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Fix performance on instances list in admin UI (#15282)

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- Reduce duplicate queries
- Remove n+1 queries
- Add accounts count to detailed view
- Add separate action log entry for updating existing domain blocks
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Eugen Rochko 2020-12-14 09:06:34 +01:00 • committed by GitHub
parent a3b5675aa8
commit 216b85b053
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27 changed files with 331 additions and 171 deletions
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17
db/views/instances_v01.sql Normal file
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WITH domain_counts(domain, accounts_count)
AS (
SELECT domain, COUNT(*) as accounts_count
FROM accounts
WHERE domain IS NOT NULL
GROUP BY domain
)
SELECT domain, accounts_count
FROM domain_counts
UNION
SELECT domain_blocks.domain, COALESCE(domain_counts.accounts_count, 0)
FROM domain_blocks
LEFT OUTER JOIN domain_counts ON domain_counts.domain = domain_blocks.domain
UNION
SELECT domain_allows.domain, COALESCE(domain_counts.accounts_count, 0)
FROM domain_allows
LEFT OUTER JOIN domain_counts ON domain_counts.domain = domain_allows.domain