migrations fix

deploy/migrations/0108_monoforum_direct_message_invariants.up.sql

@@ -1,98 +0,0 @@
-ALTER TABLE channel_messages
-    ADD COLUMN suggested_post jsonb NOT NULL DEFAULT '{}'::jsonb;
-
--- A monoforum is a virtual per-saved-peer container, never an ordinary joined megagroup.
-DELETE FROM channel_dialogs d
-USING channels c
-WHERE d.channel_id = c.id AND c.monoforum;
-
-DELETE FROM user_channel_member_index i
-USING channels c
-WHERE i.channel_id = c.id AND c.monoforum;
-
-DELETE FROM channel_members m
-USING channels c
-WHERE m.channel_id = c.id AND c.monoforum;
-
-UPDATE channels c
-SET participants_count = 0,
-    admins_count = 0,
-    updated_at = now()
-WHERE c.monoforum AND (c.participants_count <> 0 OR c.admins_count <> 0);
-
--- Older generic sends from non-admin users are deterministically their own saved-peer dialog.
-UPDATE channel_messages m
-SET saved_peer_type = 'user',
-    saved_peer_id = m.sender_user_id
-FROM channels mono
-WHERE mono.id = m.channel_id
-  AND mono.monoforum
-  AND NOT m.deleted
-  AND m.saved_peer_id = 0
-  AND m.action = '{}'::jsonb
-  AND m.sender_user_id <> 0
-  AND NOT EXISTS (
-      SELECT 1
-      FROM channel_members parent_member
-      WHERE parent_member.channel_id = mono.linked_monoforum_id
-        AND parent_member.user_id = m.sender_user_id
-        AND parent_member.status = 'active'
-        AND parent_member.role IN ('creator', 'admin')
-  );
-
-UPDATE channel_update_events e
-SET payload = jsonb_set(
-        e.payload,
-        '{message,SavedPeer}',
-        jsonb_build_object('Type', 'user', 'ID', m.sender_user_id),
-        true
-    )
-FROM channel_messages m, channels mono
-WHERE mono.id = m.channel_id
-  AND mono.monoforum
-  AND e.channel_id = m.channel_id
-  AND e.message_id = m.id
-  AND m.saved_peer_type = 'user'
-  AND m.saved_peer_id = m.sender_user_id
-  AND COALESCE((e.payload #>> '{message,SavedPeer,ID}')::bigint, 0) = 0;
-
-UPDATE channel_messages m
-SET send_snapshot = jsonb_set(
-        m.send_snapshot,
-        '{message,SavedPeer}',
-        jsonb_build_object('Type', 'user', 'ID', m.sender_user_id),
-        true
-    )
-FROM channels mono
-WHERE mono.id = m.channel_id
-  AND mono.monoforum
-  AND m.random_id <> 0
-  AND m.saved_peer_type = 'user'
-  AND m.saved_peer_id = m.sender_user_id
-  AND COALESCE((m.send_snapshot #>> '{message,SavedPeer,ID}')::bigint, 0) = 0;
-
--- Remove the impossible join service message without creating a pts gap: retain the event row as noop.
-UPDATE channel_update_events e
-SET event_type = 'noop', message_id = 0, sender_user_id = 0, user_ids = '[]'::jsonb, payload = '{}'::jsonb
-FROM channel_messages m, channels mono
-WHERE mono.id = m.channel_id
-  AND mono.monoforum
-  AND e.channel_id = m.channel_id
-  AND e.message_id = m.id
-  AND m.action->>'Type' = 'chat_joined';
-
-UPDATE channel_messages m
-SET deleted = true
-FROM channels mono
-WHERE mono.id = m.channel_id
-  AND mono.monoforum
-  AND m.action->>'Type' = 'chat_joined';
-
-UPDATE channels mono
-SET top_message_id = COALESCE((
-        SELECT max(m.id)
-        FROM channel_messages m
-        WHERE m.channel_id = mono.id AND NOT m.deleted
-    ), 0),
-    updated_at = now()
-WHERE mono.monoforum;