SELECT
  AlternateName.firstForename,
  AlternateName.surname,
  Person.dateOfBirth,
  Person.gender,
  Person.personBirthName,
  Person.motherBirthSurname,
  Person.primaryAlternateID,
  Person.concernRoleID,
  ConcernRole.sensitivity,
  city.elementValue,
  addressLine1.elementValue
INTO
  :firstForename,
  :surname,
  :dateOfBirth,
  :gender,
  :personBirthName,
  :motherBirthSurname,
  :primaryAlternateID,
  :concernRoleID,
  :sensitivity,
  :city,
  :addressLine1 
FROM
  Person,
  ConcernRole,
  AlternateName,
  AddressElement city,
  AddressElement addressLine1 
WHERE 
  (
    :searchByFirstForename = '0' 
    OR AlternateName.upperFirstForename like :firstForename 
  ) 
  AND 
  (
    :searchBySurname = '0' 
    OR AlternateName.upperSurname like :surname 
  ) 
  AND ConcernRole.concernRoleID = Person.concernRoleID 
  AND AlternateName.concernRoleID = Person.concernRoleID 
  AND addressLine1.addressID = ConcernRole.primaryAddressID 
  AND addressLine1.elementType = :addressLine1Type 
  AND city.addressID = ConcernRole.primaryAddressID 
  AND city.elementType = :cityType 
  AND 
  (
    :searchByAddressLine1 = '0' 
    OR addressLine1.upperElementValue like :addressLine1 
  ) 
  AND 
  (
    :searchByCity = '0' 
    OR city.upperElementValue like :city 
  ) 
  AND 
  (
    :searchByGender = '0' 
    OR Person.gender = :gender 
  ) 
  AND 
  (
    :searchByDateOfBirth = '0' 
    OR Person.dateOfBirth = :dateOfBirth 
  ) 
  AND 
  (
    :searchByPersonBirthName = '0' 
    OR Person.upperPersonBirthName like :personBirthname 
  ) 
  AND 
  (
    :searchByMotherBirthName = '0' 
    OR Person.upperMotherBirthSurname like :motherBirthSurname 
  )