a

dns/migrations/003_add_ns_records.sql

@@ -1,10 +1,10 @@
 -- Re-add NS record support and extend record types
-ALTER TABLE dns_records DROP CONSTRAINT dns_records_record_type_check;
-ALTER TABLE dns_records ADD CONSTRAINT dns_records_record_type_check 
-    CHECK (record_type IN ('A', 'AAAA', 'CNAME', 'TXT', 'NS', 'MX'));
+-- MySQL doesn't support direct DROP CONSTRAINT syntax
+-- MySQL 8.0+ supports CHECK constraints, but we'll skip adding for compatibility
 
 -- Add index for efficient NS record lookups during delegation
-CREATE INDEX idx_dns_records_ns_lookup ON dns_records(record_type, name) WHERE record_type = 'NS';
+-- MySQL doesn't support WHERE clause in CREATE INDEX
+CREATE INDEX idx_dns_records_ns_lookup ON dns_records(record_type, name);
 
 -- Add index for subdomain resolution optimization
 CREATE INDEX idx_dns_records_subdomain_lookup ON dns_records(domain_id, name, record_type);