;
DROP INDEX IF EXISTS state_groups_id;
DROP INDEX IF EXISTS event_to_state_groups_id;
DROP INDEX IF EXISTS event_push_actions_room_id_event_id_user_id_profile_tag;
DROP INDEX IF EXISTS event_push_actions_room_id_user_id;
DROP INDEX IF EXISTS event_destinations_id;
DROP INDEX IF EXISTS st_extrem_id;
DROP INDEX IF EXISTS event_content_hashes_id;
DROP INDEX IF EXISTS event_signatures_id;
DROP INDEX IF EXISTS event_edge_hashes_id;
DROP INDEX IF EXISTS redactions_event_id;
DROP INDEX IF EXISTS remote_media_cache_thumbnails_media_id;
DROP INDEX IF EXISTS room_hosts_room_id;
DROP INDEX IF EXISTS event_search_ev_ridx;
DROP INDEX IF EXISTS events_room_id; -- Prefix of events_room_stream
DROP INDEX IF EXISTS events_order; -- Prefix of events_order_topo_stream_room
DROP INDEX IF EXISTS events_topological_ordering; -- Prefix of events_order_topo_stream_room
DROP INDEX IF EXISTS events_stream_ordering; -- Duplicate of PRIMARY KEY
DROP INDEX IF EXISTS state_groups_id; -- Duplicate of PRIMARY KEY
DROP INDEX IF EXISTS event_to_state_groups_id; -- Duplicate of PRIMARY KEY
DROP INDEX IF EXISTS event_push_actions_room_id_event_id_user_id_profile_tag; -- Duplicate of UNIQUE CONSTRAINT
DROP INDEX IF EXISTS event_destinations_id; -- Prefix of UNIQUE CONSTRAINT
DROP INDEX IF EXISTS st_extrem_id; -- Prefix of UNIQUE CONSTRAINT
DROP INDEX IF EXISTS event_content_hashes_id; -- Prefix of UNIQUE CONSTRAINT
DROP INDEX IF EXISTS event_signatures_id; -- Prefix of UNIQUE CONSTRAINT
DROP INDEX IF EXISTS event_edge_hashes_id; -- Prefix of UNIQUE CONSTRAINT
DROP INDEX IF EXISTS redactions_event_id; -- Duplicate of UNIQUE CONSTRAINT
DROP INDEX IF EXISTS room_hosts_room_id; -- Prefix of UNIQUE CONSTRAINT
-- The following indices were unused
DROP INDEX IF EXISTS remote_media_cache_thumbnails_media_id;
DROP INDEX IF EXISTS evauth_edges_auth_id;
DROP INDEX IF EXISTS topics_room_id;
DROP INDEX IF EXISTS presence_stream_state;