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DROP indexes before recreating them

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This commit is contained in:
Erik Johnston 2015-04-10 18:46:09 +01:00
parent 4d5b098626
commit 4103b1c470
2 changed files with 9 additions and 1 deletions
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8
synapse/storage/schema/delta/16/unique_constraints.sql
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@ -6,6 +6,7 @@ DELETE FROM current_state_events WHERE rowid not in (
SELECT MIN(rowid) FROM current_state_events GROUP BY event_id SELECT MIN(rowid) FROM current_state_events GROUP BY event_id
); );
DROP INDEX IF EXISTS current_state_events_event_id;
CREATE UNIQUE INDEX current_state_events_event_id ON current_state_events(event_id); CREATE UNIQUE INDEX current_state_events_event_id ON current_state_events(event_id);
-- --
@ -13,6 +14,7 @@ DELETE FROM room_memberships WHERE rowid not in (
SELECT MIN(rowid) FROM room_memberships GROUP BY event_id SELECT MIN(rowid) FROM room_memberships GROUP BY event_id
); );
DROP INDEX IF EXISTS room_memberships_event_id;
CREATE UNIQUE INDEX room_memberships_event_id ON room_memberships(event_id); CREATE UNIQUE INDEX room_memberships_event_id ON room_memberships(event_id);
-- --
@ -20,6 +22,7 @@ DELETE FROM feedback WHERE rowid not in (
SELECT MIN(rowid) FROM feedback GROUP BY event_id SELECT MIN(rowid) FROM feedback GROUP BY event_id
); );
DROP INDEX IF EXISTS feedback_event_id;
CREATE UNIQUE INDEX feedback_event_id ON feedback(event_id); CREATE UNIQUE INDEX feedback_event_id ON feedback(event_id);
-- --
@ -27,6 +30,7 @@ DELETE FROM topics WHERE rowid not in (
SELECT MIN(rowid) FROM topics GROUP BY event_id SELECT MIN(rowid) FROM topics GROUP BY event_id
); );
DROP INDEX IF EXISTS topics_event_id;
CREATE UNIQUE INDEX topics_event_id ON topics(event_id); CREATE UNIQUE INDEX topics_event_id ON topics(event_id);
-- --
@ -34,6 +38,7 @@ DELETE FROM room_names WHERE rowid not in (
SELECT MIN(rowid) FROM room_names GROUP BY event_id SELECT MIN(rowid) FROM room_names GROUP BY event_id
); );
DROP INDEX IF EXISTS room_names_id;
CREATE UNIQUE INDEX room_names_id ON room_names(event_id); CREATE UNIQUE INDEX room_names_id ON room_names(event_id);
-- --
@ -41,6 +46,7 @@ DELETE FROM presence WHERE rowid not in (
SELECT MIN(rowid) FROM presence GROUP BY user_id SELECT MIN(rowid) FROM presence GROUP BY user_id
); );
DROP INDEX IF EXISTS presence_id;
CREATE UNIQUE INDEX presence_id ON presence(user_id); CREATE UNIQUE INDEX presence_id ON presence(user_id);
-- --
@ -49,6 +55,7 @@ DELETE FROM presence_allow_inbound WHERE rowid not in (
GROUP BY observed_user_id, observer_user_id GROUP BY observed_user_id, observer_user_id
); );
DROP INDEX IF EXISTS presence_allow_inbound_observers;
CREATE UNIQUE INDEX presence_allow_inbound_observers ON presence_allow_inbound( CREATE UNIQUE INDEX presence_allow_inbound_observers ON presence_allow_inbound(
observed_user_id, observer_user_id observed_user_id, observer_user_id
); );
@ -59,6 +66,7 @@ DELETE FROM presence_list WHERE rowid not in (
GROUP BY user_id, observed_user_id GROUP BY user_id, observed_user_id
); );
DROP INDEX IF EXISTS presence_list_observers;
CREATE UNIQUE INDEX presence_list_observers ON presence_list( CREATE UNIQUE INDEX presence_list_observers ON presence_list(
user_id, observed_user_id user_id, observed_user_id
); );