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Save some of the queries we've used for the record

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Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr>
This commit is contained in:
Pierre-Yves Chibon 2021-02-12 11:01:49 +01:00
parent 60425dbea1
commit 72ad2d72c7
1 changed files with 24 additions and 0 deletions
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24
scripts/migration_timescaledb.sql
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@ -120,3 +120,27 @@ CREATE INDEX messages2_datanommer_timestamp_topic_idx ON public.messages2 USING
-- ALTER TABLE package_messages2 -- ALTER TABLE package_messages2
-- ADD CONSTRAINT package_messages2_msg_fkey -- ADD CONSTRAINT package_messages2_msg_fkey
-- FOREIGN KEY (msg, "timestamp") REFERENCES messages2(id, "timestamp") MATCH FULL; -- FOREIGN KEY (msg, "timestamp") REFERENCES messages2(id, "timestamp") MATCH FULL;
-- Save some SQL queries we've used so we can find them back later if needed/desired
-- Find duplicates with the same msg_id/timestamp in messages2
-- Restrict to messages since January 1st 2021 as we know the dups are recent
select msg_id, "timestamp", count(msg_id) as cnt
from messages2
where "timestamp" > TO_TIMESTAMP('2021-01-01 01:00:00', 'YYYY-MM-DD HH:MI:SS')
group by msg_id, timestamp
having count(msg_id) > 1;
-- Remove the duplicates messages with the same msg_id/timestamp in messages2
DELETE FROM
messages2 m1
USING messages2 m2
WHERE
m1.id < m2.id
AND m1."timestamp" = m2."timestamp"
AND m1.msg_id = m2.msg_id
AND m1."timestamp" > TO_TIMESTAMP('2021-01-01 01:00:00', 'YYYY-MM-DD HH:MI:SS')
AND m2."timestamp" > TO_TIMESTAMP('2021-01-01 01:00:00', 'YYYY-MM-DD HH:MI:SS');