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fix: add composite indexes for split-horizon DNS queries #147

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Merged
poyrazK merged 1 commit into from
May 7, 2026
+14 −1
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fix: add composite indexes for split-horizon DNS queries #147

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15 changes: 14 additions & 1 deletion internal/adapters/repository/schema.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -92,7 +92,20 @@ CREATE INDEX idx_dns_zones_name_lower ON dns_zones (LOWER(name));

-- Expression index for efficient suffix-match zone lookup via reversed name
-- Enables PostgreSQL to use index range scan instead of full table scan
CREATE INDEX idx_dns_zones_name_reverse ON dns_zones (REVERSE(name));
CREATE INDEX IF NOT EXISTS idx_dns_zones_name_reverse ON dns_zones (REVERSE(name));

-- Composite indexes for split-horizon DNS queries
-- Covers zone_id + LOWER(name) + type pattern used by DeleteRecordsByNameAndType
CREATE INDEX IF NOT EXISTS idx_dns_records_zone_name_type ON dns_records(zone_id, LOWER(name), type);

-- Covers zone_id + LOWER(name) pattern used by DeleteRecordsByName
CREATE INDEX IF NOT EXISTS idx_dns_records_zone_name ON dns_records(zone_id, LOWER(name));

-- Covers zone_id used by DeleteRecordsForZone bulk deletes
CREATE INDEX IF NOT EXISTS idx_dns_records_zone_id ON dns_records(zone_id);

-- Tenant-scoped zone listing (ListZones, tenant isolation)
CREATE INDEX IF NOT EXISTS idx_dns_zones_tenant_id ON dns_zones(tenant_id);

CREATE TABLE IF NOT EXISTS api_keys (
id UUID PRIMARY KEY,
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