diff options
Diffstat (limited to 'util')
| -rw-r--r-- | util/updates/2020-08-07-threads.sql | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/util/updates/2020-08-07-threads.sql b/util/updates/2020-08-07-threads.sql index 612ecaf0..d036ee81 100644 --- a/util/updates/2020-08-07-threads.sql +++ b/util/updates/2020-08-07-threads.sql @@ -1,6 +1,7 @@ -- * Convert thread identifiers to vndbids -- * Remove threads_poll_votes.tid -- * Add two ON DELETE CASCADE's +-- * Replace threads.count with threads.c_(count,lastnum) ALTER TABLE threads_poll_votes DROP COLUMN tid; ALTER TABLE threads_poll_votes ADD PRIMARY KEY (optid,uid); @@ -27,4 +28,16 @@ ALTER TABLE threads_poll_options ADD CONSTRAINT threads_poll_options_tid_fke ALTER TABLE threads_posts ADD CONSTRAINT threads_posts_tid_fkey FOREIGN KEY (tid) REFERENCES threads (id) ON DELETE CASCADE; ALTER TABLE threads_boards ADD CONSTRAINT threads_boards_tid_fkey FOREIGN KEY (tid) REFERENCES threads (id) ON DELETE CASCADE; +ALTER TABLE threads DROP COLUMN count; +ALTER TABLE threads ADD COLUMN c_count smallint NOT NULL DEFAULT 0; -- Number of non-hidden posts +ALTER TABLE threads ADD COLUMN c_lastnum smallint NOT NULL DEFAULT 1; -- 'num' of the most recent non-hidden post + +ALTER TABLE threads_posts ALTER COLUMN num DROP DEFAULT; +ALTER TABLE threads_posts ALTER COLUMN uid DROP DEFAULT; +ALTER TABLE threads_posts ADD CONSTRAINT threads_posts_first_nonhidden CHECK(num > 1 OR NOT hidden); + +UPDATE threads + SET c_count = (SELECT COUNT(*) FROM threads_posts WHERE NOT hidden AND tid = threads.id) + , c_lastnum = (SELECT MAX(num) FROM threads_posts WHERE NOT hidden AND tid = threads.id); + \i sql/triggers.sql |