wiki.techinc.nl/maintenance/sqlite/archives/patch-slot-origin.sql
daniel b0bdfd7e9f MCR: replace slot_inherited with slot_origin
Bug: T189004
Change-Id: Ie9dbda3296a71f584c82a5f275098adc225a53d5
2018-03-19 21:51:56 +01:00

34 lines
No EOL
1 KiB
SQL

--
-- Replace slot_inherited with slot_origin.
--
-- NOTE: There is no release that has slot_inherited. This is only needed to transition between
-- snapshot versions of 1.30.
--
-- NOTE: No code that writes to the slots table was merge yet, the table is assumed to be empty.
--
BEGIN TRANSACTION;
DROP TABLE /*_*/slots;
CREATE TABLE /*_*/slots (
-- reference to rev_id
slot_revision_id bigint unsigned NOT NULL,
-- reference to role_id
slot_role_id smallint unsigned NOT NULL,
-- reference to content_id
slot_content_id bigint unsigned NOT NULL,
-- The revision ID of the revision that originated the slot's content.
-- To find revisions that changed slots, look for slot_origin = slot_revision_id.
slot_origin bigint unsigned NOT NULL,
PRIMARY KEY ( slot_revision_id, slot_role_id )
) /*$wgDBTableOptions*/;
-- Index for finding revisions that modified a specific slot
CREATE INDEX /*i*/slot_revision_origin_role ON /*_*/slots (slot_revision_id, slot_origin, slot_role_id);
COMMIT TRANSACTION;