ALTER TABLE "#__redirect_links" DROP CONSTRAINT "#__redirect_links_idx_link_old"; ALTER TABLE "#__redirect_links" ALTER COLUMN "old_url" TYPE character varying(2048); ALTER TABLE "#__redirect_links" ALTER COLUMN "new_url" TYPE character varying(2048); ALTER TABLE "#__redirect_links" ALTER COLUMN "referer" TYPE character varying(2048); CREATE INDEX "#__idx_link_old" ON "#__redirect_links" ("old_url");