dcd9fb61d0
The original CREATE INDEX (non-concurrent) on a 2M-row table held a SHARE lock for ~33 minutes, blocking all 25+ DOT checker queries and causing 'Failed to fetch' for real users. CONCURRENTLY builds the index without a table lock. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
10 lines
443 B
SQL
10 lines
443 B
SQL
-- Track which fmcsa_carriers records have been added to Listmonk campaign lists,
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-- so the daily campaign builder never double-sends to the same carrier.
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ALTER TABLE fmcsa_carriers
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ADD COLUMN IF NOT EXISTS listmonk_sent_at TIMESTAMPTZ,
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ADD COLUMN IF NOT EXISTS listmonk_campaign_type TEXT;
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CREATE INDEX CONCURRENTLY IF NOT EXISTS idx_fmcsa_carriers_listmonk_sent
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ON fmcsa_carriers (listmonk_sent_at)
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WHERE listmonk_sent_at IS NULL;
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