Operation Details
Description: This method will search for a duplicate trading status based on the status and the dates of the trading status
Sterotype: nsmulti
SQL 
SELECT
  concernRoleID,
  statusCode,
  startDate,
  endDate,
  tradingStatusID
INTO
  :concernRoleID,
  :statusCode,
  :startDate,
  :endDate,
  :tradingStatusID 
FROM
  TradingStatus 
WHERE tradingStatusID <> :tradingStatusID 
  AND concernRoleID = :concernRoleID 
  AND statusCode = :statusCode 
  AND 
  (
    
    (
      endDate >= :startDate 
      OR endDate IS NULL 
    ) 
    AND 
    (
      startDate <= :endDate 
      OR :endDate IS NULL 
    ) 
  )