-- From 4.0.0-2020-02-08.sql
ALTER TABLE "#__banners" ALTER COLUMN "metakey" DROP NOT NULL;
ALTER TABLE "#__banner_clients" ALTER COLUMN "metakey" DROP NOT NULL;
ALTER TABLE "#__contact_details" ALTER COLUMN "metakey" DROP NOT NULL;
ALTER TABLE "#__content" ALTER COLUMN "metakey" DROP NOT NULL;
ALTER TABLE "#__languages" ALTER COLUMN "metakey" DROP NOT NULL;
ALTER TABLE "#__newsfeeds" ALTER COLUMN "metakey" DROP NOT NULL;
ALTER TABLE "#__tags" ALTER COLUMN "metakey" SET DEFAULT '';

-- From 4.0.0-2020-02-20.sql
ALTER TABLE "#__content_types" ALTER COLUMN "table" TYPE character varying(2048);

-- From 4.0.0-2020-02-22.sql
DELETE FROM "#__extensions" WHERE "name" = 'com_mailto';

-- From 4.0.0-2020-02-29.sql
INSERT INTO "#__extensions" ("package_id", "name", "type", "element", "folder", "client_id", "enabled", "access", "protected", "manifest_cache", "params", "custom_data", "checked_out", "checked_out_time", "ordering", "state") VALUES
(0, 'plg_system_accessibility', 'plugin', 'accessibility', 'system', 0, 0, 1, 0, '', '{}', '', 0, NULL, 0, 0);

-- From 4.0.0-2020-03-10.sql
INSERT INTO "#__extensions" ("package_id", "name", "type", "element", "folder", "client_id", "enabled", "access", "protected", "manifest_cache", "params", "custom_data", "checked_out", "checked_out_time", "ordering", "state")
SELECT "extension_id", 'English (en-GB)', 'language', 'en-GB', '', 3, 1, 1, 1, '', '', '', 0, NULL, 0, 0 FROM "#__extensions" WHERE "name" = 'English (en-GB) Language Pack';