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Konverter keep dense_rank fra Oracle-forespørgsel til postgres

Du kan bruge PostgreSQL WINDOW FUNCTIONS

-- we only added infos to the activity_monitor_transaction
-- we are free to group by date_time or status
SELECT
  first_value(status) OVER w AS global_transaction_status,
  count(*) OVER w AS global_transaction_count,
  activity_monitor_transaction.*
FROM
  activity_monitor_transaction
WINDOW w AS (
  PARTITION BY global_transaction_id
  ORDER BY date_time DESC, id DESC
  ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
)



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