Hy
  
  I want to sum quantites but there is some data that value is negative  but 
users didn't write the - sign before. I can decide which datas are  negative.
  
  I would like something like that 
  
  select sum(moved_quantities) from db
  if moving like 'Move-' then sum seem the move is negative
  else move value is positive
  
  Is it possible?
  
  Joe
  
  

                
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