1--
2-- Replace slot_inherited with slot_origin.
3--
4-- NOTE: There is no release that has slot_inherited. This is only needed to transition between
5-- snapshot versions of 1.30.
6--
7-- NOTE: No code that writes to the slots table was merged yet, the table is assumed to be empty.
8--
9DROP INDEX /*i*/slot_role_inherited ON /*_*/slots;
10
11ALTER TABLE /*_*/slots
12  DROP COLUMN slot_inherited,
13  ADD COLUMN slot_origin bigint unsigned NOT NULL;
14
15CREATE INDEX /*i*/slot_revision_origin_role ON /*_*/slots (slot_revision_id, slot_origin, slot_role_id);
16