Merge lp:~cjwatson/launchpad/db-archive-file-history into lp:launchpad/db-devel

[Colin Watson]

Add ArchiveFile.date_created and ArchiveFile.date_superseded.

See bug 1765933 for rationale.

[Colin Watson (cjwatson)]

Superseded by https://code.launchpad.net/~cjwatson/launchpad/+git/launchpad/+merge/373970.

Unmerged revisions

13843. By Colin Watson on 2018-04-21

Add ArchiveFile.date_created and ArchiveFile.date_superseded.

=== added file 'database/schema/patch-2209-74-1.sql'
--- database/schema/patch-2209-74-1.sql	1970-01-01 00:00:00 +0000
+++ database/schema/patch-2209-74-1.sql	2018-04-21 11:12:28 +0000
@@ -0,0 +1,13 @@
+-- Copyright 2018 Canonical Ltd.  This software is licensed under the
+-- GNU Affero General Public License version 3 (see the file LICENSE).
+
+SET client_min_messages=ERROR;
+
+ALTER TABLE ArchiveFile
+    ADD COLUMN date_created timestamp without time zone,
+    ADD COLUMN date_superseded timestamp without time zone;
+
+COMMENT ON COLUMN ArchiveFile.date_created IS 'The date when this file was created.';
+COMMENT ON COLUMN ArchiveFile.date_superseded IS 'The date when this file was removed or superseded by a newer version.';
+
+INSERT INTO LaunchpadDatabaseRevision VALUES (2209, 74, 1);