legacymigrate: don't migrate backfill tables

They're only used on Beeper anyway because upstream dropped MSC2716 support.
Fixes #735

[skip cd]

cmd/mautrix-whatsapp/legacymigrate.sql

@@ -195,101 +195,10 @@ SELECT
     expire_at * 1000000 -- disappear_at
 FROM disappearing_message_old;
 
-INSERT INTO backfill_task (
-    bridge_id, portal_id, portal_receiver, user_login_id, batch_count, is_done,
-    cursor, oldest_message_id, dispatched_at, completed_at, next_dispatch_min_ts
-)
-SELECT
-    '', -- bridge_id
-    portal_jid, -- portal_id
-    CASE WHEN portal_receiver LIKE '%@s.whatsapp.net' THEN replace(portal_receiver, '@s.whatsapp.net', '') ELSE '' END, -- portal_receiver
-    (SELECT id FROM user_login WHERE user_login.user_mxid=backfill_queue_old.user_mxid), -- user_login_id
-    COUNT(*), -- batch_count
-    COUNT(*) = COUNT(completed_at), -- is_done
-    '', -- cursor
-    '', -- oldest_message_id
-    -- only: postgres
-    EXTRACT(EPOCH FROM MAX(dispatch_time)) * 1000000000, -- dispatched_at
-    -- only: sqlite (line commented)
---  unixepoch(MAX(dispatch_time)) * 1000000000,
-    NULL, -- completed_at
-    1 -- next_dispatch_min_ts
-FROM backfill_queue_old
-WHERE type IN (0, 200)
-  AND EXISTS(SELECT 1 FROM user_login WHERE user_login.user_mxid=backfill_queue_old.user_mxid)
-  AND portal_receiver IS NOT NULL
-GROUP BY user_mxid, portal_jid, portal_receiver;
-
 INSERT INTO whatsapp_poll_option_id (bridge_id, msg_mxid, opt_id, opt_hash)
 SELECT '', msg_mxid, opt_id, opt_hash
 FROM poll_option_id_old;
 
-INSERT INTO whatsapp_history_sync_conversation (
-    bridge_id, user_login_id, chat_jid, last_message_timestamp, archived, pinned, mute_end_time,
-    end_of_history_transfer_type, ephemeral_expiration, ephemeral_setting_timestamp, marked_as_unread, unread_count
-)
-SELECT
-    '',
-    user_login.id,
-    portal_jid,
-    -- only: postgres
-    CAST(EXTRACT(EPOCH FROM last_message_timestamp) AS BIGINT),
-    -- only: sqlite (line commented)
---  unixepoch(last_message_timestamp),
-    archived,
-    CASE WHEN pinned > 0 THEN true ELSE false END,
-    -- only: postgres
-    CAST(EXTRACT(EPOCH FROM mute_end_time) AS BIGINT),
-    -- only: sqlite (line commented)
---  unixepoch(mute_end_time),
-    end_of_history_transfer_type,
-    ephemeral_expiration,
-    0,
-    marked_as_unread,
-    unread_count
-FROM history_sync_conversation_old
-LEFT JOIN user_login ON user_login.user_mxid = history_sync_conversation_old.user_mxid
-WHERE user_login.id IS NOT NULL;
-
-INSERT INTO whatsapp_history_sync_message (
-    bridge_id, user_login_id, chat_jid, sender_jid, message_id, timestamp, data, inserted_time
-)
-SELECT
-    '',
-    user_login.id,
-    conversation_id,
-    message_id,
-    '',
-    -- only: postgres
-    CAST(EXTRACT(EPOCH FROM timestamp) AS BIGINT),
-    -- only: sqlite (line commented)
---  unixepoch(timestamp),
-    data,
-    -- only: postgres
-    CAST(EXTRACT(EPOCH FROM inserted_time) AS BIGINT)
-    -- only: sqlite (line commented)
---  unixepoch(inserted_time)
-FROM history_sync_message_old
-LEFT JOIN user_login ON user_login.user_mxid = history_sync_message_old.user_mxid
-WHERE user_login.id IS NOT NULL;
-
-INSERT INTO whatsapp_media_backfill_request (
-    bridge_id, user_login_id, message_id, portal_id, portal_receiver, media_key, status, error
-)
-SELECT
-    '',
-    user_login.id,
-    (SELECT id FROM message WHERE mxid=event_id),
-    portal_jid,
-    CASE WHEN portal_receiver LIKE '%@s.whatsapp.net' THEN replace(portal_receiver, '@s.whatsapp.net', '') ELSE '' END,
-    media_key,
-    status,
-    COALESCE(error, '')
-FROM media_backfill_requests_old
-LEFT JOIN user_login ON user_login.user_mxid = media_backfill_requests_old.user_mxid
-WHERE user_login.id IS NOT NULL AND status IS NOT NULL AND media_key IS NOT NULL AND EXISTS (SELECT 1 FROM message WHERE mxid=event_id)
-ON CONFLICT DO NOTHING;
-
 DROP TABLE backfill_queue_old;
 DROP TABLE backfill_state_old;
 DROP TABLE disappearing_message_old;