$ sql wikishared --write

CREATE TABLE ce_tracking_tools (
  cett_id BIGINT UNSIGNED AUTO_INCREMENT NOT NULL,
  cett_event BIGINT UNSIGNED NOT NULL,
  cett_tool_id INT NOT NULL,
  cett_tool_event_id VARBINARY(512) NOT NULL,
  cett_sync_status INT NOT NULL,
  cett_last_sync BINARY(14) DEFAULT NULL,
  UNIQUE INDEX cett_event_tool_teid (
    cett_event, cett_tool_id, cett_tool_event_id
  ),
  PRIMARY KEY(cett_id)
);

$ sql wikishared --write

ALTER TABLE campaign_events DROP COLUMN event_tracking_tool_id, DROP COLUMN event_tracking_tool_event_id;