45 lines
1.5 KiB
Markdown
45 lines
1.5 KiB
Markdown
|
|
# Most common servers
|
|
|
|
```SQL
|
|
SELECT COUNT(*), host FROM followers GROUP BY host ORDER BY count DESC;
|
|
```
|
|
|
|
# Most popular twitter users
|
|
|
|
```SQL
|
|
SELECT COUNT(*), acct FROM (SELECT unnest(followings) as follow FROM followers) AS f INNER JOIN twitter_users ON f.follow=twitter_users.id GROUP BY acct ORDER BY count DESC;
|
|
```
|
|
|
|
```SQL
|
|
SELECT COUNT(*), acct, id FROM (SELECT unnest(followings) as follow FROM followers) AS f INNER JOIN twitter_users ON f.follow=twitter_users.id WHERE id IN ( SELECT unnest(followings) FROM followers WHERE host='social.librem.one' AND acct = 'vincent' ) GROUP BY acct, id ORDER BY count DESC;
|
|
```
|
|
|
|
# Most active users
|
|
|
|
```SQL
|
|
SELECT array_length(followings, 1) AS l, acct, host FROM followers ORDER BY l DESC;
|
|
```
|
|
|
|
# Lag
|
|
|
|
```SQL
|
|
SELECT COUNT(*), date_trunc('day', lastsync) FROM (SELECT unnest(followings) as follow FROM followers GROUP BY follow) AS f INNER JOIN twitter_users ON f.follow=twitter_users.id GROUP BY date_trunc;
|
|
|
|
SELECT COUNT(*), date_trunc('hour', lastsync) FROM (SELECT unnest(followings) as follow FROM followers GROUP BY follow) AS f INNER JOIN twitter_users ON f.follow=twitter_users.id GROUP BY date_trunc ORDER BY date_trunc;
|
|
```
|
|
|
|
Lag by shards:
|
|
|
|
```SQL
|
|
SELECT min(lastsync), mod(id, 100) FROM
|
|
(SELECT acct, id, lastsync FROM (SELECT unnest(followings) as follow FROM followers) AS f INNER JOIN twitter_users ON f.follow=twitter_users.id) AS f
|
|
GROUP BY mod
|
|
ORDER BY min;
|
|
```
|
|
|
|
# Connections
|
|
|
|
```SQL
|
|
SELECT SUM(cardinality(followings)) FROM followers;
|
|
```
|