lemmy/migrations/2023-07-11-084714_receive_a.../up.sql

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-- outgoing activities, need to be stored to be later server over http
-- we change data column from jsonb to json for decreased size
-- https://stackoverflow.com/a/22910602
CREATE TABLE sent_activity (
id bigserial PRIMARY KEY,
ap_id text UNIQUE NOT NULL,
data json NOT NULL,
sensitive boolean NOT NULL,
published timestamp NOT NULL DEFAULT now()
);
-- incoming activities, we only need the id to avoid processing the same activity multiple times
CREATE TABLE received_activity (
id bigserial PRIMARY KEY,
ap_id text UNIQUE NOT NULL,
published timestamp NOT NULL DEFAULT now()
);
-- copy sent activities to new table. only copy last 100k for faster migration
INSERT INTO sent_activity (ap_id, data, sensitive, published)
SELECT
ap_id,
data,
sensitive,
published
FROM
activity
WHERE
local = TRUE
ORDER BY
id DESC
LIMIT 100000;
-- copy received activities to new table. only last 1m for faster migration
INSERT INTO received_activity (ap_id, published)
SELECT
ap_id,
published
FROM
activity
WHERE
local = FALSE
ORDER BY
id DESC
LIMIT 1000000;
DROP TABLE activity;