Level 10 - MasterDebugging Questionsm2 reliability ha dr multi region
Debug Idempotency Lookup Query
Fix this query used to detect duplicate payment commands: SELECT * FROM payment_commands WHERE LOWER(idempotency_key) = LOWER(:key) AND created_at::date = CURRENT_DATE;
Schema Context
payment_commands(command_id, idempotency_key, tenant_id, created_at), index(idempotency_key, created_at)